[mosh-users] logging to wtmp

[Keith Winstein]

Hello Zach,

By default, mosh-server adds an entry to utmp (including the user's IP
address) whenever the user becomes active, and replaces it with a
different entry (with just the mosh PID) when they go inactive. This
can help you find abandoned mosh servers.

We don't have a configuration option to change this behavior, but if
you only want the initial utmp entry, you can comment out the source
code in mosh-server.cc that begins "/* update utmp if has been more
than 10 seconds since heard from client */" (near line 678).

Best regards,
Keith

On Wed, Sep 5, 2012 at 5:57 PM, Zachary Miller <zmiller at cs.wisc.edu> wrote:
>
> hello,
>
> is there any way to tell mosh-server not to log to /var/log/wtmp?
>
> i'm not sure what mechanism mosh is using that causes this, but my wtmp file
> is filled with multiple identical entries like:
>
> zmiller  pts/2        Wed Sep  5 09:07 - 09:26  (00:18)     76.250.XX.YY via mosh [8627]
> zmiller  pts/2        Wed Sep  5 09:07 - 09:07  (00:00)     mosh [8627]
> zmiller  pts/2        Wed Sep  5 09:07 - 09:07  (00:00)     76.250.XX.YY via mosh [8627]
> zmiller  pts/2        Wed Sep  5 08:52 - 09:07  (00:14)     mosh [8627]
> zmiller  pts/2        Wed Sep  5 08:52 - 08:52  (00:00)     76.250.XX.YY via mosh [8627]
> zmiller  pts/2        Wed Sep  5 08:52 - 08:52  (00:00)     mosh [8627]
> zmiller  pts/2        Wed Sep  5 08:52 - 08:52  (00:00)     76.250.XX.YY via mosh [8627]
> zmiller  pts/2        Wed Sep  5 06:52 - 08:52  (01:59)     mosh [8627]
> zmiller  pts/2        Wed Sep  5 06:51 - 06:52  (00:00)     76.250.XX.YY via mosh [8627]
> zmiller  pts/2        Wed Sep  5 06:51 - 06:51  (00:00)     mosh [8627]
> zmiller  pts/2        Wed Sep  5 06:51 - 06:51  (00:00)     76.250.XX.YY via mosh [8627]
> ...
>
> and it's too much noise.  it would be nice to only log when the session is
> initiated.  any ideas?
>
>
> cheers,
> -zach
>
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