#Ubuntu

#Linux

Installing Docker on Ubuntu the Right Way (Not the Snap Version)

Ubuntu will push you toward the Snap package. Don't. Here's how to install Docker from the official repo and actually have it work.

Apr 23, 2026 · 4 min read

#Linux

Linux User Management — adduser, Groups, sudo and SSH Keys

Full reference for managing Linux users from the command line — create, sudo, SSH keys, groups, disable, delete, service accounts and bulk scripts.

Apr 22, 2026 · 3 min read

#Linux

Netdata on Ubuntu — Live Server Metrics in 5 Minutes

Install Netdata on Ubuntu for per-second server metrics. Install, bind to localhost, SSH-tunnel the dashboard, ship alerts to Discord.

Apr 22, 2026 · 3 min read

#Security

WireGuard VPN on Ubuntu — the Setup I Actually Use

Minimal WireGuard setup on Ubuntu. Server config, one client, UFW rule, QR code for the phone. The version I run on my home-lab jumpbox.

Apr 21, 2026 · 3 min read

#Linux

Set Up Automatic Security Updates on Ubuntu and Debian

Three months later your server is running a kernel from last year. Unattended upgrades fix that — here's the setup, auto-reboot config, email notifications and how to check what actually ran.

Apr 21, 2026 · 2 min read

#Linux

Ubuntu Server Initial Setup Checklist (2026 Edition)

Fresh Ubuntu Server install. Here's the 13-step checklist I run on every new box before it touches any real work — with a one-shot script at the end.

Apr 20, 2026 · 3 min read

#Linux

Linux Log Rotation with logrotate — Before Your Disk Fills Up

Your server has been running fine for three months. Then one morning nothing works — SSH is slow, services throw errors, disk at

Apr 20, 2026 · 2 min read

#Linux

Run Your Own Daemon with systemd — Writing Service Unit Files

You have a script or app that needs to run permanently, restart on crash, and start on boot. Here's how

Apr 20, 2026 · 2 min read

#Linux

rsync Backups That Actually Work — No Excuses

Every sysadmin has a "before I set up proper backups" story. Here's how to stop having that story.

Apr 20, 2026 · 3 min read

#Gameserver

Valheim Dedicated Server on Linux — the One Thing People Get Wrong

Valheim dedicated server on Ubuntu via SteamCMD. Systemd unit, port 2456-2458, the SteamAppId thing that trips everyone up, backups that actually survive crashes.

Apr 18, 2026 · 3 min read

#Security

SSH Hardening Checklist for Ubuntu Servers

Lock down SSH on Ubuntu: key-only auth, no root login, MaxAuthTries, AllowUsers, fail2ban. sshd_config reference and gotchas.

Apr 17, 2026 · 5 min read

#Gameserver

Palworld Dedicated Server on Linux with SteamCMD

Install Palworld dedicated server on Ubuntu via SteamCMD. systemd autostart, PalWorldSettings.ini, UFW port 8211/udp, backup.

Apr 16, 2026 · 4 min read