How to modify ssh_args in rsnapshot config?
Solution 1
The rsnapshot man page seems to imply that you add the per-backup-point
arguments as a comma separated list after the destination, the example they give is
backup /var/ localhost/ one_fs=1
This is the same as the other examples, but notice the fourth column. This is how you specify per-backup-point options to over-ride global settings. This extra parameter can take several options, separated by commas.
so I guess you would use
backup /var/ localhost/ ssh_args=-p456
Solution 2
You can also set the port globally for that user inside the corresponding ~/.ssh/config
:
Host example.com
Port 1234
That way it'd get picked up everywhere SSH-related and you won't have to manually specify it each time.
Not saying it's a better solution, just an alternative.
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Nick
Updated on September 18, 2022Comments
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Nick almost 2 years
I have a global rsnapshot config file for all machines that we backup. The global file has
ssh_args -p 123
The machine specific files include the global config file and tries to override the port:
include_conf /etc/rsnapshot-common.conf ssh_args -p 456
This does not work, I get the error:
global ssh_args can only be set once, but is already set. Perhaps you wanted to use a per-backup-point ssh_args instead.
So it knows what I want to do, but it doesn't tell me how to do it! The man page doesn't mention any way of doing this either. How do I change the port after its been set globally?
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Nick over 11 yearsThanks! It looks like this is the syntax
backup /var/ localhost/ ssh_args=-p456