The who command

[Mark McCulligh]

Rick Stevens wrote:

>On Thu, 2006-06-29 at 11:55 -0400, Mark McCulligh wrote:
>  
>
>>Hi Group,
>>
>>When I log into my system and run the who command I get no users. If I 
>>look at my uptime is says 0 users. Plus if I view the lastlog file it 
>>looks like it is corrupt.  How I am fix this?
>>    
>>
>
>"who" is based on what's in /var/log/utmp or /var/log/wtmp.  If one of
>those files is not present, who can't report on users.  However,
>/var/log/wtmp is MANDATORY on Linux and is created by init if it does
>not exist.
>  
>
I have tried using the root user. The wtmp file does exist but is 
blank.  Any ideas?

>Now, have you tried "who" as the root user?  You should see AT LEAST
>your login.  If you see nothing if you run "who" as a normal user,
>then /var/log/wtmp is not set world-readable.  If you wish to allow
>normal users to run "who", then do this as the root user:
>
>	# chmod ugo+r /var/log/wtmp
>
>and it should work.
>
>----------------------------------------------------------------------
>- Rick Stevens, Senior Systems Engineer     rstevens at vitalstream.com -
>- VitalStream, Inc.                       http://www.vitalstream.com -
>-                                                                    -
>- Life:  That which happens while you search for the remote control. -
>----------------------------------------------------------------------
>
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