Posts by Guoan Xiao (Admin)

550 Mail Content Denied

How To Solve 550 Mail Content Denied Error

If you are running your own mail server and send emails to your mailing list, you may have encountered “550…

lemp stack on Fedora

Install LEMP Stack On Fedora22/23 (Nginx, MariaDB, PHP-FPM)

This tutorial will show you how to install LEMP stack on Fedora22/23. Specifically We are going to install Nginx Web…

ngx_pagespeed

Install Nginx PageSpeed Module on Ubuntu 22.04/20.04 Server

ngx_pagespeed is an open-source Nginx module that automatically applies best practices to optimize website front-end performance. In this tutorial, I…

upgrade to php7

Upgrade to PHP7 on Linux Server (Ubuntu & Debian)

PHP7 is finally out on 3rd December. Although many Linux distributions are busy packaging PHP7 to their repository and you…

what is slug in wordpress

What is Slug in WordPress

When we write a post in WordPress, first we write a title. Your title may be: My First Awesome Post.…

install drupal 7 on centos 7

How to Install Drupal 7 on CentOS 7 With LEMP

In a previous tutorial, I showed you how to install LEMP on CentOS 7 Server. Now If you want to…

install lemp stack on centos

Install LEMP stack (Nginx, MariaDB, PHP-FPM) on CentOS7 Step by Step Guide

LEMP stands for Linux, Nginx (Pronounced engine X), MySQL/MariaDB and PHP. It enables a server to host dynamic website and…

su command

Linux Security: Control access to the su command

By default, all users on a Linux distribution can use the su (switch user) command to become another user during…

wordpress sitemap 404 not found

WordPress Sitemap 404 Not Found Error with Nginx

Sitemap 404 Not Found If you are using Nginx as your web server and install the Google XML Sitemap plugin…