Ubuntu, Debian and general Linux server setup, services, networking and hardening.
35 posts
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.
BungeeCord is a proxy that sits in front of multiple Minecraft servers and lets players switch between them without disconnecting. One IP,
Most guides tell you to run Minecraft in a screen session and call it done. That works until the server reboots and
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.
Copy-paste AI prompt templates for the tasks sysadmins do every week — disk checks, service monitoring, user exports, log analysis, game server units and more.
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.