OpenSSH is one of the most popular tools that uses SSH protocol for secure system administration, file transfers, and other communication across the Internet. It is free and used by system administrators to manage remote systems. OpenSSH runs on port 22 and it is the first target of a hacker. So you may need to harden your OpenSSH server to protect it from hackers.
how to
How to install YOURLS on Centos 7
We’ll show you, How to install YOURLS on Centos 7. Your Own URL Shortener or simply YOURLS is very useful set of PHP scripts that will allow you to run your self-hosted URL shortening service. In this tutorial we will install and configure YOURLS on a CentOS 7 VPS with Apache web server, MariaDB and PHP, which is pretty fast and straightforward.
How to Change WordPress Site URL
In this tutorial we are going to show you How to Change WordPress Site URL. WordPress site administrators every now and then need to move an existing site under a new domain name and the site may not work properly after the migration if the WordPress site URL is not updated to match the new domain name. In this tutorial we will show you few methods about how to change the site URL in WordPress on a Linux Virtual Private Server.