Posts by Guoan Xiao (Admin)

Request Entity Too Large

413 Request Entity Too Large Error – An Easy Solution

Today I was trying different themes on one of my WordPress website. I downloaded many themes on my computer before.…

nginx mainline branch on ubuntu

How to Install Nginx Mainline on Ubuntu Server

Nginx has two branches: mainline version and stable version. It is recommended that in general you deploy the NGINX mainline branch…

google analytics

How to Install Google Analytics on WordPress without a Plugin

Goolge Analytics is a free and powerful tool to analyse your website visitors.  Google Analytics tracks your website traffic and…

youtube-dl

How to Install and Use Youtube-dl on Linux

Youtube-dl is a fantastic tool for downloading videos. I use it nearly everyday to download my favourite channel videos, playlists…

Let's Encrypt

An Overview of HTTPS Encryption and Let’s Encryption on Nginx Deployment

    An Overview of HTTPS Encryption The Acronyms There are a lot of acronyms around encryption. Below is just…

Add Google Custom Search to WordPress

How to Add Google Custom Search to WordPress Site

In this tutorial, I’m going to show you how to create a custom Google search engine that you can embed…

shadowsocks command line client

Install And Use Shadowsocks Command Line Client on Linux

In a previous post, I showed you how to build a shadowsocks server on your own server and install the…

shadowsocks server

Set up Your Own Shadowsocks Server On Debian, Ubuntu, CentOS

Shadowsocks is an open source socks5 proxy that can be used to bypass firewall and unblock websites. Originally developed by…

rc.local with systemd

How to Enable /etc/rc.local with Systemd

If you are running a Linux distro that uses Systemd, then you may find that your command in /etc/rc.local file…

Backup and Restore WordPress Site without A Plugin

Back Up and Restore WordPress Site on Linux Server without A Plugin

In a previous tutorial, I showed you how to install WordPress on Linux server. In this article, I will show…

OpenDMARC-Postfix-Debian

Set Up OpenDMARC with Postfix on Debian to Block Spam/Email Spoofing

In previous articles, we discussed several effective tips to block email spam. This tutorial will be showing you how to…

Change the Default Torrent Program on Linux

How to Change the Default Torrent Program on Linux (Ubuntu Gnome)

Sometimes you installed a new torrent client such as Deluge, or qBittorrent on your desktop Linux, but you don’t know…

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…