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Old 08-07-2009, 05:48 PM   #1
ac1115
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Registered: Aug 2009
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Question about SSH


Hello,

I'm trying to make either a single command or a shell script that I can run that will SSH into another box, login as root, then execute a shell script on the remote box.

I've been trying to make one, however I've been unsuccessful so far. Any suggestions?


Much appreciated!
 
Old 08-07-2009, 07:26 PM   #2
rjlee
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Registered: Jul 2004
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If you just want to run a command as root (i.e. without logging in and running .bash_profile) then sudo's probably the easiest way:
Code:
ssh user@server.domain sudo command
I just tried that on my Ubuntu box, and it worked - although it did print the admin password the second time. You could always configure sudo to allow the user to run the specific command without a password.

You can't run su from the ssh command-line, because it needs a terminal of some sort. You could create a virtual terminal, then attach it to the standard input and output streams provided by sshd, but that's much more work than the sudo route.

Hope that helps,

—Robert J Lee
 
Old 08-07-2009, 07:45 PM   #3
karamarisan
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You could also setuid your script and run it as an unprivileged user. This avoids the security problem of allowing your account to gain root on that server without a password, but that means you need to be super careful about who can write to that script.
 
  


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