Enterprise Operating Systems

Troubleshooting and Guides for: Microsoft Server, Linux, and VMware

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Dell Hardware/Software Guides

Dell Servers – PowerEdge, Blades, and Cloud
integrated Dell Remote Access Controller (iDrac)
OpenMange Server Administrator (OMSA)

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Scripting Guides

PowerShell, Bash, JSON, and Python Scripting Guides

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How To Completely Uninstall PostgreSQL

crtechtipsMar 2, 20205 min read

Introduction If you’re using PostgreSQL, you may need to remove the package from your system at some point. It’s important to know how to uninstall PostgreSQL properly to make sure all components of the package are completely removed and you…

How to Install PostgreSQL on CentOS 7

crtechtipsMar 2, 20207 min read

PostgreSQL is a powerful and open source relational database platform. It’s scalable across multiple platforms and is a widely used and well-loved tool. In this tutorial, we’ll show you how to install PostgreSQL on CentOS 7! How Does PostgreSQL work?…

How to Install XRDP on CentOS 7

crtechtipsMar 2, 20202 min read

What XRDP is and How to Install XRDP on CentOS 7 For the uninitiated, RDP stands for Remote Desktop Protocol. And just like the expanded form suggests, it’s a protocol for a machine to accept remote desktop connections from other…

How to Change SSH Port in CentOS 7

crtechtipsMar 2, 20202 min read

Why would one want to change the default SSH port? Does it make your server more secure? In a sense, it does. Changing the default port means that attackers get nothing by attacking the default port 22. While that’s not…

How to Install HTOP on Linux CentOS 7

crtechtipsMar 2, 20203 min read

Introduction to Installing htop on CentOS 7 Many sysadmins know about top, the standard process management and activity monitor that comes on most Linux systems. But there are times when top does not provide the information you’re really looking for, or…