Tags: #sysadmin

DrunkLeen

28 Dec 2025
#sysadmin#linux

Linux kernels: when the names multiply and the meaning gets lost

This post breaks down the different Linux kernel variants—Mainline, LTS, Zen, Hardened, and WSL2—and explains why they are often misunderstood. Instead of treating them as interchangeable options, it shows how each kernel is designed for a specific environment and use case, and why choosing the right one depends on where and how Linux is actually running.

19 Nov 2025
#terminal#permissions#linux#sysadmin

A complete guide to the id command in Linux

what the id command shows in Linux, how to view a user’s UID, GID, and groups, and which options are most useful. It also highlights where id helps in real situations—like fixing permission errors, checking user access on a server, or validating script execution.