[xubuntu-users] Detecting login name after su

[Kevin O'Gorman]

On Fri, Oct 4, 2013 at 1:56 PM, Peter Flynn <peter at silmaril.ie> wrote:
> On 10/04/2013 09:42 PM, Kevin O'Gorman wrote:
> [...]
>> w is a new one on me.  Interesting, and it has the info, but I can't
>> rely on getting it the way shown:
>> kevin at treat:~$ sudo su -
>> [sudo] password for kevin:
>> root at treat:~# w -u | grep 'w -u$'
>> root at treat:~# w -u
>>  13:40:56 up 3 days,  6:48,  1 user,  load average: 2.75, 2.40, 2.23
>> USER     TTY      FROM              LOGIN@   IDLE   JCPU   PCPU WHAT
>> kevin    tty7                      Tue06    3days  3:35m  0.01s
>> /bin/sh /etc/xdg/xfce4/xinitrc -- /etc/X11/xinit/xs
>> root at treat:~#
>
> Hmm. On my systems the last command typed by the user is shown under the
> WHAT column:
>
> peter at pentacle:~/$ w -u
>  21:54:46 up  1:30,  2 users,  load average: 0.52, 0.64, 0.51
> USER     TTY      FROM             LOGIN@   IDLE   JCPU   PCPU WHAT
> peter    pts/0    :0               20:26    6.00s  0.25s  0.00s w -u
> peter    pts/1    :0.0             21:52    2:30   0.22s  0.22s bash
> peter at pentacle:~/$
>
> Perhaps this is a version or security issue.


I'm running xubuntu 12.04.
w is part of procps version 3.2.8