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Jake
Asked: 2011-06-03 15:46:19 +0800 CST

Is there a way to forward my .ssh/config file to an ssh connection?

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There is a way to forward my private keys to the server im connected with the ssh -A option. Is there is a way to forward the .ssh/config file as well? Its where I keep host aliases and default usernames. Its not possible to write .ssh/config on those servers because they are shared accounts.

ssh configuration forwarding

4 Answers

  1. Since you can't overwrite /.ssh/config, add your own alias and reference it, as in:

    jake@localhost: scp .ssh/config remoteserver:/home/jake/.sshjake/

jake@localhost: ssh remoteserver

jake@remoteserver: alias ssh='ssh -F ~/.sshjake/config'

jake@remoteserver: ssh someotherserver
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  2. No, there's no way to do that via any standard ssh clients that I know of; I'd be surprised if a client with such functionality exists as it's kind of an out-of-scope `feature'.

    Given that it's a shared account (ouch), I wouldn't want to have any such configuration data there to begin with though, but that's your call :)

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  3. Not directly, but if you want to manage a shared config file (say, you want to store your config files in a local git repository), you can do something like:

    mkdir -p cfg/ssh
cp .ssh/config cfg/ssh/config
rm .ssh/config
ln -s cfg/ssh/config .ssh/config

    Check the original file (now ~/cfg/ssh/config) into your repo, then check out a copy on your other machine(s) and set them up the same way.

    Just remember to make sure you set permissions on your ~/cfg directory such that folks you don't want snooping about in there can't. 600 or 700 is generally fine.

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  4. I do it with a copy command to combine multiple config--a config--b files into config file, just remember to edit in sub files.

    cp config-* config

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