w stopped working?

[Robbo]

On Sun, 2005-10-30 at 15:07 +0000, Eamonn Sullivan wrote:
> I use the w command often when working on Ubuntu because I primarily
> use it from a wirelessly connected laptop via VNC. I use w to check if
> any of my kids are logged in on the computer (which is on the other
> side of the house), if i need to restart or do anything cpu intensive.
> Normally, when I run the command, i'd see myself and who ever is
> logged on upstairs (or via another vncserver connection) like user:0
> or user:1. However, in the last week or so w stopped working. Now I
> just get:
> 
> esullivan at gandalf:~ $ w
>  15:03:32 up 1 day, 16:14,  2 users,  load average: 1.20, 0.89, 0.93
> USER     TTY      FROM              LOGIN@   IDLE   JCPU   PCPU WHAT
> esullivan at gandalf:~ $
> 
> 

w gets it's information from /var/run/utmp, check if this file exists
and has the permissions of -rw-rw-r-- (664).