In September, critical vulnerabilities were discovered in RouterOS that allow remote administrative access to the system. This cheat sheet covers the practical step-by-step process of updating RouterOS.

In a previous post, we installed the Debian GNU/Linux operating system. Keeping systems secure and stable requires regular updates. Below is a quick cheatsheet with commands for Debian- and RHEL-based distributions.

The Linux kernel automatically frees up memory by dropping stale data and caches to maintain optimal performance. Manual cache clearing is rarely necessary, but when needed, it can be done with a few simple commands.