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    How do I send email on shutdown or reboot

    Posts: 3
    in Command Line

    Hi,

    I am attempting to send an email on system shutdown and start up. Right now I have a cron entry that utilizes the @reboot option. This fulfills one of my needs - getting the email on start up. How would I go about getting the system to send out an email at the other end of the process? Namely, I want an email as the system is shutting down. Theoretically, this means I should receive two emails every time the system starts (once because I shut it down or rebooted it, and once because it came back up).

    Thank you

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    • Posts: 216
      McFly wrote:
      Hi,

      I am attempting to send an email on system shutdown and start up. Right now I have a cron entry that utilizes the @reboot option. This fulfills one of my needs - getting the email on start up. How would I go about getting the system to send out an email at the other end of the process? Namely, I want an email as the system is shutting down. Theoretically, this means I should receive two emails every time the system starts (once because I shut it down or rebooted it, and once because it came back up).

      Thank you
      See if this thread helps you. It is RH/Centos oriented. In the initscript you make, you could have a "start" stanza which gets called upon startup, and a "stop" stanza which gets called upon shutdown/reboot. Shout back if this is not clear to you.
    • Posts: 3
      Thank you. That looks very useful. I believe I can modify that to send out the email I'm looking for.

      Thanks.
    • Posts: 216
      McFly wrote:
      Thank you. That looks very useful. I believe I can modify that to send out the email I'm looking for.

      Thanks.
      Cheers!
    • Posts: 3
      As a follow up - in addition to the link posted above with very detailed directions, I also found the tutorial below. The link above showed up to set up the shutdown side of this project and a little extra searching showed how to do the start up (actually, I learned about the @reboot cron ability too)

      To see others, run 
      1. man 5 cron
      . Spiffy little entries there. Would have been very nice to have a @shutdown option. Alas...

      Send email on shutdown and restart (Linux)

      Anyway, thanks again for pointing me to the thread above atreyu. It was very useful in showing me what I needed and crafting the correct Google search to get the rest of what I needed.
    • Posts: 1
      You can simply put a small script that takes the time, and send you an Email with either 'boot' or 'shutdown'.

      Put it in the relevant rc's, and that's it.

      For example, a simple 'boot' script can be: 
      1. #!/bin/bash
      2. mail -s "boot at `date`" you@yourdomain.com
      Plain, simple. Leave the hassle for other folks.

      Good luck!
      Dotan

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