Email on reboot

[Adam Funk]

On 2007-08-14, Bart Silverstrim wrote:

> Is there a best-practices recommended way to have a 7.04 ubuntu server 
> email a specific address if it reboots or is restarted?  Emailing output 
> from dmesg or a system log at boot time would be nice, but as long as 
> there was some notification of the restart with a timestamp it would be 
> useful.  I know there's fifty ways to do it, but I wondered what people 
> found to be the easiest and "best" way to do it.

Put a line like this in your crontab:

@reboot   dmesg | mail -s 'Reboot!'  bart at example.com

This takes advantage of the Debian extensions to the crontab format.