I tried this on both the backup machine, and the machine to be backed up. I still get prompted for a password. Could you (or someone else) provide an example of how you would use this in a script that uses rsync and ssh to backup files from one machine to another? I read the man pages for ssh-agent and ssh-add, and it was not clear to me. The eval function provides ssh-agent's pid, but I'm not sure how to use it in this case.
TIA, Bill
Try this...
Connnect FROM comp = Tiger Connect TO comp = Lion
From Tiger...
ssh-keygen -t dsa (when asked for location and password, just press enter) scp ~/.ssh/id_dsa.pub root@lion:/root
From Lion...cat /root/id_dsa.pub ssh-dss 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 root@tiger
Open id_dsa.pub with vi and prepend from=tiger
cat /root/id_dsa.pub from="192.168.1.81" ssh-dss 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 root@tiger
cat id_dsa.pub >> /root/.ssh/authorized_keys
From Tiger...
Now you should be able to run ssh commands with entering a password...
ssh root@lion echo "success" success
Chris Purcell, RHCE
I already know how to run ssh without using a password (i.e. create a key that has no password, and scp that key to the other machine). I thought there was a better way than to create keys that don't have passwords.
Bill
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