Tech Couch

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

Browse category linux

Modern linux networking basics

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

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

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

Brute-forcing logins with hydra: Attack and defense

How an attacker would crack a login, and how to protect against it

A Practical Guide to Linux Disk Encryption

Keeping disk contents safe from prying eyes

Editing files with nano

Terminal file-editing made easy

Understanding bash stream redirection

Controlling the flow of data in and out of programs