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How often should you reboot a production webserver?
(hexbear.net)
Specifically, a dedicated server running Debian 12.
After a monthly sudo apt upgrade? (Is a monthly upgrade even necessary?)
Never? (unless there is a security update?)
Edit: I may be missing kernel upgrades. Those are probably good... I can't remember if I installed a LTS kernel. I imagine it would be unsecure to post an exact kernel version, however.
You should upgrade for security updates every six hours and reboot on every kernel upgrade
So you have cron handle your reboots?
I use unattended-upgrades on Debian to upgrade and reboot when necessary.
is that safe? ever had issues with updating production automatically?
I never had any issues with that