/[cricket]/ssh_howto.txt
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Annotation of /ssh_howto.txt

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Revision 1.4 - (hide annotations)
Mon Dec 9 15:08:03 2002 UTC (16 years, 6 months ago) by dpavlin
Branch: MAIN
CVS Tags: HEAD
Changes since 1.3: +1 -1 lines
File MIME type: text/plain
fix typo

1 dpavlin 1.3 How to setup remote, non-interactive, log-on with multiple command for
2     same remote user-name?
3 dpavlin 1.1
4    
5     For the rest of this document, destination host will be called 'loophole', and
6     user which will run all sort of our evil stuff on loophole will be called
7     'mole'.
8    
9     Do this as a Cricket user:
10    
11     $ ssh-keygen -t dsa -f ~/.ssh/uptime
12    
13 dpavlin 1.4 Append ~/.ssh/uptime.pub on destination host to ~mole/.ssh/authorized_keys2
14 dpavlin 1.1 and prepend following before ssh-dss:
15    
16     command="uptime"
17    
18     So, that line in ~mole/.ssh/authorized_keys2 looks like:
19    
20     command="uptime" ssh-dss AAA...lSEV04= cricket@boo.boo
21    
22     test if it works...
23    
24 dpavlin 1.2 $ ssh -i ~/.ssh/uptime -q -l mole loophole
25 dpavlin 1.1 15:42:10 up 42 days, 18:25, 6 users, load average: 0.00, 0.00, 0.00
26    
27     It does? Oh, good. You now know how to setup individual keys for each
28     command that you want to execute. Keep in mind that user mole must have
29     permissions on loophole to execute that particular command, but other
30     than that, you are winner!
31    
32 dpavlin 1.2 If you get one more line before uptime output, try adding -T option
33     to ssh. This will prevent pseudo tty allocation and (hopefully) remove
34     that output.
35    
36     If you are stuck with ssh v1 protocol, you have to use rsa1 instead of
37     dsa for ssh-keygen and authorized_keys instead of authorized_keys2.
38    
39     But, think about upgrading.

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