Linux – Page 15 – ITFROMZERO

Managing Users and Permissions on Linux: Practical Tips for Beginners

By admin March 1, 2026

A comparison of useradd vs adduser, octal vs symbolic chmod, and how to configure sudo safely on Linux. Practical insights from 3 years of VPS management — helping beginners avoid the most painful user and permission mistakes.

Linux

How to Use tmux: Managing Multiple Terminals and Keeping Sessions Alive When SSH Drops

By admin February 28, 2026

tmux is a terminal multiplexer that lets you manage multiple terminals within a single SSH window and keep sessions alive even after losing your connection. This guide covers installation, essential shortcuts, and practical workflows for developers working with Linux servers.