openssh unix dev - Sep 2023 - [Feature Request] mention hostname on -v

>> I've got a usecase right now where I've got to use a few
>> intermediate ProxyJump hosts, and it would help debugging
>> via -v tremendously if the debug lines would have a prefix
>> of the originating host, so that they can be easily associated.
>> 
>> The FQDN might be too long, though -- perhaps just the PID
>> with an additional line associating it with the host would be
>> a better fit?
> 
> it's a bit of a hack, but you can get PID in debug messages right now
> using LogVerbose=*, though you'll probably need to set it in ssh_config
> if you're using ProxyJump as options from the command-line are mostly
> not passed to the subordinate ssh processes.
Thanks for the idea -- but that means having write access to sshd_config
and (potentially) disturbing all other users on the machines.


Well, how about the general idea of including the PID?
If it's at the end like [1234] it's okay as well,
highlighting strings in an editor is easy enough.

Hi,

On 12/09/2023 07:43, Philipp Marek wrote:
>>> I've got a usecase right now where I've got to use a few
>>> intermediate ProxyJump hosts, and it would help debugging
>>> via -v tremendously if the debug lines would have a prefix
>>> of the originating host, so that they can be easily associated.
>>>
>>> The FQDN might be too long, though -- perhaps just the PID
>>> with an additional line associating it with the host would be
>>> a better fit?
>>
>> it's a bit of a hack, but you can get PID in debug messages right
now
>> using LogVerbose=*, though you'll probably need to set it in
ssh_config
>> if you're using ProxyJump as options from the command-line are
mostly
>> not passed to the subordinate ssh processes.
> 
> Thanks for the idea -- but that means having write access to sshd_config
> and (potentially) disturbing all other users on the machines.
Note that Damien wrote ssh_config[1], not sshd_config.
You can have a ~/.ssh/config to override system defaults.

Best regards, Martin

[1] https://man.openbsd.org/ssh_config#LogVerbose

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