Questions about disabling {CTRL-ALT-DEL}

[Aviss,Tyler]

Just to add to that vein, It also doesn't hurt to type a quick "who"  
to see who else is on the box before scaring them with reboot  
warnings. Also not a bad idea before swooping in on a server and  
taking significant actions (restarting daemons while another is  
editing config similarly has bad results)

(sent from my phone, so please excuse the typos)

On 26-Jun-09, at 9:23 PM, Robert Brockway <robert-5LEc/6Zm6xCUd8a0hrldnti2O/JbrIOy at public.gmane.org>  
wrote:

> On Fri, 26 Jun 2009, Lennart Sorensen wrote:
>
>> #!/bin/bash
>> /usr/games/cowsay "This is a server.  Not your local test unit or  
>> router.  Are you sure you want to `basename $0` $HOSTNAME?"
>> sleep 1
>> echo ""
>> echo "If so please use /sbin/`basename $0` explicitly."
>>
>> Helps avoid embarrassing reboots of things you might ssh to once in  
>> a while.
>>
>> Certainly seems to get people's attention.
>
> Nice.
>
> I continue to drum into sysadmins (at every opportunity) that  
> "shutdown now" is not something you do on a server unless it is  
> melting in front of you.  Even a one minute warning gives users a  
> chance to respond, other sysadmins a chance to respond[1][2] and  
> gives you a graceful exit strategy if you issue the command on the  
> wrong box.
>
> [1] Another sysadmin can issue a shutdown -c to cancel a scheduled  
> shutdown.  They might know something you don't, so give them a chance.
>
> [2] When consulting one day I had the owner of a box issue a  
> 'shutdown now' without warning when I was in the middle of editing  
> crucial system config files.  I managed to get :q! typed before my  
> shell exited or the box would have hung on boot.  I had to enlighten  
> him after that incident :)
>
> Cheers,
>
> Rob
>
> -- 
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