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I got these errors while trying to perform a dry-run with option -n over ssh on a remote server:

# rsync --progress --delete -avhHen ssh /etc/yum root@my.ipaddress:/etc
rsync: Failed to exec n: No such file or directory (2)
rsync error: error in IPC code (code 14) at pipe.c(85) [sender=3.1.0]
rsync: connection unexpectedly closed (0 bytes received so far) [sender]
rsync error: error in IPC code (code 14) at io.c(226) [sender=3.1.0]

How do I perform a dry-run for the above command using rsync over ssh?

  • You need -e 'ssh -opts user@host' or to read the USING RSYNC-DAEMON FEATURES VIA A REMOTE-SHELL CONNECTION section in man rsync. You can use --dry-run or -n or --list-only for no-op tests. – mikeserv Jun 23 '14 at 2:28
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rsync: Failed to exec n: No such file or directory (2)

Pretty much explains it there...

the -e option (long version: --rsh=) says to execute the FOLLOWING command as the shell on the destination machine.

You told it: -e n. Look at the order of the options you supplied. (-avhHen)

Reverse the order, ne so that your redundant use of -e ssh will work as you desire.

  • Ah.. I get what the error is trying to tell me now. Thanks a lot :) – Question Overflow Jun 23 '14 at 2:39
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    Just a minor comment: -e specifies the command to get to a remote shell from your local machine. Your answer can be misunderstood that -e specifies the path to a shell on the remote machine (e.g. /usr/bin/bash) -- which is wrong. – m8mble Aug 26 '18 at 16:21
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The problem here is that rsync's -e option expects the remote shell as the very next "thing" on the command line: here, that's n, while before it was ssh.

Usually I'd split -e out as its own option and write this like:

rsync --progress --delete -avhHn -e ssh /etc/yum root@my.ipaddress:/etc

but you could also just move the n earlier - it's important that the e be the last option in a group of short options, if you're going to use it like that.

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