It used to be that building the Linux kernel was not easy. Testing and debugging were even worse. Nowadays, it is reasonably easy to build a custom kernel and test or debug it using virtualization.

A look into what causes kernel panics and some utilities to help gain more information. Working in a Linux environment, how often have you seen a kernel panic? When it happens, your system is left in ...

Believe it or not, the mitigations for the Spectre-class of CPU vulnerabilities are now some of the biggest enemies of system administrators. Despite being security-focused patches, these mitigations ...