Category Archives: Guides
Here at RackNerd, we're on a mission to introduce infrastructure stability on a global scale - one server at a time. Learn more about our story and why you should choose RackNerd for your infrastructure as a service (IaaS) needs!



AlmaLinux ELevate – How to Upgrade from CentOS 7 to CentOS 8 Stream, CentOS 7 to AlmaLinux, or CentOS 7 to Rocky Linux

Have you ever wanted to upgrade from CentOS 7 to CentOS 8? How about CentOS 7 to AlmaLinux? Or CentOS 7 to Rocky Linux? None of those were possible or seamless before, and usually involved major system administration effort as a reinstall was usually required. That changes starting today. AlmaLinux today announced their latest project: […]

How to Fix “REMOTE HOST IDENTIFICATION HAS CHANGED” Error When SSH’ing from a MacOS Based Computer

Trying to SSH into your server from a MacOS based computer but running into a fingerprint error, such as this? @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@ @ WARNING: REMOTE HOST IDENTIFICATION HAS CHANGED! @ @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@ IT IS POSSIBLE THAT SOMEONE IS DOING SOMETHING NASTY! Someone could be eavesdropping on you right now (man-in-the-middle attack)! It is also possible that a […]

How to Install Clientexec on a VPS — Clientexec Download & Clientexec Installation

In this video, we’re going to go over how to install Clientexec on a VPS. This video assumes you already have a Linux VPS with full root access, running on Debian 10. In this video, we will show you how to go from nothing, to a VPS running with a full working installation of Clientexec. […]

How To Install Clientexec in Under 2 Minutes – Clientexec Installation & Clientexec Demo

In this video tutorial, we will show you how you can install Clientexec via Softaculous. The process from start to finish takes under 2 minutes! All of RackNerd’s shared and reseller hosting plans come standard with Softaculous Script Installer, allowing you to install Clientexec with just a few clicks as we’re about to demonstrate in […]

How to create or locate default .htaccess file for WordPress

In today’s tutorial, we will walk you through a quick, simple easy guide on how to create or locate your .htaccess file in a shared hosting environment. When you install WordPress on your hosting account, it adds a list of directories to your web server. For example, wp-admin stores the administrative core files, wp-content directory […]