Tech insights & updates

Running everything as root is a security accident waiting to happen. This guide shows you how to create a dedicated sudo user on Ubuntu, lock down root login over SSH, and verify everything works.

Learn how to schedule scripts and commands on Ubuntu with cron and crontab — from the five-field schedule syntax to logging, locking, and real-world automation examples.

Learn how to install and use tmux on Ubuntu: split your terminal into panes, detach sessions that survive dropped SSH connections, and manage it all from one window — with a full cheat sheet.

Just got a fresh Ubuntu 24.04 VPS? Do these 8 things first: create a sudo user, set up SSH keys, harden SSH, enable the firewall, automatic security updates, and fail2ban.

Set up SFTP on Ubuntu 24.04 in about 10 minutes: dedicated SFTP-only users locked inside a chroot jail, key-only login, and fixes for the errors everyone hits.