Change swappiness to use RAM instead of the swapfile

Swappiness can be thought of as the point that KDE neon decides to stop keeping files in RAM (fast memory) and start writing them to a swap file on the hard drive (slow memory).

Unfortunately the defaults for KDE neon treat it the same as the defaults for a server with swappiness set to 60. A better swappiness for the desktop/laptop is 10.

To edit the swappiness, open up Konsole and type,

sudo nano /etc/sysctl.conf

This will open the sysctl.conf file in nano. At the end of that file insert the line,

vm.swappiness = 10

And save it.