Linux Shell Scripting Tips

From time to time one of my students will ask me to take a look at one of their shell scripts that they are having trouble with. If you know anything about me at all, you know that I love three things. Linux, troubleshooting, and shell scripting. (Make that four things… teaching my love of … Read more

Installing an SSL Certificate on CentOS Running Apache

See below to download the step-by-step instructions for this tutorial. It includes all the commands and everything you see in the video. Introduction to Installing an SSL Certificate on CentOS In this video lesson, you’re going to learn how to install a valid SSL certificate on a CentOS Linux Server running the Apache web server. … Read more

Systemd Cheat Sheet

Viewing Systemd Information systemctl list-dependencies : Show a unit’s dependenciessystemctl list-sockets : List sockets and what activatessystemctl list-jobs : View active systemd jobssystemctl list-unit-files : See unit files and their statessystemctl list-units : Show if units are loaded/activesystemctl get – default : List default target (like run level) Working with Services systemctl stop service : … Read more