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How can i check if ROS is installed? [closed]

asked 2016-03-01 12:02:22 -0500

Knowledge gravatar image

Hi, i am new to ROS and want to learn about it, i am facing difficulties in installing ROS, i want to create two nodes on ROS, and want them to communicate and analyze the robot's local and global reference frames. To be precise i want to examine the position of the robot in x, y and theta coordinates, then send this result to another node which will convert it to global reference frame and then send it to another node. The thing is i am unable to install ROS, can someone experienced help me out here, i will be really obliged.

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Closed for the following reason duplicate question by ahendrix
close date 2016-03-01 16:05:20.544672

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ahendrix gravatar image ahendrix  ( 2016-03-01 16:05:17 -0500 )edit

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answered 2016-03-01 15:53:08 -0500

alee gravatar image

updated 2016-03-01 15:53:30 -0500

Check in /opt and see if there is a directory called "ros". Alternatively, try "source /opt/ros/<distro>/setup.bash" where DISTRO is the distribution you think you've installed (indigo, jade, etc.). If neither works, you don't have ROS

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it says "unversioned" what does it mean?

Knowledge gravatar image Knowledge  ( 2016-03-01 15:57:22 -0500 )edit

When does it say unversioned?

alee gravatar image alee  ( 2016-03-01 17:39:32 -0500 )edit

when i type in the command to check if ROS is installed "source /opt/ros/<distro>/setup.bash"

Knowledge gravatar image Knowledge  ( 2016-03-02 05:50:29 -0500 )edit

Did you type in "<distro>" specifically? You need to replace "<distro>" with something like "hydro" or "indigo" or "jade"

alee gravatar image alee  ( 2016-03-02 08:51:57 -0500 )edit
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answered 2016-03-01 12:43:03 -0500

Knowledge gravatar image

Yes i want to create two nodes on ROS, i don't think i have ROS installed on my linux, how am i suppose to know that it is installed and if it is how will i create those two nodes, sorry i am a beginner and would appreciate your help.

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Asked: 2016-03-01 12:02:22 -0500

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Last updated: Mar 01 '16