Something posted by Luke R
Does Linux Need Antivirus?
Back in May of 2017, in the wake of the WannaCry ransomware episode, I published an article outlining the major security advantages that Linux has […]
Luke R
DNF Update Information – Fedora/CentOS 8
The Fedora operating system comes with an updated version of the famous yum package management utility, called “DNF“. DNF stands for “Dandified YUMâ€, and it […]
openSUSE Leap 15 is here!
openSUSE Leap 15 is here! (download the iso) openSUSE has always been my favorite Linux distribution I’ve written extensively about the advantages that come from […]
The caret is mightier than the up arrow
I learned a fun bash trick about a week ago that I thought I would share. In a bash shell you can use the caret […]
Lets talk about Containers
So, lets talk about containers. Lately, I’ve been spending quite a bit of my time trying to learn as much about containers as I can. […]
Working with logical Volumes (part 3)
Following this tutorial assumes that you have followed along with the other two parts in this series. However, if you already have some familiarity with […]
Working with logical volumes (part 2)
In this post I want to cover one of the most commonly used features of lvm, extending a logical volume. If you were following along […]
Linux Server won’t restart
Not too long ago I ran into a problem where a server with systemd would not shutdown or reboot through normal means. When executing  sudo shutdown […]
Working with logical volumes (part 1)
Part one of working with logical volumes will cover the basic’s involved in creating logical volumes. TL;DR For those of you who just want the […]
Open multiple files with vim
There are many instances when it’s useful to have multiple files open in vim, but if you aren’t familiar with this tool you can find […]
How to RTFM (Read the *#&@ Manual)
Finding help with Linux If you hang out in enough Linux forums asking questions sooner or later someone will tell you to read the manual […]
RPM package queries
This post is just a quick walk-through of some basic commands to help you find information about rpm packages. These commands will work for any […]
OpenSUSE patch vs update
If you dig into the man pages for zypper, you will notice that zypper provides three distinct options for keeping your OpenSUSE system up-to-date; update […]
Satellite 6 Duplicate Host Names with Puppet
Satellite 6, Red Hat’s patch, configuration, and deployment management one stop shop solution is a powerful tool. It is also a formidable and complicated piece […]
Linux Security
Linux is not a bulletproof operating system, no doubt flaws, vulnerabilities, and exploits exist at this very moment that are unidentified and unpatched. It’s also very […]
Working with Linux Files – Access Control Lists
In the last post, we looked at basic file permissions. The ideas covered in that post are probably enough to get you through a large portion […]
Working with files in Linux – File Attributes
In the previous two posts, we’ve looked at file permissions and access control lists. Today let’s take look at file attributes. Whereas, permissions and ACL’s deal with user […]
Working with files in Linux – Permissions
Over the next few posts I’ll be covering three basic elements of files in Linux: Permissions ACL’s (Access Control Lists) File Attributes The ls command […]
Search and replace with Vim and Sed
Using search and replace is a great way to save time when editing large files in Linx. Becoming proficient with this task will increase your […]
Command not found!
So you’re running through some instructions to configure software on your system, or troubleshoot some problem with a service and you see an error at […]