Linux tutorials for systems administrators and users wanting to manage linux systems, covering various topics such as administration, security, performance tuning, upgrades, and maintenance.
Many bots crawl websites that do nothing to generate positive traffic for the site. They just use up available resources and bandwidth of the server. You can reduce this drastically by implementing blocking using ModSecurity to detect the bad agents and then fail2ban to block them in iptables for a period of time. This guide […]
Caching PHP requests can dramatically reduce server resources per request and make the pages load time decrease substantially. In this tutorial we are going to utilize the fastcgi_cache functions in nginx to cache PHP requests making it. This tutorial assumes you have the following already completed on your server: Nginx installed, if you do not […]
Nginx can be used as a load balancer to multiple back-end web servers using the proxy functions. This guide will cover the basics of configuring the proxy server to pull from the other web servers. It assumes you already have completed the initial install of Nginx. If you do not already have a install please […]
Nginx can as a reverse proxy to Apache. Nginx does best at serving static content extremely fast whereas Apache can process dynamic content and use all of the various Apache modules and .htaccess that are typically the web standard of hosting. This guide assumes you already have a Apache installation and would like to add […]
Introduction Nginx is a high performance web server. ANginx virtual host can be setup to host as many domains as your server can handle. If you have not already please see our guides on Nginx Compile From Source as well as PHP-FPM With PHP7 From Source. These 2 guides will lay the foundation of core services for […]
What is LetsEncrypt? Let’s Encrypt is a certificate Authority that launched in 2016 providing free TSL SSL certificates that renew every 90 days. There are several validation methods for LetsEncrypt to verify the domain you are generating the certificate for is one you actually control. In this guide we will be utilizing the webroot method. […]
What is LVM Logical Volume Managment (LVM) is an abstraction layer between physical devices and the file systems which they create. This can make disk management easier by adding abilities to shrink or expand filesystems by just adding additional physical devices no longer being limited to a single physical device as the volume can span […]