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I am trying to find the simplest way to upload a file using ssh and after that run a command on the remote machine within the same ssh session for some post-processing, so that I don't need to login again. The upload should, if possible, show some progress indicator.

So far I looked into scp and rsync, and both are not capable of running any hooks. (I could use the --rsync-path parameter to execute some script before rsync) but I want to do post-processing. Is there any way to open a ssh session, upload, execute a command and close it again?

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You might want the ControlMaster mechanism in ssh.

  • Can this be done without the config file in .ssh? – janoliver Apr 15 '12 at 9:01
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    You could use the equivalent -o options, but you really want the config file given the number of options you need to specify and the importance of their being consistent across all the invocations. – geekosaur Apr 15 '12 at 9:04
  • Using controlmaster I found the answer here: serverfault.com/questions/78630/… Thank you for the help! – janoliver Apr 15 '12 at 9:21
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Well, you could just pipe the whole thing through one ssh command with a cat on the other end. Here I upload a shell script, make it executable, and run it:

$ cat sayhi.sh | ssh myserver 'cat > ./remotehi.sh ; chmod +x ./remotehi.sh ; ./remotehi.sh'
hello, world!
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    To get the progress you can replace cat with pv. so pv sayhi.sh | ssh myserver 'cat > remotehi.sh.... @ckhan the ./ isnt necessary on your cat or chmod commands. Wont hurt, but not necessary. – Patrick Apr 15 '12 at 15:04
  • That is a nice solution as well. Thank you both! – janoliver Apr 16 '12 at 7:10

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