How to read and change the value of kernel parameters using sysctl -

Sysctl is an utility installed by default in all modern Linux distributions. It is used both to read and write the value of kernel parameters at runtime; the available parameters are those listed under the /proc pseudo-filesystem, and specifically under the /proc/sys directory. In this article we learn how to use this utility, how to make changes persist a reboot, and how to load settings from a file “manually”.

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