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This simple Linux tweak fixes crashes automatically - and it costs me nothing

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Why This Matters

This article highlights a simple, cost-free Linux tweak using the Watchdog software to automatically reboot systems that lock up, improving reliability and reducing downtime. It emphasizes how this small adjustment can be particularly beneficial for both servers and desktops, ensuring continuous operation and easier remote management.

Key Takeaways

Elyse Betters Picaro / ZDNET

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ZDNET's key takeaways

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 in my home lab; some are desktops and some 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 to help is through a small software package called Watchdog. This software runs various checks to determine whether 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 specialized hardware to work. The software Watchdog isn't quite as reliable, but it works on most Linux systems.

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