Guides & tutorials
Practical tutorials to install, configure and troubleshoot your server, written from the questions that come up most often in our support tickets.
Configure an SSH key on a Linux VPS without losing access
Learn to configure an SSH key on a Linux VPS, test access and harden sshd without locking yourself out of the server.
Configure a secondary IP on a Linux VPS
Learn how to add, test and make a secondary IP persistent on a Linux VPS without losing network access.
Identify zombie processes on a Linux game server
Learn to spot zombie processes on a Linux game server, measure their impact, and carefully diagnose their parent process.
Diagnose disk I/O on a Linux VPS with iostat
Learn to diagnose disk I/O saturation on a Linux VPS with iostat, await, aqu-sz and %util without confusing storage and memory.
Limit SSH connection attempts on a Linux VPS
Reduce repeated SSH attempts on a Linux VPS without locking yourself out: logs, keys, Fail2ban and a verification checklist.
Increasing the open file limit on a Linux game server
Learn how to check and properly increase the open file limit of a Linux game server using ulimit, systemd and Docker.
Diagnosing inode exhaustion on a Linux VPS
Learn how to diagnose inode exhaustion on a Linux VPS, locate small files and clean up a game server without unnecessary risk.
Increase the process limit of a Linux game server
Learn to check and cleanly raise the process limit of a Linux game server with systemd, Pterodactyl or Docker.
Diagnosing CPU overload on a Linux game server
A practical method to identify CPU overload on a Linux game server, analyze processes and fix the cause without acting blindly.
Configuring swap on a Linux VPS for a game server
Learn how to check, create, enable and monitor a swap file on a Linux VPS to limit memory-related outages of a game server.
Migrating a Linux game server to a new VPS
Method for migrating a Linux game server to a new VPS: backup, transfer, testing, DNS cutover and rollback.
Analyzing a Linux game server's logs with journalctl
Learn to analyze a Linux game server's logs with journalctl to find an error, track a systemd service and structure a reliable diagnosis.
Update a Linux game server without losing its configuration
Learn how to update a Linux game server without losing its configuration with a verified backup, controlled maintenance and a rollback checklist.
Automatically detecting when a Linux game server is down
Learn how to monitor a Linux game server, detect a stopped service and receive an alert without exposing your secrets.
Set up a whitelist on a Minecraft server
Learn how to enable a Minecraft whitelist, authorize players, revoke access, and verify your server configuration.
Open game server ports on Linux with UFW
Learn how to open TCP and UDP ports on a Linux game server with UFW, preserve SSH, and verify firewall rules.
Reduce memory usage of a Linux game server
A careful method to measure RAM, spot memory-hungry processes and reduce memory pressure on a Linux game server.
Monitor Linux VPS disk space before it fills up
Learn how to monitor Linux VPS disk space, find large directories, and prevent disk full before an outage.
Install Hermes Agent on a Linux VPS
Full guide to installing Hermes Agent, the open-source self-hosted AI agent by Nous Research, on a Linux VPS with Docker: setup, ports, security.
Installing ESX Legacy on a FiveM server
Step-by-step tutorial to install and configure ESX Legacy on your FiveM server: database, oxmysql, server.cfg and the most common errors.
How to Catch Rare and Legendary Pals in Palworld
Pal Spheres, status effects, legendary Pals: the real method for catching rare Pals in Palworld, no invented shortcuts.