Tech Couch

A Comfy Corner for Software, Security, Cloud, and AI

Browse category server admin

Common pitfalls running docker in production

Avoiding the mistakes many make when embracing containerized deployments

Modern linux networking basics

Getting started with systemd-networkd, NetworkManager and the iproute2 suite

Understanding how RAID 5 works

Striking a balance between fault tolerance, speed and usable disk space

A practical guide to filesystems

Picking the best option to format your next drive

A primer on LVM

Making the most of your storage devices

Automated security hardening on RockyLinux with OpenSCAP

Securing enterprise linux in less than a minute

Choosing the right RAID setup

Making sense of pros and cons for RAID configurations

A gentle introduction to systemd

A broad overview of systemd components and features

Understanding permissions on linux files and directories

Defining who can access what on the filesystem

Managing users on linux

A guide on users, groups and authentication