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pete
Asked: 2021-04-02 17:22:47 +0800 CST

cron is not restarting pm2 [duplicate]

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I've tried many things but cron just won't restart pm2. I set the crontab -e with:

SHELL=/bin/sh PATH=/bin:/sbin:/usr/bin:/usr/sbin

*/10 * * * *  /usr/bin/node /usr/bin/pm2 restart all

And the I type:

cat /var/log/cron.log

And it says:

Apr  2 01:00:01 fatsecret CRON[8202]: (peteblank) CMD (/usr/bin/node /usr/bin/pm2 restart all)
Apr  2 01:00:01 fatsecret CRON[8201]: (peteblank) MAIL (mailed 78 bytes of output but got status 0x004b from MTA#012)
Apr  2 01:10:01 fatsecret CRON[8454]: (peteblank) CMD (/usr/bin/node /usr/bin/pm2 restart all)
Apr  2 01:10:01 fatsecret CRON[8453]: (peteblank) MAIL (mailed 78 bytes of output but got status 0x004b from MTA#012)

So it looks like its restarting every 10 minutes, but its not.

cron pm2

2 Answers

  1. Best Answer

    So it turns out pm2 has an inbuilt cron feature. So I ran

    pm2 restart 0 --cron "*/10 * * * *"
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  2. The best way to deal with cron jobs is to create specific script like this:

    #!/bin/bash

. ~/.bashrc
/usr/bin/node /usr/bin/pm2 restart all

    This script will load the environment variables which are required to run node and run the script in cron:

    */10 * * * *  /path/to/script

    Do not forget to change ~/.bashrc with the absolute path to this file

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