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How to Install ROS Noetic on Ubuntu 20.04

Here you will learn how to install ROS Noetic on Ubuntu 20.04. Specifically, you will learn how to set up the official ROS repo, add official ROS keyring to get authentic ROS packages, and set up ROS environment.

ROS Noetic & Ubuntu 20.04

Robot Operating System (ROS or in lowercase ros) is the most widely used framework to program robots, more than 50% robots run on ROS. Targeted to Ubuntu 20.04, ROS Noetic Ninjemys is the latest and 13th ROS LTS distribution. It also marks the last ROS 1 release; ROS 2 will become the new normal. It was released on May 23, 2020 and supported until May 2025. The last release was ROS Melodic and will reach end of support in May 2023. The architecture ROS Noetic supported are amd64, armhf, and arm64. Most of our computers will be running on the amd64 architecture, so we should be fine.

Ubuntu 20.04 is the latest Ubuntu LTS and has code name Focal Fossa. It has been released in April 2020 and is supported for 5 years until April 2025 (standard support). For ROS users, Ubuntu 20.04 features Python 3 and if you are using ROS Noetic, you will need to fix the errors and warnings.

Before Installing ROS Noetic

You should have Ubuntu 20.04 installed on your machine. Otherwise, you can still use Docker for ROS Noetic installation. If you cannot upgrade to 20.04 or install 20.04, which means you are stuck with 18.04 unfortunately, we recommend you continue using or installing ROS Melodic.

You should also have root access in order to install Noetic system wide. Installing just for one normal non-root account is not supported.

Step 1 — Set up ROS Noetic repo for Ubuntu 20.04

To install Noetic on Ubuntu 20.04, first we will need to add the official ROS Noetic repo to sources.list. Instead of adding directly to /etc/apt/sources.list, we will create a new list file ros-noetic.list. Note that this is different from the official wiki article as ros-latest.list won’t stay true if there is a new release of ROS.

echo "deb http://packages.ros.org/ros/ubuntu focal main" | sudo tee /etc/apt/sources.list.d/ros-focal.list

After running the command above, you will see the output: deb http://packages.ros.org/ros/ubuntu focal main.

Setting up ROS Noetic repo on Ubuntu 20.04

Step 2 — Add official ROS keyring

Next, we will need to add the ROS Noetic keyring to get authenticated ROS packages to install on your Ubuntu 20.04 system and avoid man-in-middle attack. There are two ways to add the official key, and you can choose any of them. Choose the first one if you are in doubt.

The first is to use apt-key to add the key to be downloaded from Ubuntu key server. Note that if this does not work, you can also try to replace hkp://keyserver.ubuntu.com:80 with hkp://pgp.mit.edu:80.

sudo apt-key adv --keyserver 'hkp://keyserver.ubuntu.com:80' --recv-key C1CF6E31E6BADE8868B172B4F42ED6FBAB17C654

If you see the following output starting with executing, it means the key is successfully added. As you can see, the key is issued by Open Robotics, which is the maintainer of ROS. Another detail is that apt-key downloads the key to the directory tmp and the key will be removed automatically.

Executing: /tmp/apt-key-gpghome.mdMVphTCAR/gpg.1.sh --keyserver hkp://keyserver.ubuntu.com:80 --recv-key C1CF6E31E6BADE8868B172B4F42ED6FBAB17C654
gpg: key F42ED6FBAB17C654: public key "Open Robotics info@osrfoundation.org" imported
gpg: Total number processed: 1
gpg: imported: 1
adding ROS Noetic repo key on Ubuntu 20.04

The second way is to use curl to download the official ROS key and add it locally. This is preferred if you are trying to install Noetic on a computer that has no internet access, or you are behind a proxy server.

curl -sSL 'http://keyserver.ubuntu.com/pks/lookup?op=get&search=0xC1CF6E31E6BADE8868B172B4F42ED6FBAB17C654' | sudo apt-key add -

If you see output “OK”, the key is successfully added.

alternative way to add ros noetic repo key using curl on Ubuntu 20.04

Step 3 — Update ROS package index

Next, we will need to get the ROS Noetic package information from the repository we just added using apt update.

sudo apt update

You will see output like the following, especially the text in bold:

Hit:1 http://security.ubuntu.com/ubuntu focal-security InRelease
Hit:2 http://dl.google.com/linux/chrome/deb stable InRelease
Hit:3 http://packages.ros.org/ros/ubuntu focal InRelease
Hit:4 http://archive.ubuntu.com/ubuntu focal InRelease
Hit:5 https://download.docker.com/linux/ubuntu bionic InRelease
Hit:6 http://archive.ubuntu.com/ubuntu focal-updates InRelease
Hit:7 http://archive.ubuntu.com/ubuntu focal-backports InRelease
Reading package lists… Done
Building dependency tree
Reading state information… Done
48 packages can be upgraded. Run 'apt list --upgradable' to see them.
running sudo apt update to update ros noetic repo index on Ubuntu 20.04

Step 4 — Install ROS Noetic package

Now we are ready to install Noetic on Ubuntu 20.04 after all the preparation work. Like Ubuntu’s ubuntu-dektop, ubuntu-desktop-mini packages, ROS comes with metapackages for you to install.

The four officially documented ROS Noetic metapackages are:

  • ros-noetic-desktop-full
  • ros-noetic-desktop
  • ros-noetic-ros-base
  • ros-noetic-ros-core

In most cases, you will want to install ros-noetic-desktop-full for full ROS experience.

If you installed the Ubuntu desktop version, you would want to install ros-noetic-desktop-full with all the desktop packages. This metapackage is what we run here. But occasionally, if you are installing on a robot that does not have to have any GUI, you want to install ros-noetic-ros-base to save some space and avoid some ROS packages using your CPU and memory resources. In the following, I will explain each ROS metapackage.

Install ros-noetic-desktop-full

The package ros-noetic-desktop-full includes all the packages in ros-noetic-desktop and also the perception (ros-noetic-perception) and simulation (ros-noetic-simulators) packages.

To install ros-noetic-desktop-full, run

sudo apt install ros-noetic-desktop-full

After you run the command above, you will see the following output. As you can see, 992 new packages will be installed and takes 2.7 GB space. I paste the output after the screenshot just for your reference.

Press Y and enter or simply press enter to continue installing. As this desktop-full metapackage depends on a lot of other messages, this whole installation will take about 10 minutes.

Installing ROS Noetic desktop full on Ubuntu 20.04
vh@varhowto-com:~$ sudo apt install ros-noetic-desktop-full
Reading package lists… Done
Building dependency tree
Reading state information… Done
The following additional packages will be installed:
autoconf automake autopoint autotools-dev blt bzip2-doc
cmake cmake-data comerr-dev cpp-8 cython3 debhelper
default-libmysqlclient-dev dh-autoreconf
dh-strip-nondeterminism docutils-common dwz fltk1.3-doc
fluid fonts-lato fonts-lyx freeglut3 freeglut3-dev
gazebo11 gazebo11-common gazebo11-plugin-base gcc-8
gcc-8-base gdal-data gettext gfortran gfortran-8
gfortran-9 gir1.2-gtk-2.0 gir1.2-harfbuzz-0.0
google-mock googletest graphviz hddtemp hdf5-helpers
ibverbs-providers icu-devtools ignition-tools
intltool-debian javascript-common krb5-multidev
libaec-dev libaec0 libann0 libapr1 libapr1-dev
libaprutil1 libaprutil1-dev libarchive-cpio-perl
libarchive-zip-perl libarmadillo-dev libarmadillo9
libarpack2 libarpack2-dev libassimp-dev libassimp5
libassuan-dev libatk-bridge2.0-dev libatk1.0-dev
libatspi2.0-dev libavcodec-dev libavdevice-dev
libavdevice58 libavfilter-dev libavformat-dev
libavresample-dev libavresample4 libavutil-dev
libblas-dev libblas3 libblkid-dev libboost-all-dev
libboost-atomic-dev libboost-atomic1.71-dev
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libboost-math-dev libboost-math1.71-dev
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libboost-mpi1.71.0 libboost-numpy-dev
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libboost-program-options-dev
libboost-program-options1.71-dev
libboost-program-options1.71.0 libboost-python-dev
libboost-python1.71-dev libboost-python1.71.0
libboost-random-dev libboost-random1.71-dev
libboost-random1.71.0 libboost-regex-dev
libboost-regex1.71-dev libboost-regex1.71.0
libboost-serialization-dev
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libboost-serialization1.71.0 libboost-stacktrace-dev
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libboost-system-dev libboost-system1.71-dev
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libboost-test1.71-dev libboost-test1.71.0
libboost-thread-dev libboost-thread1.71-dev
libboost-timer-dev libboost-timer1.71-dev
libboost-timer1.71.0 libboost-tools-dev
libboost-type-erasure-dev libboost-type-erasure1.71-dev
libboost-type-erasure1.71.0 libboost-wave-dev
libboost-wave1.71-dev libboost-wave1.71.0
libboost1.71-dev libboost1.71-tools-dev libbullet-dev
libbullet2.88 libbz2-dev libcaf-openmpi-3
libcairo-script-interpreter2 libcairo2-dev libcdt5
libcfitsio-dev libcfitsio-doc libcfitsio8 libcgraph6
libcharls-dev libcharls2 libclang1-10 libcoarrays-dev
libcoarrays-openmpi-dev libconsole-bridge-dev
libconsole-bridge0.4 libcroco3 libcurl4-openssl-dev
libdap-dev libdap25 libdapclient6v5 libdapserver7v5
libdatrie-dev libdbus-1-dev libdc1394-22
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odbcinst1debian2 opencv-data openmpi-bin openmpi-common
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proj-data protobuf-compiler pyqt5-dev
python-matplotlib-data python3-autobahn
python3-catkin-pkg python3-catkin-pkg-modules
python3-cbor python3-cycler python3-defusedxml
python3-dev python3-distutils python3-docutils
python3-empy python3-gnupg python3-kiwisolver
python3-lz4 python3-matplotlib python3-mpi4py
python3-nose python3-numpy python3-opencv python3-opengl
python3-png python3-psutil python3-pycryptodome
python3-pydot python3-pygments python3-pykdl
python3-pyparsing python3-pyqrcode python3-pyqt5
python3-pyqt5.qtopengl python3-pyqt5.qtsvg
python3-pyqt5.qtwebkit python3-pyside2.qtcore
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python3-pyside2.qtwidgets python3-roman
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python3-rosdistro-modules python3-rospkg
python3-rospkg-modules python3-setuptools python3-sip
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qtchooser qtdeclarative5-dev qtdeclarative5-dev-tools
qttools5-dev qttools5-dev-tools qttools5-private-dev
qttranslations5-l10n rake ros-noetic-actionlib
ros-noetic-actionlib-msgs ros-noetic-actionlib-tutorials
ros-noetic-angles ros-noetic-bond ros-noetic-bond-core
ros-noetic-bondcpp ros-noetic-bondpy
ros-noetic-camera-calibration
ros-noetic-camera-calibration-parsers
ros-noetic-camera-info-manager ros-noetic-catkin
ros-noetic-class-loader ros-noetic-cmake-modules
ros-noetic-common-msgs ros-noetic-common-tutorials
ros-noetic-compressed-depth-image-transport
ros-noetic-compressed-image-transport
ros-noetic-control-msgs ros-noetic-control-toolbox
ros-noetic-controller-interface
ros-noetic-controller-manager
ros-noetic-controller-manager-msgs ros-noetic-cpp-common
ros-noetic-cv-bridge ros-noetic-depth-image-proc
ros-noetic-desktop ros-noetic-diagnostic-aggregator
ros-noetic-diagnostic-analysis
ros-noetic-diagnostic-common-diagnostics
ros-noetic-diagnostic-msgs ros-noetic-diagnostic-updater
ros-noetic-diagnostics ros-noetic-diff-drive-controller
ros-noetic-dynamic-reconfigure
ros-noetic-eigen-conversions ros-noetic-executive-smach
ros-noetic-filters ros-noetic-forward-command-controller
ros-noetic-gazebo-dev ros-noetic-gazebo-msgs
ros-noetic-gazebo-plugins ros-noetic-gazebo-ros
ros-noetic-gazebo-ros-control ros-noetic-gazebo-ros-pkgs
ros-noetic-gencpp ros-noetic-geneus ros-noetic-genlisp
ros-noetic-genmsg ros-noetic-gennodejs ros-noetic-genpy
ros-noetic-geometry ros-noetic-geometry-msgs
ros-noetic-geometry-tutorials ros-noetic-gl-dependency
ros-noetic-hardware-interface ros-noetic-image-common
ros-noetic-image-geometry ros-noetic-image-pipeline
ros-noetic-image-proc ros-noetic-image-publisher
ros-noetic-image-rotate ros-noetic-image-transport
ros-noetic-image-transport-plugins ros-noetic-image-view
ros-noetic-interactive-marker-tutorials
ros-noetic-interactive-markers
ros-noetic-joint-limits-interface
ros-noetic-joint-state-controller
ros-noetic-joint-state-publisher
ros-noetic-joint-state-publisher-gui
ros-noetic-kdl-conversions ros-noetic-kdl-parser
ros-noetic-laser-assembler ros-noetic-laser-filters
ros-noetic-laser-geometry ros-noetic-laser-pipeline
ros-noetic-librviz-tutorial ros-noetic-map-msgs
ros-noetic-media-export ros-noetic-message-filters
ros-noetic-message-generation ros-noetic-message-runtime
ros-noetic-mk ros-noetic-nav-msgs ros-noetic-nodelet
ros-noetic-nodelet-core ros-noetic-nodelet-topic-tools
ros-noetic-nodelet-tutorial-math
ros-noetic-pcl-conversions ros-noetic-pcl-msgs
ros-noetic-pcl-ros ros-noetic-perception
ros-noetic-perception-pcl ros-noetic-pluginlib
ros-noetic-pluginlib-tutorials ros-noetic-polled-camera
ros-noetic-position-controllers
ros-noetic-python-qt-binding ros-noetic-qt-dotgraph
ros-noetic-qt-gui ros-noetic-qt-gui-cpp
ros-noetic-qt-gui-py-common ros-noetic-qwt-dependency
ros-noetic-realtime-tools ros-noetic-resource-retriever
ros-noetic-robot ros-noetic-robot-state-publisher
ros-noetic-ros ros-noetic-ros-base ros-noetic-ros-comm
ros-noetic-ros-core ros-noetic-ros-environment
ros-noetic-ros-tutorials ros-noetic-rosbag
ros-noetic-rosbag-migration-rule
ros-noetic-rosbag-storage ros-noetic-rosbash
ros-noetic-rosboost-cfg ros-noetic-rosbuild
ros-noetic-rosclean ros-noetic-rosconsole
ros-noetic-rosconsole-bridge ros-noetic-roscpp
ros-noetic-roscpp-core ros-noetic-roscpp-serialization
ros-noetic-roscpp-traits ros-noetic-roscpp-tutorials
ros-noetic-roscreate ros-noetic-rosgraph
ros-noetic-rosgraph-msgs ros-noetic-roslang
ros-noetic-roslaunch ros-noetic-roslib
ros-noetic-roslint ros-noetic-roslisp ros-noetic-roslz4
ros-noetic-rosmake ros-noetic-rosmaster
ros-noetic-rosmsg ros-noetic-rosnode ros-noetic-rosout
ros-noetic-rospack ros-noetic-rosparam ros-noetic-rospy
ros-noetic-rospy-tutorials ros-noetic-rosservice
ros-noetic-rostest ros-noetic-rostime
ros-noetic-rostopic ros-noetic-rosunit ros-noetic-roswtf
ros-noetic-rqt-action ros-noetic-rqt-bag
ros-noetic-rqt-bag-plugins ros-noetic-rqt-common-plugins
ros-noetic-rqt-console ros-noetic-rqt-dep
ros-noetic-rqt-graph ros-noetic-rqt-gui
ros-noetic-rqt-gui-cpp ros-noetic-rqt-gui-py
ros-noetic-rqt-image-view ros-noetic-rqt-launch
ros-noetic-rqt-logger-level ros-noetic-rqt-moveit
ros-noetic-rqt-msg ros-noetic-rqt-nav-view
ros-noetic-rqt-plot ros-noetic-rqt-pose-view
ros-noetic-rqt-publisher ros-noetic-rqt-py-common
ros-noetic-rqt-py-console ros-noetic-rqt-reconfigure
ros-noetic-rqt-robot-dashboard
ros-noetic-rqt-robot-monitor
ros-noetic-rqt-robot-plugins
ros-noetic-rqt-robot-steering
ros-noetic-rqt-runtime-monitor ros-noetic-rqt-rviz
ros-noetic-rqt-service-caller ros-noetic-rqt-shell
ros-noetic-rqt-srv ros-noetic-rqt-tf-tree
ros-noetic-rqt-top ros-noetic-rqt-topic
ros-noetic-rqt-web ros-noetic-rviz
ros-noetic-rviz-plugin-tutorials
ros-noetic-rviz-python-tutorial ros-noetic-self-test
ros-noetic-sensor-msgs ros-noetic-shape-msgs
ros-noetic-simulators ros-noetic-smach
ros-noetic-smach-msgs ros-noetic-smach-ros
ros-noetic-smclib ros-noetic-stage ros-noetic-stage-ros
ros-noetic-std-msgs ros-noetic-std-srvs
ros-noetic-stereo-image-proc ros-noetic-stereo-msgs
ros-noetic-tf ros-noetic-tf-conversions ros-noetic-tf2
ros-noetic-tf2-eigen ros-noetic-tf2-geometry-msgs
ros-noetic-tf2-kdl ros-noetic-tf2-msgs ros-noetic-tf2-py
ros-noetic-tf2-ros ros-noetic-theora-image-transport
ros-noetic-topic-tools ros-noetic-trajectory-msgs
ros-noetic-transmission-interface
ros-noetic-turtle-actionlib ros-noetic-turtle-tf
ros-noetic-turtle-tf2 ros-noetic-turtlesim
ros-noetic-urdf ros-noetic-urdf-parser-plugin
ros-noetic-urdf-sim-tutorial ros-noetic-urdf-tutorial
ros-noetic-vision-opencv
ros-noetic-visualization-marker-tutorials
ros-noetic-visualization-msgs
ros-noetic-visualization-tutorials ros-noetic-viz
ros-noetic-webkit-dependency ros-noetic-xacro
ros-noetic-xmlrpcpp ruby ruby-minitest ruby-net-telnet
ruby-power-assert ruby-test-unit ruby-xmlrpc ruby2.7
rubygems-integration sbcl sdformat9-sdf shiboken2
sip-dev tango-icon-theme tcl tcl-dev tcl-vtk7 tcl8.6
tcl8.6-dev tk tk-dev tk8.6 tk8.6-blt2.5 tk8.6-dev
ttf-bitstream-vera ttf-dejavu-core unixodbc-dev uuid-dev
vtk7 wayland-protocols x11proto-core-dev x11proto-dev
x11proto-input-dev x11proto-randr-dev
x11proto-record-dev x11proto-scrnsaver-dev
x11proto-xext-dev x11proto-xinerama-dev
xorg-sgml-doctools xtrans-dev
Suggested packages:
autoconf-archive gnu-standards autoconf-doc blt-demo
cmake-doc ninja-build doc-base gcc-8-locales cython-doc
dh-make gazebo11-doc gcc-8-multilib gcc-8-doc
gettext-doc libasprintf-dev libgettextpo-dev
gfortran-multilib gfortran-doc gfortran-8-multilib
gfortran-8-doc gfortran-9-multilib gfortran-9-doc
gsfonts graphviz-doc apache2 | lighttpd | httpd krb5-doc
python libitpp-dev liblapack-doc libboost-doc
libboost1.71-doc gccxml libboost-contract1.71-dev
libmpfrc++-dev libntl-dev xsltproc doxygen docbook-xsl
default-jdk fop libcairo2-doc libcurl4-doc libidn11-dev
librtmp-dev libssh2-1-dev libdatrie-doc libeigen3-doc
freetype2-doc libgdal-doc libgeotiff-epsg geotiff-bin
gdal-bin glew-utils libgirepository1.0-dev
libglib2.0-doc libgraphite2-utils krb5-user libgtk-3-doc
libgtk2.0-doc libgts-doc libhdf4-doc hdf4-tools
libhdf5-doc libhwloc-contrib-plugins libice-doc icu-doc
libjs-jquery-ui-docs liblog4cxx-doc libtool-doc
liblzma-doc netcdf-bin netcdf-doc libnorm-doc libmyodbc
odbc-postgresql tdsodbc unixodbc-bin ogdi-bin
ogre-1.9-doc libogre-1.9.0v5-dbg libportaudio2
opencv-doc openmpi-doc openni-doc openni2-doc
imagemagick libpango1.0-doc libpcl-doc postgresql-doc-12
qt5-image-formats-plugins qtwayland5 libraw1394-doc
lksctp-tools libsm-doc sndiod spacenavd sqlite3-doc
libsuperlu-doc libtbb-doc libthai-doc libtinyxml-doc
gcj-jdk vtk7-doc vtk7-examples java-virtual-machine
libwayland-doc libx11-doc libxcb-doc libxerces-c-doc
libxext-doc libxt-doc libyaml-doc m4-doc
libmail-box-perl python-cycler-doc docutils-doc
fonts-linuxlibertine | ttf-linux-libertine
texlive-lang-french texlive-latex-base
texlive-latex-recommended dvipng ffmpeg inkscape
ipython3 python-matplotlib-doc python3-cairocffi
python3-gobject python3-scipy python3-tornado
texlive-extra-utils texlive-latex-extra ttf-staypuft
python-nose-doc python-numpy-doc python3-pytest
python3-numpy-dbg libgle3 python-psutil-doc
python-pygments-doc python-pyparsing-doc
python3-pyqt5-dbg python-pyside2-doc
python-setuptools-doc python-sip-doc tix python3-tk-dbg
python-trie-doc python-txaio-doc mayavi2 qt5-doc
firebird-dev ri ruby-dev bundler sbcl-doc sbcl-source
slime gnome-icon-theme kdelibs-data tcl-doc
tcl-tclreadline tcl8.6-doc tk-doc tk8.6-doc
The following NEW packages will be installed:
autoconf automake autopoint autotools-dev blt bzip2-doc
cmake cmake-data comerr-dev cpp-8 cython3 debhelper
default-libmysqlclient-dev dh-autoreconf
dh-strip-nondeterminism docutils-common dwz fltk1.3-doc
fluid fonts-lato fonts-lyx freeglut3 freeglut3-dev
gazebo11 gazebo11-common gazebo11-plugin-base gcc-8
gcc-8-base gdal-data gettext gfortran gfortran-8
gfortran-9 gir1.2-gtk-2.0 gir1.2-harfbuzz-0.0
google-mock googletest graphviz hddtemp hdf5-helpers
ibverbs-providers icu-devtools ignition-tools
intltool-debian javascript-common krb5-multidev
libaec-dev libaec0 libann0 libapr1 libapr1-dev
libaprutil1 libaprutil1-dev libarchive-cpio-perl
libarchive-zip-perl libarmadillo-dev libarmadillo9
libarpack2 libarpack2-dev libassimp-dev libassimp5
libassuan-dev libatk-bridge2.0-dev libatk1.0-dev
libatspi2.0-dev libavcodec-dev libavdevice-dev
libavdevice58 libavfilter-dev libavformat-dev
libavresample-dev libavresample4 libavutil-dev
libblas-dev libblas3 libblkid-dev libboost-all-dev
libboost-atomic-dev libboost-atomic1.71-dev
libboost-atomic1.71.0 libboost-chrono-dev
libboost-chrono1.71-dev libboost-chrono1.71.0
libboost-container-dev libboost-container1.71-dev
libboost-container1.71.0 libboost-context-dev
libboost-context1.71-dev libboost-context1.71.0
libboost-coroutine-dev libboost-coroutine1.71-dev
libboost-coroutine1.71.0 libboost-date-time-dev
libboost-date-time1.71-dev libboost-dev
libboost-exception-dev libboost-exception1.71-dev
libboost-fiber-dev libboost-fiber1.71-dev
libboost-fiber1.71.0 libboost-filesystem-dev
libboost-filesystem1.71-dev libboost-graph-dev
libboost-graph-parallel-dev
libboost-graph-parallel1.71-dev
libboost-graph-parallel1.71.0 libboost-graph1.71-dev
libboost-graph1.71.0 libboost-iostreams-dev
libboost-iostreams1.71-dev libboost-locale-dev
libboost-locale1.71-dev libboost-log-dev
libboost-log1.71-dev libboost-log1.71.0
libboost-math-dev libboost-math1.71-dev
libboost-math1.71.0 libboost-mpi-dev
libboost-mpi-python-dev libboost-mpi-python1.71-dev
libboost-mpi-python1.71.0 libboost-mpi1.71-dev
libboost-mpi1.71.0 libboost-numpy-dev
libboost-numpy1.71-dev libboost-numpy1.71.0
libboost-program-options-dev
libboost-program-options1.71-dev
libboost-program-options1.71.0 libboost-python-dev
libboost-python1.71-dev libboost-python1.71.0
libboost-random-dev libboost-random1.71-dev
libboost-random1.71.0 libboost-regex-dev
libboost-regex1.71-dev libboost-regex1.71.0
libboost-serialization-dev
libboost-serialization1.71-dev
libboost-serialization1.71.0 libboost-stacktrace-dev
libboost-stacktrace1.71-dev libboost-stacktrace1.71.0
libboost-system-dev libboost-system1.71-dev
libboost-system1.71.0 libboost-test-dev
libboost-test1.71-dev libboost-test1.71.0
libboost-thread-dev libboost-thread1.71-dev
libboost-timer-dev libboost-timer1.71-dev
libboost-timer1.71.0 libboost-tools-dev
libboost-type-erasure-dev libboost-type-erasure1.71-dev
libboost-type-erasure1.71.0 libboost-wave-dev
libboost-wave1.71-dev libboost-wave1.71.0
libboost1.71-dev libboost1.71-tools-dev libbullet-dev
libbullet2.88 libbz2-dev libcaf-openmpi-3
libcairo-script-interpreter2 libcairo2-dev libcdt5
libcfitsio-dev libcfitsio-doc libcfitsio8 libcgraph6
libcharls-dev libcharls2 libclang1-10 libcoarrays-dev
libcoarrays-openmpi-dev libconsole-bridge-dev
libconsole-bridge0.4 libcroco3 libcurl4-openssl-dev
libdap-dev libdap25 libdapclient6v5 libdapserver7v5
libdatrie-dev libdbus-1-dev libdc1394-22
libdc1394-22-dev libdebhelper-perl libdouble-conversion3
libegl-dev libegl1-mesa-dev libeigen3-dev libepoxy-dev
libepsilon-dev libepsilon1 libevent-core-2.1-7
libevent-dev libevent-extra-2.1-7 libevent-openssl-2.1-7
libevent-pthreads-2.1-7 libexif-dev libexif-doc
libexpat1-dev libfabric1 libffi-dev
libfile-stripnondeterminism-perl libflann-dev
libflann1.9 libfltk-cairo1.3 libfltk-forms1.3
libfltk-gl1.3 libfltk-images1.3 libfltk1.3
libfltk1.3-dev libfontconfig1-dev libfreeimage-dev
libfreeimage3 libfreetype-dev libfreetype6-dev
libfreexl-dev libfreexl1 libfribidi-dev libfyba-dev
libfyba0 libgazebo11 libgazebo11-dev libgcc-8-dev
libgdal-dev libgdal26 libgdcm-dev libgdcm3.0
libgdk-pixbuf2.0-dev libgeos-3.8.0 libgeos-c1v5
libgeos-dev libgeotiff-dev libgeotiff5 libgfortran-8-dev
libgfortran-9-dev libgfortran5 libgif-dev libgl-dev
libgl1-mesa-dev libgl2ps-dev libgl2ps1.4 libgles-dev
libgles1 libglew-dev libglew2.1 libglib2.0-dev
libglib2.0-dev-bin libglu1-mesa-dev libglvnd-dev
libglx-dev libgpg-error-dev libgpgme-dev libgphoto2-dev
libgraphite2-dev libgssrpc4 libgtest-dev libgtk-3-dev
libgtk2.0-dev libgts-0.7-5 libgts-bin libgts-dev libgvc6
libgvpr2 libharfbuzz-dev libharfbuzz-gobject0
libhdf4-0-alt libhdf4-alt-dev libhdf5-103
libhdf5-cpp-103 libhdf5-dev libhdf5-mpi-dev
libhdf5-openmpi-103 libhdf5-openmpi-dev libhwloc-dev
libhwloc-plugins libhwloc15 libibverbs-dev libibverbs1
libice-dev libicu-dev libignition-cmake2-dev
libignition-common3 libignition-common3-av
libignition-common3-av-dev libignition-common3-core-dev
libignition-common3-dev libignition-common3-events
libignition-common3-events-dev
libignition-common3-graphics
libignition-common3-graphics-dev
libignition-common3-profiler
libignition-common3-profiler-dev libignition-fuel-tools4
libignition-fuel-tools4-dev libignition-math6
libignition-math6-dev libignition-msgs5
libignition-msgs5-dev libignition-tools-dev
libignition-transport8 libignition-transport8-core-dev
libignition-transport8-dev libignition-transport8-log
libignition-transport8-log-dev libilmbase-dev
libilmbase24 libjbig-dev libjpeg-dev libjpeg-turbo8-dev
libjpeg8-dev libjs-jquery libjs-jquery-ui libjson-c-dev
libjsoncpp-dev libjsoncpp1 libjxr0 libkadm5clnt-mit11
libkadm5srv-mit11 libkdb5-9 libkml-dev libkmlbase1
libkmlconvenience1 libkmldom1 libkmlengine1
libkmlregionator1 libkmlxsd1 libkrb5-dev liblab-gamut1
liblapack-dev liblapack3 libldap2-dev liblept5 libllvm10
liblog4cxx-dev liblog4cxx10v5 libltdl-dev liblz4-dev
liblzma-dev libmail-sendmail-perl libminizip-dev
libminizip1 libmount-dev libmpx2 libmysqlclient-dev
libnetcdf-c++4 libnetcdf-cxx-legacy-dev libnetcdf-dev
libnetcdf15 libnl-3-dev libnl-route-3-dev libnorm-dev
libnuma-dev libodbc1 libogdi-dev libogdi4.1 libogg-dev
libogre-1.9-dev libogre-1.9.0v5 libopenal-data
libopenal1 libopencv-calib3d-dev libopencv-calib3d4.2
libopencv-contrib-dev libopencv-contrib4.2
libopencv-core-dev libopencv-core4.2 libopencv-dev
libopencv-dnn-dev libopencv-dnn4.2
libopencv-features2d-dev libopencv-features2d4.2
libopencv-flann-dev libopencv-flann4.2
libopencv-highgui-dev libopencv-highgui4.2
libopencv-imgcodecs-dev libopencv-imgcodecs4.2
libopencv-imgproc-dev libopencv-imgproc4.2
libopencv-ml-dev libopencv-ml4.2 libopencv-objdetect-dev
libopencv-objdetect4.2 libopencv-photo-dev
libopencv-photo4.2 libopencv-shape-dev
libopencv-shape4.2 libopencv-stitching-dev
libopencv-stitching4.2 libopencv-superres-dev
libopencv-superres4.2 libopencv-ts-dev
libopencv-video-dev libopencv-video4.2
libopencv-videoio-dev libopencv-videoio4.2
libopencv-videostab-dev libopencv-videostab4.2
libopencv-viz-dev libopencv-viz4.2 libopencv4.2-java
libopencv4.2-jni libopenexr-dev libopenexr24
libopengl-dev libopengl0 libopenjp2-7-dev libopenmpi-dev
libopenmpi3 libopenni-dev libopenni-sensor-pointclouds0
libopenni0 libopenni2-0 libopenni2-dev liborocos-kdl-dev
liborocos-kdl1.4 libpango1.0-dev libpathplan4
libpcl-apps1.10 libpcl-common1.10 libpcl-dev
libpcl-features1.10 libpcl-filters1.10 libpcl-io1.10
libpcl-kdtree1.10 libpcl-keypoints1.10 libpcl-ml1.10
libpcl-octree1.10 libpcl-outofcore1.10 libpcl-people1.10
libpcl-recognition1.10 libpcl-registration1.10
libpcl-sample-consensus1.10 libpcl-search1.10
libpcl-segmentation1.10 libpcl-stereo1.10
libpcl-surface1.10 libpcl-tracking1.10
libpcl-visualization1.10 libpcre16-3 libpcre2-16-0
libpcre2-dev libpcre2-posix2 libpcre3-dev libpcre32-3
libpcrecpp0v5 libpgm-dev libpixman-1-dev libpmix2
libpng-dev libpng-tools libpoco-dev libpococrypto62
libpocodata62 libpocodatamysql62 libpocodataodbc62
libpocodatasqlite62 libpocoencodings62
libpocofoundation62 libpocojson62 libpocomongodb62
libpoconet62 libpoconetssl62 libpocoredis62
libpocoutil62 libpocoxml62 libpocozip62 libpoppler-dev
libpoppler-private-dev libpostproc-dev libpq-dev libpq5
libproj-dev libproj15 libprotobuf-dev libprotobuf-lite17
libprotoc-dev libprotoc17 libpsm-infinipath1 libpsm2-2
libpthread-stubs0-dev libpyside2-dev libpyside2-py3-5.14
libpython3-dev libpython3.8-dev libqhull-dev libqhull-r7
libqhull7 libqt5concurrent5 libqt5core5a libqt5dbus5
libqt5designer5 libqt5designercomponents5 libqt5gui5
libqt5help5 libqt5network5 libqt5opengl5
libqt5opengl5-dev libqt5positioning5 libqt5printsupport5
libqt5qml5 libqt5quick5 libqt5quickparticles5
libqt5quickshapes5 libqt5quicktest5 libqt5quickwidgets5
libqt5sensors5 libqt5sql5 libqt5sql5-sqlite libqt5svg5
libqt5test5 libqt5webchannel5 libqt5webkit5
libqt5webkit5-dev libqt5widgets5 libqt5x11extras5
libqt5xml5 libqwt-qt5-6 libqwt-qt5-dev libraw1394-dev
libraw1394-tools librdmacm1 librhash0 libruby2.7
libsctp-dev libsctp1 libsdformat9 libsdformat9-dev
libsdl2-2.0-0 libselinux1-dev libsepol1-dev
libshiboken2-dev libshiboken2-py3-5.14 libsimbody-dev
libsimbody3.6 libsm-dev libsndio7.0 libsocket++1
libsodium-dev libspatialite-dev libspatialite7 libspnav0
libsqlite3-dev libsub-override-perl libsuperlu-dev
libsuperlu5 libswresample-dev libswscale-dev
libsys-hostname-long-perl libsz2 libtar-dev libtar0
libtbb-dev libtbb2 libtcl8.6 libtesseract4 libthai-dev
libtheora-dev libtiff-dev libtiffxx5 libtinyxml-dev
libtinyxml2-dev libtinyxml2.6.2v5 libtk8.6 libtool
liburdfdom-dev liburdfdom-headers-dev liburdfdom-model
liburdfdom-model-state liburdfdom-sensor
liburdfdom-world liburiparser-dev liburiparser1
libusb-1.0-0-dev libusb-1.0-doc libvtk6.3 libvtk7-dev
libvtk7-java libvtk7-jni libvtk7-qt-dev libvtk7.1p
libvtk7.1p-qt libvulkan-dev libwayland-bin
libwayland-dev libwebp-dev libx11-dev libxau-dev
libxcb-render0-dev libxcb-shm0-dev libxcb-xinerama0
libxcb-xinput0 libxcb1-dev libxcomposite-dev
libxcursor-dev libxdamage-dev libxdmcp-dev
libxerces-c-dev libxerces-c3.2 libxext-dev libxfixes-dev
libxft-dev libxi-dev libxinerama-dev libxkbcommon-dev
libxml2-dev libxml2-utils libxmu-dev libxmu-headers
libxnvctrl0 libxrandr-dev libxrender-dev libxss-dev
libxt-dev libxtst-dev libyaml-cpp-dev libyaml-cpp0.6
libyaml-dev libzip-dev libzmq3-dev libzstd-dev
libzzip-0-13 m4 mpi-default-bin mpi-default-dev odbcinst
odbcinst1debian2 opencv-data openmpi-bin openmpi-common
openni-utils pango1.0-tools po-debconf proj-bin
proj-data protobuf-compiler pyqt5-dev
python-matplotlib-data python3-autobahn
python3-catkin-pkg python3-catkin-pkg-modules
python3-cbor python3-cycler python3-defusedxml
python3-dev python3-distutils python3-docutils
python3-empy python3-gnupg python3-kiwisolver
python3-lz4 python3-matplotlib python3-mpi4py
python3-nose python3-numpy python3-opencv python3-opengl
python3-png python3-psutil python3-pycryptodome
python3-pydot python3-pygments python3-pykdl
python3-pyparsing python3-pyqrcode python3-pyqt5
python3-pyqt5.qtopengl python3-pyqt5.qtsvg
python3-pyqt5.qtwebkit python3-pyside2.qtcore
python3-pyside2.qtgui python3-pyside2.qtsvg
python3-pyside2.qtwidgets python3-roman
python3-rosdep-modules python3-rosdistro
python3-rosdistro-modules python3-rospkg
python3-rospkg-modules python3-setuptools python3-sip
python3-sip-dev python3-snappy python3-tk python3-trie
python3-txaio python3-u-msgpack python3-ubjson
python3-vtk7 python3-wsaccel python3.8-dev qdoc-qt5
qhelpgenerator-qt5 qt5-assistant qt5-gtk-platformtheme
qt5-qmake qt5-qmake-bin qt5-qmltooling-plugins
qtattributionsscanner-qt5 qtbase5-dev qtbase5-dev-tools
qtchooser qtdeclarative5-dev qtdeclarative5-dev-tools
qttools5-dev qttools5-dev-tools qttools5-private-dev
qttranslations5-l10n rake ros-noetic-actionlib
ros-noetic-actionlib-msgs ros-noetic-actionlib-tutorials
ros-noetic-angles ros-noetic-bond ros-noetic-bond-core
ros-noetic-bondcpp ros-noetic-bondpy
ros-noetic-camera-calibration
ros-noetic-camera-calibration-parsers
ros-noetic-camera-info-manager ros-noetic-catkin
ros-noetic-class-loader ros-noetic-cmake-modules
ros-noetic-common-msgs ros-noetic-common-tutorials
ros-noetic-compressed-depth-image-transport
ros-noetic-compressed-image-transport
ros-noetic-control-msgs ros-noetic-control-toolbox
ros-noetic-controller-interface
ros-noetic-controller-manager
ros-noetic-controller-manager-msgs ros-noetic-cpp-common
ros-noetic-cv-bridge ros-noetic-depth-image-proc
ros-noetic-desktop ros-noetic-desktop-full
ros-noetic-diagnostic-aggregator
ros-noetic-diagnostic-analysis
ros-noetic-diagnostic-common-diagnostics
ros-noetic-diagnostic-msgs ros-noetic-diagnostic-updater
ros-noetic-diagnostics ros-noetic-diff-drive-controller
ros-noetic-dynamic-reconfigure
ros-noetic-eigen-conversions ros-noetic-executive-smach
ros-noetic-filters ros-noetic-forward-command-controller
ros-noetic-gazebo-dev ros-noetic-gazebo-msgs
ros-noetic-gazebo-plugins ros-noetic-gazebo-ros
ros-noetic-gazebo-ros-control ros-noetic-gazebo-ros-pkgs
ros-noetic-gencpp ros-noetic-geneus ros-noetic-genlisp
ros-noetic-genmsg ros-noetic-gennodejs ros-noetic-genpy
ros-noetic-geometry ros-noetic-geometry-msgs
ros-noetic-geometry-tutorials ros-noetic-gl-dependency
ros-noetic-hardware-interface ros-noetic-image-common
ros-noetic-image-geometry ros-noetic-image-pipeline
ros-noetic-image-proc ros-noetic-image-publisher
ros-noetic-image-rotate ros-noetic-image-transport
ros-noetic-image-transport-plugins ros-noetic-image-view
ros-noetic-interactive-marker-tutorials
ros-noetic-interactive-markers
ros-noetic-joint-limits-interface
ros-noetic-joint-state-controller
ros-noetic-joint-state-publisher
ros-noetic-joint-state-publisher-gui
ros-noetic-kdl-conversions ros-noetic-kdl-parser
ros-noetic-laser-assembler ros-noetic-laser-filters
ros-noetic-laser-geometry ros-noetic-laser-pipeline
ros-noetic-librviz-tutorial ros-noetic-map-msgs
ros-noetic-media-export ros-noetic-message-filters
ros-noetic-message-generation ros-noetic-message-runtime
ros-noetic-mk ros-noetic-nav-msgs ros-noetic-nodelet
ros-noetic-nodelet-core ros-noetic-nodelet-topic-tools
ros-noetic-nodelet-tutorial-math
ros-noetic-pcl-conversions ros-noetic-pcl-msgs
ros-noetic-pcl-ros ros-noetic-perception
ros-noetic-perception-pcl ros-noetic-pluginlib
ros-noetic-pluginlib-tutorials ros-noetic-polled-camera
ros-noetic-position-controllers
ros-noetic-python-qt-binding ros-noetic-qt-dotgraph
ros-noetic-qt-gui ros-noetic-qt-gui-cpp
ros-noetic-qt-gui-py-common ros-noetic-qwt-dependency
ros-noetic-realtime-tools ros-noetic-resource-retriever
ros-noetic-robot ros-noetic-robot-state-publisher
ros-noetic-ros ros-noetic-ros-base ros-noetic-ros-comm
ros-noetic-ros-core ros-noetic-ros-environment
ros-noetic-ros-tutorials ros-noetic-rosbag
ros-noetic-rosbag-migration-rule
ros-noetic-rosbag-storage ros-noetic-rosbash
ros-noetic-rosboost-cfg ros-noetic-rosbuild
ros-noetic-rosclean ros-noetic-rosconsole
ros-noetic-rosconsole-bridge ros-noetic-roscpp
ros-noetic-roscpp-core ros-noetic-roscpp-serialization
ros-noetic-roscpp-traits ros-noetic-roscpp-tutorials
ros-noetic-roscreate ros-noetic-rosgraph
ros-noetic-rosgraph-msgs ros-noetic-roslang
ros-noetic-roslaunch ros-noetic-roslib
ros-noetic-roslint ros-noetic-roslisp ros-noetic-roslz4
ros-noetic-rosmake ros-noetic-rosmaster
ros-noetic-rosmsg ros-noetic-rosnode ros-noetic-rosout
ros-noetic-rospack ros-noetic-rosparam ros-noetic-rospy
ros-noetic-rospy-tutorials ros-noetic-rosservice
ros-noetic-rostest ros-noetic-rostime
ros-noetic-rostopic ros-noetic-rosunit ros-noetic-roswtf
ros-noetic-rqt-action ros-noetic-rqt-bag
ros-noetic-rqt-bag-plugins ros-noetic-rqt-common-plugins
ros-noetic-rqt-console ros-noetic-rqt-dep
ros-noetic-rqt-graph ros-noetic-rqt-gui
ros-noetic-rqt-gui-cpp ros-noetic-rqt-gui-py
ros-noetic-rqt-image-view ros-noetic-rqt-launch
ros-noetic-rqt-logger-level ros-noetic-rqt-moveit
ros-noetic-rqt-msg ros-noetic-rqt-nav-view
ros-noetic-rqt-plot ros-noetic-rqt-pose-view
ros-noetic-rqt-publisher ros-noetic-rqt-py-common
ros-noetic-rqt-py-console ros-noetic-rqt-reconfigure
ros-noetic-rqt-robot-dashboard
ros-noetic-rqt-robot-monitor
ros-noetic-rqt-robot-plugins
ros-noetic-rqt-robot-steering
ros-noetic-rqt-runtime-monitor ros-noetic-rqt-rviz
ros-noetic-rqt-service-caller ros-noetic-rqt-shell
ros-noetic-rqt-srv ros-noetic-rqt-tf-tree
ros-noetic-rqt-top ros-noetic-rqt-topic
ros-noetic-rqt-web ros-noetic-rviz
ros-noetic-rviz-plugin-tutorials
ros-noetic-rviz-python-tutorial ros-noetic-self-test
ros-noetic-sensor-msgs ros-noetic-shape-msgs
ros-noetic-simulators ros-noetic-smach
ros-noetic-smach-msgs ros-noetic-smach-ros
ros-noetic-smclib ros-noetic-stage ros-noetic-stage-ros
ros-noetic-std-msgs ros-noetic-std-srvs
ros-noetic-stereo-image-proc ros-noetic-stereo-msgs
ros-noetic-tf ros-noetic-tf-conversions ros-noetic-tf2
ros-noetic-tf2-eigen ros-noetic-tf2-geometry-msgs
ros-noetic-tf2-kdl ros-noetic-tf2-msgs ros-noetic-tf2-py
ros-noetic-tf2-ros ros-noetic-theora-image-transport
ros-noetic-topic-tools ros-noetic-trajectory-msgs
ros-noetic-transmission-interface
ros-noetic-turtle-actionlib ros-noetic-turtle-tf
ros-noetic-turtle-tf2 ros-noetic-turtlesim
ros-noetic-urdf ros-noetic-urdf-parser-plugin
ros-noetic-urdf-sim-tutorial ros-noetic-urdf-tutorial
ros-noetic-vision-opencv
ros-noetic-visualization-marker-tutorials
ros-noetic-visualization-msgs
ros-noetic-visualization-tutorials ros-noetic-viz
ros-noetic-webkit-dependency ros-noetic-xacro
ros-noetic-xmlrpcpp ruby ruby-minitest ruby-net-telnet
ruby-power-assert ruby-test-unit ruby-xmlrpc ruby2.7
rubygems-integration sbcl sdformat9-sdf shiboken2
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ttf-bitstream-vera ttf-dejavu-core unixodbc-dev uuid-dev
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Install ros-noetic-desktop

ros-noetic-desktop is a trimmed-down version of ros-noetic-desktop-full, also containing most tutorials packages. Specifically, it includes the following packages:

  • robot
  • vis
  • angles
  • common_tutorials
  • geometry_tutorials
  • joint_state_publisher_gui
  • ros_tutorials
  • roslint
  • urdf_tutorial
  • visualization_tutorials

To install ros-noetic-desktop, run

sudo apt install ros-noetic-desktop

Install ros-noetic-base

As you might guess, ros-noetic-base only contains the basic ROS packages. It extends ros_core and includes other basic non-robot tools like actionlib, dynamic reconfigure, nodelets, and pluginlib.

To install ros-noetic-base, run

sudo apt install ros-noetic-base

Install ros-noetic-core

The ros-noetic-core is a collection of the bare minimum core packages. The packages are required for publishers, subscribers, services, launch files, and other core ROS concepts. Here is the full list:

  • catkin
  • class_loader
  • cmake_modules
  • common_msgs
  • gencpp
  • geneus
  • genlisp
  • genmsg
  • gennodejs
  • genpy
  • message_generation
  • message_runtime
  • pluginlib
  • ros
  • ros_comm
  • rosbag_migration_rule
  • rosconsole
  • rosconsole_bridge
  • roscpp_core
  • rosgraph_msgs
  • roslisp
  • rospack
  • std_msgs
  • std_srvs

To install ros-noetic-core, run

sudo apt install ros-noetic-core

Set up ROS Noetic environment

After installing ROS Noetic on your Ubuntu 20.04 computer, we will now set up your environment. In order to use ROS terminal commands and let catkin find your ROS program files such as header files in your includes directory, you will need to run the setup.bash file after you run apt install. To do that, run the following command:

source /opt/ros/noetic/setup.bash

To avoid run the command above every time, which is especially true when you are developing with ROS, it is recommended to put it in the .bashrc file located in the home directory ~. To do it run the following:

echo "source /opt/ros/noetic/setup.bash" >> ~/.bashrc

Run tail ~/.bashrc to double check, you should see the setup.bash is being sourced:

Setting up ROS Noetic environment on Ubuntu 20.04: add source ros noetic setup.bash file in the .bashrc file

To make it take effect, either open a new terminal tab (Ctrl-Shift-t in the default GNOME terminal) or run source ~/.bashrc or . ~/.bashrc. The dot . is a shortcut of source.

In case you are using zsh instead of bash, run the follow command instead:

echo "source /opt/ros/noetic/setup.zsh" >> ~/.zshrc

Again, to make it take effect, either open a new terminal tab (Ctrl-Shift-t) or window (Ctrl-Shift-n) or run source ~/.zshrc.

Verify Noetic installation

Congratulations! Now you learned how to install ROS Noetic on Ubuntu 20.04. But how do we know it is installed successfully?

We can simply run roscd. You can see the current directory of your prompt is changed to where we installed Noetic: /opt/ros/noetic.

Verify if ROS Noetic is installed on Ubuntu 20.04 by running roscd

We can also verify the installation by running roscore to start a ros master. You will see the roscore is logging in a log file in ~/.ros/log/. You can also see the ros distro and the ros version in the summary. In addition, you also know the ROS master URI is on the 11311 port which is the default ROS port.

Verify if ROS Noetic is installed on Ubuntu 20.04 by running roscore

Have fun programming your robot with the latest ROS release ROS Noetic on the latest Ubuntu — Ubuntu 20.04!

Reference:

http://wiki.ros.org/noetic/Installation/Ubuntu

http://wiki.ros.org/Distributions#Noetic_Ninjemys

4 Steps to Install ROS Noetic on Ubuntu 20.04

Time Needed : 20 minutes

  1. Set up ROS Noetic repo on Ubuntu 20.04

    Run this command to add the ROS Noetic repo to apt's source list: echo "deb http://packages.ros.org/ros/ubuntu focal main" | sudo tee /etc/apt/sources.list.d/ros-focal.list
    crop 0 0 633 347 0 image 33

  2. Add Official ROS keyring

    Run the following command to add the ROS key to authenticate the ROS packages: sudo apt-key adv --keyserver 'hkp://keyserver.ubuntu.com:80' --recv-key C1CF6E31E6BADE8868B172B4F42ED6FBAB17C654
    image 34

  3. Update ROS package index

    Simply run sudo apt update.
    image 36

  4. Install ROS Noetic desktop full metapackage on Ubuntu 20.04

    Run sudo apt install ros-noetic-desktop-full to finally install Noetic on you Ubuntu 20.04 machine.Installing ROS Noetic desktop full on Ubuntu 20.03

Tools
  • Terminal
  • curl
  • apt
Materials
  • Ubuntu 20.04

FAQ

  1. How to fix “Unable to locate package ros-noetic-desktop-full”?

    There are multiple reasons why you see Unable to locate package ros-noetic-desktop-full.

    1. Make sure you followed the first 3 steps: add ROS Noetic repo, add ROS keyring, and run sudo apt update to have a local copy of the meta information of all Noetci packages.

    2. Make sure you have Ubuntu 20.04 or Debian 10 Buster, not older Ubuntu version like 18.04 or Debian 9. Noetic only supports Ubuntu 20.04 and Debian 10, otherwise you will get this error message: “Unable to locate package ros-noetic-desktop-full”.

    Options to fix it:

    The computer architectures that Noetic supports are amd64, armhf, and arm64, which does not include Raspberry Pi. You will have to compile Noetic packages from source on Raspberry Pi, see our guide on this.

    If you have to install Noetic on other unsupported OS, consider use Docker for ROS Noetic installation.

  2. How to install ROS Noetic on Ubuntu 18.04?

    The official answer is no. ROS Noetic uses and depends system libraries on Ubuntu 20.04 and The libraries are old on 18.04 and may have introduced breaking changes. The ROS version for 18.04 is Melodic; we have a tutorial to install ROS Melodic on Ubuntu 18.04.

    However, what you can do to install ROS Noetic on Ubuntu 18.04 is to install Noetic through Docker. Click the links to see our step-by-step guide.

Let us know if you have any other questions in the comment!

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By VarHowto Editor

Welcome to VarHowto!

15 replies on “How to Install ROS Noetic on Ubuntu 20.04”

I want to share a message that has been spreading all over the internet that concerns the times we are living in. Whether you believe in God or not, this is a must read message!

We can see throughout time how we have been slowly conditioned to come to this point where we are on the verge of a cashless society. Would it surprise you to know that the Bible foretold of this event? Don’t believe me? This may be the most imporant message you will read in these times…please do not ignore this!

This messsage reveals what the Mark of the Beast is, and the meaning behind counting a number people have been pondering for centuries, 666. This message also shares why Barack Obama is the Antichrist. This is truly a message from God!

In the Revelation of Jesus Christ given to the apostle John, we read:

“He (the false prophet who deceives many by his miracles) causes all, both small and great, rich and poor, free and slave, to receive a mark on their right hand or on their foreheads, and that no one may buy or sell except one who has the mark or the name of the beast, or the number of his name.

Here is wisdom. Let him who has understanding calculate the number of the beast, for it is the number of a man: His number is 666” (Revelation 13:16-18 NKJV).

Referring to the last generation, this could only be speaking of a cashless society. Why? Revelation 13:17 tells us that we cannot buy or sell unless we receive the mark of the beast. If physical money was still in use, we could buy or sell with one another without receiving the mark. This would contradict scripture that says we must have the mark to buy or sell. So, it deduces itself to this conclusion.

These verses could not be referring to something spiritual as scripture references two physical locations (our right-hand or forehead) stating the mark will be on one “OR” the other. It once again deduces itself to this conclusion.

Also, how could you determine who truly has a spiritual mark so that they may buy or sell? And, as you will read further in this article, to have the mark of the beast is the same to have the name of the beast, or the number of its name. You will begin to see even more clearly why this mark cannot be something purely spiritual.

Here is where it really starts to come together. It is shocking how accurate the Bible is concerning the RFID microchip. These are notes from a man named Carl Sanders who worked with a team of engineers to help develop this microchip in the late 1960’s.

“Carl Sanders sat in seventeen New World Order meetings with heads-of-state officials such as Henry Kissinger and Bob Gates of the C.I.A. to discuss plans on how to bring about a one-world system. The government commissioned Carl Sanders to design a microchip for identifying and controlling the peoples of the world—a microchip that could be inserted under the skin with a hypodermic needle (a quick, convenient method that would be gradually accepted by society).

Carl Sanders, with a team of engineers behind him, with U.S. grant monies supplied by tax dollars, took on this project and designed a microchip that is powered by a lithium battery, rechargeable through the temperature changes in our skin. Without the knowledge of the Bible (Brother Sanders was not a Christian at the time), these engineers spent one-and-a-half-million dollars doing research on the best and most convenient place to have the microchip inserted.

Guess what? These researchers found that the forehead and the back of the hand (the two places Revelation says the mark will go) are not just the most convenient places, but are also the only viable places for rapid, consistent temperature changes in the skin to recharge the lithium battery. The microchip is approximately seven millimeters in length, .75 millimeters in diameter, about the size of a grain of rice. It is capable of storing pages upon pages of information about you. All your general history, work history, crime record, health history, and financial data can be stored on this chip.

Brother Sanders believes that this microchip, which he regretfully helped design, is the “mark” spoken about in Revelation 13:16-18. The original Greek word for “mark” is “charagma,” which means a “scratch or etching.” It is also interesting to note that the number 666 is actually a word in the original Greek. The word is “chi xi stigma,” with the last part, “stigma,” also meaning “to stick or prick.” Carl believes this refers to a hypodermic needle (see photo).

Mr. Sanders asked a Boston Medical Center doctor what would happen if the lithium contained within the RFID microchip leaked into the body. The doctor responded that if the microchip broke inside a human body, the lithium would cause a severe and painful wound filled with pus. This is what the book of Revelation says:

“And the first (angel) went, and poured out his vial on the earth; and there fell a noisome and grievous sore on the men which had the mark of the beast, and on them which worshipped his image” (Revelation 16:2).

THE HIDDEN MEANING BEHIND THE NUMBER 666 REVEALED!

What I first want to mention, before I share what the Holy Spirit has revealed to me concerning the number of the beast, is that God confirms in threes. We can see this throughout scripture:

“For there are three that bear witness in heaven: the Father, the Word, and the Holy Spirit; and these three are one” (1 John 5:7 NKJV).

“and that He was buried, and that He rose again the third day according to the Scriptures” (1 Corinthians 15:4 NKJV).

“…Holy, holy, holy, Lord God Almighty, Who was and is and is to come!” (Revelation 4:8 NKJV).

There are many more examples, but I thought I would just share three of them to make the point.

Examining Revelation 13:16,17,18, the first group of three I would like to point out is that the mark of the beast is described in three separate verses, 16, 17 and 18.

The next three I see is in verse 16, “He causes all…” is followed by three contrasting categories of people,

1 – “both small and great,
2 – rich and poor,
3 – free and slave…”.

Then unto verse 17, it opens with, “and that no one may buy or sell except one who has…”, followed by three explanations of what one must have to buy or sell,

1 – “…the mark
2 – or the name of the beast,
3 – or the number of his name”.

Now unto verse 18, we read “Let him who has understanding calculate…”, which is followed by,

1 – “the number of the beast,
2 – for it is the number of a man:
3 – His number is 666”.

The last three I see is the number “6” being used three times in a row. The reason I’m making this point about God confirming in three is because it is the key to unlocking how to calculate the number 666.

Throughout the centuries there have been people trying to calculate numbers based on titles and names that come up to the number 666 to identify one person, the Antichrist; but from Revelation 13:18, I do not see where God is telling us to count up to 666, but rather to count the number of the beast. This number is identified as 666. So the verse is telling us to count the number 666.

What does it mean to count? It means to add up. So how could we add up 666? Remember my previous point about God confirming in threes is key to unlocking the number 666. So logically, what would be the best way to count the number 666? To count it equally by using the rule of three based off the number.

We cannot count it equally as 600+60+6, this would also bring us back to the start.

We cannot count it as 600+600+600, or 60+60+60 because there are no zeroes in between or at the end of 666.

The only logical option is 6+6+6=18.

What is interesting is that the verse that reveals for us to count the number itself is verse 18 (there a total of 18 verses in Revelation Chapter 13).

Another interesting point is the only two other combinations (making a total of three possible combinations) for placing a “+” symbol in between 666 are:

66+6=72 and 6+66=72.

Add both 72’s together and you get 144.

Why the number 144 is worth our attention is because the verse following Revelation 13:18 is the first time in the Bible where the 144,000 are being described in detail:

“Then I looked, and behold, a Lamb standing on Mount Zion, and with Him one hundred and forty-four thousand, having His Father’s name written on their foreheads…” (Revelation 14:1).

Now if you add up all three numbers from counting 666 by moving the “+” symbol around, it would be 72+72+18=162. What is compelling about the number 162, is, if you divide 144,000 by 162, you get 888. The name of Jesus in Greek gematria adds up to 888. The New Testament was originally written in the Greek language. Revelation 14:1 not only mentions the 144,000, but also the Lamb who is Jesus.

Now what is interesting about the number for Jesus, 888, is that if you apply the same formula that was used to count 666, you get 8+8+8=24. Why the number 24? Revelation chapter 4 tells us there are 24 elders seated around the throne of God. This is the same throne where Jesus sits.

Now if you take:

8+8+8=24

8+88=96

88+8=96

you get 24+96+96=216.

Take 144,000 divided by 216 and you get 666.

Remember that this was the same exact formula we used to count the number 666 that ultimately brought forth the number 888.

Here is a quick recap to demonstrate how this formula confirms itself as being the true way to count 666:

1: 6+6+6=18 > 66+6=72 > 6+66=72 > 18+72+72=162

2: 144,000 divided by 162=888

3: 8+8+8=24 > 88+8=96 > 8+88=96 > 24+96+96=216

4: 144,000 divided by 216=666

1: 6+6+6=18 > 66+6=72…

As you can see, it is perpetual. And remember that we consistently used a formula that worked in threes being the number that God uses for confirmation.

Here is another mathematical confirmation: 144,000 divided by 6, divided by 6, divided by 6 (6,6,6) equals 666.

So what could this mean? Well we know in this world we are identified by numbers in various forms. From our birth certificate to social security, as well as our drivers license; being identified based on a system of ruler ship. So it is possible that this RFID microchip will contain a new identification that has a total of 18 characters (6+6+6).

“here the wisdom is, the one having the mind let him calculate the number of the wild beast, number for “of human” it is, and the number of it 666″ (Revelation 13:1, Greek Translation).

The Greek word “anthrōpos” being used in verse 18 where it says “of human” is the Greek strongs concordance G444. The first two definitions of the word are “a human being, whether male or female”, and, “generically, to include all human individuals”. Could the number of the beast apply to all mankind?

In the Greek (the New Testament was originally written in the Greek language), and other translations, you will notice the beast is described as an “it”, instead of “him”. The reason I’m making this point is because when a translation says “His number is 666”, this would imply a singular person, the Antichrist. But by saying “the number of it 666”, implies that it is of the beast system as a whole.

We can know the number of the beast cannot be to identify products (like a new barcode) to buy or sell because scripture says we cannot buy or sell without the number of the beast. What am I getting at? There will be instances where you could buy something someone made themselves and it wouldn’t have a store branded identification on it. But for this number to be in our chips, that is where it must be to conclude ultimately that we cannot buy or sell without having the number of the beast. As previously mentioned in Revelation 13:18, the number of the beast (6+6+6=18) is a “human number”, definition “generically, to include all human individuals”.

Truly a great division is taking place between good and evil—both spiritually and physically (riots, unrest, politics). If you take the current year 2020 and divide it by the number 666 (known for its satanic implications) you will get the number 30330. This number 30330 happens to be the number used to vote for Joe Biden and Kamala Harris. Freaky? And one thing is certain, 2020 is truly being divided by Satan. He is the master deceiver and spreader of chaos. Jesus calls him the father of lies.

So I looked up this number 30330 concerning Joe Biden, and I found this information:

If you send a text to that number (at that time), you would get a response asking to support Joe’s campaign to take down Donald Trump, with one part in caps saying “CHIP IN >>” pointing to a link to go and donate.

“CHIP IN”? Obama has used this phrase in the past on his twitter and people believe it is a subliminal message to receive the mark of the beast, that is to say the implantable RFID microCHIP that will go IN our body.

Go to: https://2ruth.org to see all the proof!

Is your name written in the Lamb’s book of life? Jesus says that we must be born again to enter the kingdom of God in the Gospel of John chapter 3.

“Then a third angel followed them, saying with a loud voice, “If anyone worships the beast and his image, and receives his mark on his forehead or on his hand, he himself shall also drink of the wine of the wrath of God, which is poured out full strength into the cup of His indignation. He shall be tormented with fire and brimstone in the presence of the holy angels and in the presence of the Lamb. And the smoke of their torment ascends forever and ever; and they have no rest day or night, who worship the beast and his image, and whoever receives the mark of his name” (Revelation 14:9-11).

BARACK OBAMA IS THE ANTICHRIST:

In the Islamic religion they have man called the Mahdi who is known as their messiah of whom they are waiting to take the stage. There are many testimonies from people online who believe this man will be Barack Obama who is to be the biblical Antichrist based off dreams they have received. I myself have had strange dreams about him like no other person. So much so that I decided to share this information.

He came on stage claiming to be a Christian with no affiliation to the Muslim faith…

“In our lives, Michelle and I have been strengthened by our Christian faith. But there have been times where my faith has been questioned — by people who don’t know me — or they’ve said that I adhere to a different religion, as if that were somehow a bad thing,” – Barack Obama

…but was later revealed by his own family members that he indeed is a devout Muslim.

So what’s in the name? The meaning of someones name can say a lot about a person. God throughout history has given names to people that have a specific meaning tied to their lives. How about the name Barack Obama? Let us take a look at what may be hiding beneath the surface…

“And He (Jesus) said to them (His disciples), ‘I saw Satan fall like lightning from heaven'” (Luke 10:18).

In the Hebrew language we can uncover the meaning behind the name Barack Obama.

Barack, also transliterated as Baraq, in Hebrew is: lightning

baraq – Biblical definition:

From Strongs H1299; lightning; by analogy a gleam; concretely a flashing sword: – bright, glitter (-ing, sword), lightning. (Strongs Hebrew word H1300 baraq baw-rawk’)

Barak ‘O’bamah, The use of bamah is used to refer to the “heights” of Heaven.

bamah – Biblical definition:

From an unused root (meaning to be high); an elevation: – height, high place, wave. (Strongs Hebrew word H1116 bamah baw-maw’)

The day following the election of Barack Obama (11/04/08), the winning pick 3 lotto numbers in Illinois (Obama’s home state) for 11/5/08 were 666.

Obama was a U.S. senator for Illinois, and his zip code was 60606.

The names of both of Obama’s daughters are Malia and Natasha. If we were to write those names backwards we would get “ailam ahsatan”. Now if we remove the letters that spell “Alah” (Allah being the God of Islam), we get “I am Satan”. Coincidence? I don’t think so.

These are just a few of many evidences why Barack Obama is the Antichrist. You can see many more in my article on the website above, as well as read about the dreams I’ve had concerning this man. I’m more than convinced that God has shown me that he is without a doubt the Antichrist, and we will see him rise to power in the not so dinstant future.

Jesus stands alone among the other religions who say to rightly weigh the scales of good and evil, and to make sure you have done more good than bad in this life. Is this how we conduct ourselves justly in a court of law? Bearing the image of God, is this how we project this image into our reality?

Our good works cannot save us. If we step before a judge, being guilty of a crime, the judge will not judge us by the good that we have done, but rather the crimes we have committed. If we as fallen humanity, created in God’s image, pose this type of justice, how much more a perfect, righteous, and Holy God?

God has brought down His moral law’s through the 10 commandments given to Moses at Mt. Sinai. These laws were not given so we may be justified, rather that we may see the need for a savior. They are the mirror of God’s character of what He has put in each and every one of us, with our conscious bearing witness that we know that it is wrong to steal, lie, dishonor our parents, and so forth.

We can try and follow the moral laws of the 10 commandments, but we will never catch up to them to be justified before a Holy God. That same word of the law given to Moses became flesh over 2000 years ago in the body of Jesus Christ. He came to be our justification by fulfilling the law, living a sinless perfect life that only God could fulfill; even bringing the law to it’s truest light by stating, “You have heard that it was said to those of old, ‘You shall not commit adultery.’ But I say to you that whoever looks at a woman to lust for her has already committed adultery with her in his heart” (Matthew 5:27-28).

The gap between us and the law can never be reconciled by our own merit, but the arm of Jesus is stretched out by the grace and mercy of God. And if we are to grab on, through faith in Him, He will pull us up being the one to justify us. As in the court of law, if someone steps in and pays our fine, even though we are guilty, the judge can do what is legal and just and let us go free. That is what Jesus did almost 2000 years ago on the cross. It was a legal transaction being fulfilled in the spiritual realm by the shedding of His blood.

Because God is Holy and just, the wrath that we deserve could not go unnoticed. Through the perfect righteousness and justice of God’s character, it must be dealt with, it must be quenched, it must be satisfied.

For God takes no pleasure in the death of the wicked (Ezekiel 18:23). This is why in Isaiah chapter 53, where it speaks of the coming Messiah and His soul being a sacrifice for our sins, why it says it pleased God to crush His only begotten Son.

This is because the wrath that we deserve was justified by being poured out upon His Son. If that wrath was poured out on us, we would all die and go to hell. God created a way of escape by pouring it out on His Son whose soul could not be left in Hades, but was raised to life on the third day and seated at the right hand of God in power.

So now when we put on the Lord Jesus Christ (Romans 13:14), God no longer sees the person who deserves His wrath, but rather the glorious image of His perfect Son dwelling in us, justifying us as if we received the wrath we deserve, making a way of escape from the curse of death.

Now what we must do is repent and put our trust and faith in the savior, confessing and forsaking our sins. This is not just a head knowledge of believing in Jesus, but rather receiving His words, taking them to heart, so that we may truly be transformed into the image of God. Where we no longer live to practice sin, but rather turn from our sins and practice righteousness through faith in Him.

Jesus answered, “Most assuredly, I say to you, unless one is born of water and the Spirit, he cannot enter the kingdom of God. That which is born of the flesh is flesh, and that which is born of the Spirit is spirit. Do not marvel that I said to you, ‘You must be born again'” (John 3:5-7).

Come before the Lord with a contrite spirit, humble yourself, ask Him for His forgiveness, to receive the free gift of His salvation, to receive His Holy Spirit, so that you may be transformed into a new creature, into a child of the living God.

There is a reason why the words of Jesus have been translated in to over 2000 languages, and nothing comes remotely close (the Quran just over 100), because there is a God in heaven who desires to have a relationship with you, to know Him through His word, as that is how we personally get to know anybody. There is a reason why it is the year 2021, because Jesus came to earth just over 2000 years ago fulfilling major prophecy causing a divide in our timeline.

Jesus loves you! Seek Him while He may be found! We must repent and turn from practicing sin…for if we are not following Jesus, we are following the devil. There is no neatural ground. We are either living in the lie, or the truth. God bless you!

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Hi, I receive the following errors after running ‘sudo apt install ros-noetic-desktop-full’ :

Ign:1 http://au.archive.ubuntu.com/ubuntu focal/main amd64 ruby-net-telnet all 0.1.1-2
Err:2 http://au.archive.ubuntu.com/ubuntu focal/universe amd64 libtar0 amd64 1.2.20-8
403 Forbidden [IP: 202.158.214.106 80]
Ign:3 http://au.archive.ubuntu.com/ubuntu focal/main amd64 python3-constantly all 15.1.0-1build1
Err:1 http://au.archive.ubuntu.com/ubuntu focal/main amd64 ruby-net-telnet all 0.1.1-2
403 Forbidden [IP: 202.158.214.106 80]
Err:3 http://au.archive.ubuntu.com/ubuntu focal/main amd64 python3-constantly all 15.1.0-1build1
403 Forbidden [IP: 202.158.214.106 80]
E: Failed to fetch http://au.archive.ubuntu.com/ubuntu/pool/main/r/ruby-net-telnet/ruby-net-telnet_0.1.1-2_all.deb 403 Forbidden [IP: 202.158.214.106 80]
E: Failed to fetch http://au.archive.ubuntu.com/ubuntu/pool/universe/libt/libtar/libtar0_1.2.20-8_amd64.deb 403 Forbidden [IP: 202.158.214.106 80]
E: Failed to fetch http://au.archive.ubuntu.com/ubuntu/pool/main/c/constantly/python3-constantly_15.1.0-1build1_all.deb 403 Forbidden [IP: 202.158.214.106 80]
E: Unable to fetch some archives, maybe run apt-get update or try with –fix-missing?

I have tried running ‘sudo apt-get update’ and ‘sudo apt-get update –fix-missing’ but to no effect.

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Hi Yang. The Ubuntu package repo mirror permission is not configured properly. You can remove the ‘au.’ part from the url by editing the ‘/etc/apt/source.list’ (you can use ‘sudo nano’)

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I have the following error while trying to install noetic desktop full on Ubuntu 20.04.2 LTS

I tried installing the libraries manually but all of them are up to date.

sudo apt install ros-noetic-desktop-full
Reading package lists… Done
Building dependency tree
Reading state information… Done
Some packages could not be installed. This may mean that you have
requested an impossible situation or if you are using the unstable
distribution that some required packages have not yet been created
or been moved out of Incoming.
The following information may help to resolve the situation:

The following packages have unmet dependencies:
ros-noetic-desktop-full : Depends: ros-noetic-simulators but it is not going to be installed
Depends: ros-noetic-urdf-sim-tutorial but it is not going to be installed
E: Unable to correct problems, you have held broken packages.

+1

There are 2 ways that may solve the problem.

  1. Runsudo apt update && sudo apt install ros-noetic-desktop-full

  2. If the first way doesn’t work, try install individual packages under ros-noetic-desktop-full: sudo apt install ros-noetic-desktop ros-noetic-perception ros-noetic-simulators ros-noetic-urdf-sim-tutorial. This way, if one of its dependencies are not met, you can still install other dependencies.

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better you check the version of libc6 or try installing libc6-dev if you see a conflict, just reinstall it with the required version.

+1

I have a problem, after entering its product it showed:
Executing: /tmp/apt-key-gpghome.2rzZXNEMFZ/gpg.1.sh –keyserver hkp://keyserver.ubuntu.com:80 –recv-key C1CF6E31E6BADE8868B172B4F42ED6FBAB17C654
gpg: key F42ED6FBAB17C654: “Open Robotics info@osrfoundation.org” not changed
gpg: Total number processed: 1
gpg: unchanged: 1

Instead of import, it showed unchanged, could I know why and can somebobdy assist me?

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sir i checked and it is available but for five times

export DISPLAY={192.168.****}:0.0
export DISPLAY={192.168.****}:0.0
export DISPLAY=192.168.****:0.0
export DISPLAY=192.168.****:0.0
export DISPLAY=192.168.****:0.0
export DISPLAY=172.29****:0
source /opt/ros/noetic/setup.bash
source /opt/ros/noetic/setup.bash
source /opt/ros/noetic/setup.bash
source /opt/ros/noetic/setup.bash
source /opt/ros/noetic/setup.bash
source /opt/ros/noetic/setup.bash

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WARNING: unable to configure logging. No log files will be generated
Checking log directory for disk usage. This may take awhile.
Press Ctrl-C to interrupt
Done checking log file disk usage. Usage is <1GB.

Resource not found: roslaunch
The traceback for the exception was written to the log file
Traceback (most recent call last):
File “/usr/lib/python3/dist-packages/roslaunch/init.py”, line 322, in main
p.start()
File “/usr/lib/python3/dist-packages/roslaunch/parent.py”, line 277, in start
self._start_infrastructure()
File “/usr/lib/python3/dist-packages/roslaunch/parent.py”, line 226, in _start_infrastructure
self._load_config()
File “/usr/lib/python3/dist-packages/roslaunch/parent.py”, line 137, in _load_config
self.config = roslaunch.config.load_config_default(self.roslaunch_files, self.port,
File “/usr/lib/python3/dist-packages/roslaunch/config.py”, line 447, in load_config_default
load_roscore(loader, config, verbose=verbose)
File “/usr/lib/python3/dist-packages/roslaunch/config.py”, line 92, in load_roscore
f_roscore = get_roscore_filename()
File “/usr/lib/python3/dist-packages/roslaunch/config.py”, line 84, in get_roscore_filename
return os.path.join(r.get_path(‘roslaunch’), ‘resources’, ‘roscore.xml’)
File “/usr/lib/python3/dist-packages/rospkg/rospack.py”, line 207, in get_path
raise ResourceNotFound(name, ros_paths=self._ros_paths)
rospkg.common.ResourceNotFound: roslaunch

sir iam getting this error

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