[IMC-Tech] Re: [CU-Wireless-Staff] resolv.conf change on zeco...

[Matthew Isaacs]

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dan blah wrote:
> matt,
> 
> blah at zeco$ ls -lah /etc/resolv.conf
> -rw-r--r--  1 root  wheel    51B Jan 21 16:38 /etc/resolv.conf
> 
> Jan 21 16:38:41 zeco sudo:  isaacsm : TTY=ttyp2 ;
> PWD=/mnt/xtra/www/stnicholas.chambana.net/drupal/tmp/webcal ;
> USER=root ; COMMAND=/usr/bin/vi /etc/resolv.conf
> 
> root at zeco# cat /etc/resolv.conf
> #nameserver 192.168.0.1
> nameserver 74.134.237.239
> 
> this incorrect change to the file caused many internal processes to
> fail as may scripts were not able to reach zeco who's ip resolved to
> 74.134.239.209 rather than 192.168.11.11.  due to network
> configurations 74.134.239.20 does not point to zeco internally but to
> teco (the firewall).  i am suspecting you were trying to add a
> subdomain and thus needed to add it internally to teco's named as well
> as imsahp's.
> 
> as this is not the first time you have made changes w/o consulting
> other admins who have set things up the way they are for a reason
> (despite not being what you may thing is the best way) and
> consequently caused network problems i am requesting you do not aquire
> admin privileges w/o consulting other admins.  if you fail to follow
> this i will request to the imc-tech group that we remove your admin
> rights.
> 
> a note to all privileged users:
> please follow good practices and understand that you are one of
> thousands of users dependent on the working order of chambana.net
> servers and thus proceed very cautiously to any system wide changes
> you make.  if you don't know FOR SURE all of the results of any change
> all you have to do is ask other admins.
> 

I forgot to mention that change.  The setting that was there by default
was not working after the crash.  No services were accessible.  Nothing
would resolve on zeco.

If there were actual documentation, this would not be problem...
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