Linux & Server
How-To Guides
Step-by-step guides from certified engineers covering server setup, security hardening, performance tuning and troubleshooting — updated from 2016 to present.
How to Set Up Redis on CloudPanel
Enable and configure Redis object caching on CloudPanel for WordPress and PHP applications.
How to Configure Nginx for High Traffic
Tune Nginx to handle high traffic — worker processes, connections, buffers and system limits.
How to Migrate from CentOS to AlmaLinux
Migrate from CentOS 8 to AlmaLinux 8 using the official migration script — zero data loss, minimal downtime.
How to Set Up Varnish Cache with CloudPanel
Configure Varnish Cache with CloudPanel for WordPress — VCL rules, cache purging and WordPress integration.
How to Fix Server Out of Memory (OOM) Errors
Fix Linux OOM killer events — identify memory hogs, add swap space and tune swappiness.
How to Configure MariaDB 10.4 on Ubuntu
Install and configure MariaDB 10.4 on Ubuntu — InnoDB tuning, user management and replication setup.
How to Set Up Automated Server Backups to AWS S3
Automate server backups to Amazon S3 using s3cmd and cron — databases, files and log archiving.
How to Secure WordPress wp-config.php
Lock down wp-config.php — move it above webroot, set correct permissions and add security keys.
How to Set Up PHP 7.4 on Ubuntu 20.04
Install PHP 7.4 on Ubuntu 20.04 — preloading, typed properties and OPcache configuration.
How to Fix Nginx 504 Gateway Timeout Error
Fix Nginx 504 Gateway Timeout — increase PHP-FPM timeout, Nginx proxy timeouts and worker settings.
How to Set Up WordPress on CloudPanel
Create a WordPress site in CloudPanel — site creation, PHP settings, SSL and performance tuning.
How to Install CloudPanel on Ubuntu 20.04
Install CloudPanel on Ubuntu 20.04 — the free modern server control panel built on Nginx and MariaDB.
How to Set Up a Vultr VPS Server
Create and configure a Vultr VPS from scratch — server creation, initial setup, security and LEMP stack.
How to Migrate from Apache to Nginx
Migrate your web server from Apache to Nginx — convert .htaccess rules, configure server blocks and test.
How to Set Up AWS EC2 Instance for WordPress
Launch and configure an AWS EC2 instance for WordPress — instance setup, security groups and LEMP stack.
How to Fix MySQL Replication Issues
Diagnose and fix MySQL replication lag, broken replication and slave errors on Linux servers.
How to Set Up Ubuntu 18.04 Server from Scratch
Complete Ubuntu 18.04 server setup — users, SSH keys, firewall, Fail2Ban and automatic updates.
How to Configure Cron Jobs on Linux Server
Create and manage cron jobs for automated task scheduling — syntax, examples and monitoring.
How to Set Up a Hetzner Cloud Server
Create and configure a Hetzner Cloud server from scratch — server selection, Ubuntu setup and security.
How to Fix WordPress 500 Internal Server Error
Diagnose and fix the WordPress 500 Internal Server Error — check logs, deactivate plugins and fix permissions.