Documentation
Find answers, guides, and step-by-step tutorials for every DeluxHost service.
Find answers, guides, and step-by-step tutorials for every DeluxHost service.
How to manage IP addresses, reverse DNS and network interfaces from VirtFusion panel
How to change your server's root password and how to recover it if forgotten
What to do immediately after activating your VPS or VDS
How to generate and configure SSH keys for secure password-less access
How to connect to VPS via SSH with PuTTY and manage files with FileZilla on Windows
How to use FTP and SFTP to transfer files, with differences, setup and recommended clients
How to properly restart your VPS or VDS, both via SSH and from the control panel
How to check CPU, RAM, disk and network on your server in real time
How to check disk space, find large files and free up disk space
After expanding the VPS disk from the panel, extend the partition and filesystem without losing data.
How to protect your server data with snapshots and backups
How to read, search and manage server logs with journalctl and traditional log files
How to manage Linux processes and systemd services, find what consumes resources and kill stuck processes
How to change the server hostname and correctly update all configuration files
How to create and configure a swap file to prevent crashes from out-of-memory on Linux VPS
Kernel, network and system optimizations to improve Linux VPS performance
How to create additional users, assign sudo permissions and manage server access
How to configure automatic backups to cloud storage (Backblaze B2, S3, Google Drive) using rclone
How to configure logrotate to automatically rotate, compress and delete logs on your VPS
Configure automatic time synchronization on your VPS with Chrony or systemd-timesyncd.
Measure your VPS performance: CPU, RAM, disk I/O, network and latency. Practical tools to compare plans.
Bash aliases, functions and configurations that speed up daily work on Linux servers. Shortcuts for navigation, logs, docker and SSH.
How to download large files from Google Drive directly to a Linux VPS via terminal, bypassing the 100MB limit and confirmation redirects.
Use systemd timers to schedule periodic tasks. More reliable than cron: integrated logs, dependencies, error handling and automatic retries.
Checklist of fundamental security operations to secure a new VPS before putting it into production
How to install and configure Fail2ban to protect your server from SSH and web brute force attacks
How to change SSH port to reduce automatic brute force attempts from bots and scanners on the internet
How to manage Linux users, groups and file permissions on your server
How to configure automatic security updates on Debian, Ubuntu and CentOS
How to limit SSH or RDP access to a single IP with iptables/ipset, with warnings about access loss
How to configure HSTS, CSP, X-Frame-Options and other security headers on Nginx, with A+ SSL
How to capture and analyze traffic during a DDoS attack to identify the type and origin
Detect rootkits and viruses on your VPS with rkhunter and ClamAV.
Install CrowdSec as a modern alternative to Fail2ban. Block malicious IPs in real-time thanks to shared threat intelligence from the community.
How to view and manage your server's IP addresses
How to configure your server's firewall with UFW or iptables
How to configure your server's DNS and point a domain to your VPS
What reverse DNS is and how to configure it for your IP
How to install and configure WireGuard to create a personal VPN on your Linux VPS
Securely access remote services with SSH tunnels. Local, remote and dynamic forwarding explained with practical examples.
How to check bandwidth consumption and network traffic on your server with vnstat, iftop and nethogs
How to identify and block malicious IPs, brute force attacks and basic DDoS at the firewall level
Enable and configure IPv6 on your VPS. Add addresses, firewall and connectivity test.
Use MTR to diagnose network problems like packet loss, high latency and anomalous routing. Complete guide with result interpretation.
How to install, update and remove software on your Linux server
Installation and basic configuration of Nginx on your server
Installation and basic configuration of Apache on your server
How to configure Nginx to act as a reverse proxy towards Node.js, Python, and other services
Configure Nginx to distribute traffic between multiple backend servers. Algorithms, health checks and SSL termination.
Install and configure HestiaCP on your VPS. Manage domains, email, databases and SSL from web interface.
Installation and basic management of MySQL or MariaDB on your server
How to install PostgreSQL on Linux, create databases and users, and configure remote access
How to install and configure Redis on your VPS for caching, sessions and message queues
How to install and configure phpMyAdmin on Ubuntu/Debian with Nginx or Apache, with secure access
How to transfer files to and from the server via SCP, SFTP and rsync
How to schedule commands and scripts to run automatically at regular intervals
How to install Docker on your VPS and use it to deploy applications in containers
How to use Docker Compose to orchestrate multi-container applications on Linux VPS
How to use tmux and screen to keep processes active on the server even after SSH disconnection
How to install and configure a complete LEMP stack to host PHP websites
How to install and configure WordPress on a VPS with LEMP stack (Nginx + PHP + MariaDB)
How to install Node.js, deploy an application and keep it always running with PM2
How to deploy Python Flask or Django applications on VPS with Gunicorn and Nginx
How to install Java on Linux and Windows Server, manage multiple versions and configure JAVA_HOME
How to configure automatic deployment on VPS via git push, GitHub/GitLab webhook or CI/CD
Install Portainer to manage Docker containers, stacks, volumes and networks via web interface. No more CLI for daily operations.
Configure Traefik as reverse proxy for your Docker containers. Automatic Let's Encrypt SSL, dynamic routing and integrated dashboard.
Configure BorgBackup for automatic, incremental and compressed backups of your server. Much more efficient than rsync for frequent backups.
Install Pterodactyl to manage game servers (Minecraft, FiveM, Rust, CS2 and others) via web interface with users, permissions and limited resources.
Complete guide to recover server access when locked out, with step-by-step instructions from VNC Console
What to do when server is not responding or you can't connect via SSH
What to do when website is not responding, shows errors, or is unreachable
What to do when server disk is full and how to free up space quickly
How to identify and resolve high CPU or memory usage problems
Diagnosis and fix when server is slow, process gets killed, or RAM is exhausted. Includes swap and optimizations.
How to resolve common SSH access errors
How to diagnose and fix a Linux service that won't start or crashes continuously
Why emails from server end up in spam or don't arrive, and how to fix it
Solutions to frequent Windows VPS errors - expired license, missing DLLs, locked account, firewall and more
How to fix 'Cannot prepare internal mirrorlist - No URLs in mirrorlist' on CentOS 7/8 and AlmaLinux
Your site shows 'Certificate not valid' or 'Connection is not private'? Guide to renewing Let's Encrypt certificates and preventing with automatic renewal.
MySQL or MariaDB won't start or shows corrupted table errors? Guide to recovery with mysqlcheck, myisamchk, InnoDB crash recovery and emergency backup.
/boot partition full and apt can't update? Safely remove old Linux kernels to free space.
Optimizations and tweaks to improve Windows Server VPS performance
How to set English as primary language on Windows Server VPS
Complete guide to Remote Desktop on Windows Server - connection, port change, multiple simultaneous users and troubleshooting
Install and configure IIS (Internet Information Services) on Windows Server. Hosting websites, ASP.NET, PHP and SSL management.
Configure Windows Firewall on Windows Server via PowerShell and GUI. Open ports, block connections and manage rules.
Install Microsoft SQL Server on Windows Server, manage databases, users and backups. Basic configuration for web applications and business systems.
Create and manage automated tasks on Windows Server with Task Scheduler. Windows equivalent of Linux cron for backups, scripts and maintenance.
How to install and configure a Counter-Strike 2 dedicated server on Linux VPS with SteamCMD
Create a dedicated Palworld server on Linux with SteamCMD. Configuration, ports and automatic startup.
Install and manage a Rust server (Facepunch) on Linux with SteamCMD. Includes automatic updates, Oxide plugins and optimizations.
Install a Valheim dedicated server on Linux with SteamCMD. Configuration, password, cross-play and automatic update.
Install a Terraria server on Linux with TShock. Plugin management, permissions, banning and advanced configuration.
Install and run a Sons of the Forest dedicated server on Windows (native) or Linux (Wine)
Install and run a Space Engineers dedicated server on Windows (native) or Linux (Wine)
Complete guide to protecting a FiveM server from DDoS, exploits and abuse. Configuration sv_requestParanoia, endpoint protection, proxy and best practices.
Guide to sections and features of VirtFusion control panel to manage your VPS
How to access server via console even when SSH doesn't work
How to reinstall or change OS on your VPS via VirtFusion panel
How to boot and use Rescue Mode in VirtFusion to recover inaccessible server
How to add and manage SSH keys from VirtFusion panel
How to create, manage and restore server backups and snapshots from VirtFusion panel
How to read and interpret resource usage graphs in VirtFusion panel
How to connect to your VPS/VDS via SSH from Windows, Mac and Linux
What to include in a ticket for quick and effective support resolution
How to transfer an existing Linux or Windows VPS from another provider to DeluxHost without losing data
How to install Netdata to monitor CPU, RAM, disk and network of your VPS in real time via browser
How to enable two-factor authentication for SSH on Linux using Google Authenticator or Authy
Harden your HTTPS configuration with modern cipher suites, HSTS, and OCSP stapling
Generate a wildcard SSL certificate for *.tuodominio.com using Certbot and DNS challenge
How to configure Cloudflare with your VPS for DNS, proxy, DDoS protection and free SSL
Install and configure an OpenVPN server on Linux. Securely connect your devices and access the server's private network remotely.
How to install a free SSL certificate with Certbot on your server
How to install Uptime Kuma to monitor websites and services with notifications on Telegram, Discord, email and more
Install Prometheus and Grafana to monitor CPU, RAM, disk and network of your VPS with visual dashboards and alerting.
Install Coolify to deploy Node.js, PHP, Python, Docker and static site applications directly from Git with automatic SSL. Free alternative to Heroku and Vercel.
Install Vaultwarden (Bitwarden self-hosted) on your VPS. Manage passwords, secure notes and 2FA privately with official Bitwarden clients.
Resolve slow SSH connections, timeouts and frequent disconnections. Diagnosis and fix in minutes.
How to diagnose and fix HTTP 502, 503, and 504 errors on Nginx and Apache
Diagnose and fix inode exhaustion when df shows space but you can't create files
Enable the slow query log in MySQL/MariaDB and identify bottleneck queries
Diagnose and fix permission denied errors on Linux servers
How to manually open the necessary ports for a FiveM server on Windows Server
How to install and configure a Minecraft server (Vanilla, Paper, Spigot) on Linux VPS
How to install and configure a TeamSpeak 3 server on Linux VPS
Install and configure a Project Zomboid dedicated server on Linux
Install and configure a DayZ dedicated server on Linux
Install and configure a 7 Days to Die dedicated server on Linux
How to install and configure an ARK: Survival Ascended dedicated server on Linux using Proton/Wine
Install and configure an Arma 3 dedicated server on Linux with mods
Install and run a Conan Exiles dedicated server with Windows (native) or Linux (Wine)
Install and configure a V Rising dedicated server with Windows (native) or Linux (Wine)
Install and configure a Satisfactory dedicated server on Linux or Windows
Install and configure a Left 4 Dead 2 dedicated server on Linux or Windows
Install and configure a Garry's Mod dedicated server on Linux with addons and gamemodes
Host a Factorio dedicated server on Linux or Windows
Host an Unturned dedicated server on Linux or Windows
Host an SCP: Secret Laboratory dedicated server on Linux or Windows
Host a Hell Let Loose dedicated server on Windows
Host an Insurgency: Sandstorm dedicated server on Linux or Windows
Host a Mordhau dedicated server on Linux or Windows
Host a Barotrauma dedicated server on Linux or Windows
Host a Chivalry 2 dedicated server on Linux or Windows
Host an Eco dedicated server on Linux or Windows
Host a Path of Titans dedicated server on Linux or Windows
Host a Starbound dedicated server on Linux or Windows
Host an Avorion dedicated server on Linux or Windows
Host a The Isle dedicated server on Linux or Windows