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If your Linux system locks up, it might need rebooting.
With the help of a small application, this can be automated.
Watchdog is easy to install and free to use.
I have several Linux systems connected to my home lab; some of them are desktops, and some of them are servers. Ninety-nine percent of the time, those machines work flawlessly. When that one percent happens, any machine that goes south needs help.
One way of helping is via a small software package called Watchdog. This piece of software runs various checks to see if the hardware has "locked up." If it detects that it has happened, it will reboot the machine.
Also: 6 reasons a minimal Linux install might be the smartest move you make
There are two types of Watchdogs: software and hardware. The hardware Watchdog is much more reliable, but it requires specialty hardware for it to work. The software Watchdog isn't quite as reliable, but it works on most Linux systems.
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