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How to ssh into turtlebot?

asked 2011-08-26 10:08:21 -0600

ParkerGibbons gravatar image

updated 2011-09-23 05:26:49 -0600

kwc gravatar image

I got my computer for my turtlebot today, and I think (and hope!) I got it set up properly. However, while I was going through the tutorials, I encountered a problem with ssh-ing into my turtlebot. I typed "ssh turtlebot@turtlebot" into my terminal, but it says "ssh: Could not resolve hostname turtlebot: Name or service not known". Is there something I need to know about how to ssh into something? Do I need to type something else into the terminal?

-Parker Gibbons

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answered 2011-08-27 04:15:51 -0600

Ryan gravatar image

The computer that you're SSHing from needs to know what IP 'turtlebot' refers to is. Try finding the IP of the TurtleBot by running ifconfig in a terminal on the TurtleBot. Then, try:

ssh turtlebot@<IP>

If you are setting up a computer from scratch and are not using the official TurtleBot iso, you may also need to install a server for ssh on your TurtleBot:

sudo apt-get install openssh-server
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I was using the official iso, but I did not have an ssh server on the computer. So I may have not downloaded it properly. Can I re load it from the same USB stick?
ParkerGibbons gravatar image ParkerGibbons  ( 2011-08-28 04:55:58 -0600 )edit
Easiest thing to do would be to run the second line from above to install it - it'll be much faster. I had thought the official distribution had the server installed, but it's possible that it's not included by default.
Ryan gravatar image Ryan  ( 2011-08-28 06:15:12 -0600 )edit
I don't believe it's in the ISO at the moment. TIcketed
tfoote gravatar image tfoote  ( 2011-08-28 14:21:22 -0600 )edit
I just checked it is in the ISO.
tfoote gravatar image tfoote  ( 2011-08-30 15:19:28 -0600 )edit

answered 2011-09-21 18:37:29 -0600

Chrimo gravatar image

First of all check the ip-addresses of your systems.

You can do this with the command "ifconfig" at the terminal. With this information, you can reach the remote system very easily.

ssh user@remote-ip-address

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answered 2011-09-21 17:23:39 -0600

Jonathan gravatar image

You are using your own IP adress as a target ( You cant be the source and the target at the same time ! The idea of ssh is to log in from an other computer on the network. It should see turtlebot as a local IP, ideally something like 192.168.1.xx

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answered 2011-08-30 11:31:11 -0600

ParkerGibbons gravatar image

Alright. I installed the ssh server, but it still can not ssh into my robot.

I type "ssh turtlebot@"

And get back "ssh: connect to host port 22: Connection refused"

What do you think is the problem?

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That's the "local IP" of the laptop. You can only use that IP address if you're physically on the laptop. If you're on a wireless network, type "ifconfig wlan0" to get the proper address
Ryan gravatar image Ryan  ( 2011-08-30 12:18:45 -0600 )edit

Type $ifconfig on your turtlebot's terminal.

Near the wlan0 section you will see your turtlebot's inet

Thats the correct address

Panos_Mallioris gravatar image Panos_Mallioris  ( 2019-04-02 03:06:45 -0600 )edit

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Asked: 2011-08-26 10:08:21 -0600

Seen: 4,572 times

Last updated: Sep 21 '11