Ubuntu Server & Desktop tutorials, LTS release notes and day-2 ops.
23 posts
Full reference for managing Linux users from the command line — create, sudo, SSH keys, groups, disable, delete, service accounts and bulk scripts.
Install Netdata on Ubuntu for per-second server metrics. Install, bind to localhost, SSH-tunnel the dashboard, ship alerts to Discord.
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.
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.
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.
Your server has been running fine for three months. Then one morning nothing works — SSH is slow, services throw errors, disk at
You have a script or app that needs to run permanently, restart on crash, and start on boot. Here's how
Every sysadmin has a "before I set up proper backups" story. Here's how to stop having that story.
Valheim dedicated server on Ubuntu via SteamCMD. Systemd unit, port 2456-2458, the SteamAppId thing that trips everyone up, backups that actually survive crashes.
Lock down SSH on Ubuntu: key-only auth, no root login, MaxAuthTries, AllowUsers, fail2ban. sshd_config reference and gotchas.
Install Palworld dedicated server on Ubuntu via SteamCMD. systemd autostart, PalWorldSettings.ini, UFW port 8211/udp, backup.