brown hourglass with blue sand on shore next to sea.

Making and Running Cronjobs in Systemd

Ever need to make cronjobs under systemd? Here’s how to do so easily, with and without timer and service files.

October 8, 2016 · 2 min · Matt Bagley
brown cave near body of water during daytime.

Create an Encrypted Swap File or Device

Did you know that your swap can contain sensitive information? Here’s some ways to encrypt it to keep it from falling into the wrong hands.

September 26, 2008 · 7 min · Matt Bagley · Updated Oct 20, 2020
brown rock formation near body of water during daytime

Security Enhanced Linux (SELinux)

What is SELinux and some basics on how to use it.

May 2, 2008 · 5 min · Matt Bagley · Updated Aug 22, 2016