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Embracing a lifelong passion for technology since childhood, CJ delved into the intricate workings of systems, captivated by the desire to understand the unknown. This innate curiosity led to his discovery of Linux, a revelation that resonated deeply. With more than 7 years of on the job experience, he's honed his technical skills as a Geek and Senior Linux Systems Administrator.
When working from a graphical interface such as Gnome and KDE, are you putting spaces in the filename or directory names? Did you know that doing so will make it harder to work with the files from the command line on UNIX like systems? In this post, we are going to explore this in depth […]
In this post, we will look at one of the sub-commands that are part of git, the git switch command. Before we get into things, though, let me clarify a few things. Git is a distributed version control system primarily used for tracking changes in source code during software development. A branch is a separate […]
Docker allows you to containerize your applications, making it rather easy to distribute the entire software stack needed for applications to run. Have you decided you no longer have a need for docker on your Ubuntu system and would like to remove it completely? If so this post is for you, as we will go […]
In this blog post, we look at another everyday Linux command line tool, the mv command. The mv command in Linux is used for moving files and directories from one location to another. It is part of GNU coreutils so not only will you find it on Linux, but you will also find it on […]
Do you use Iptables and are looking to check the loaded rules? In this post, we first touch on some background, such as how to make sure you aren’t using a firewall frontend, and then get into checking firewall rules. In this post, we will touch on a few different ways of checking iptables rules […]
Are you trying to unmount and getting this message? Typically, the cause of this is that something is trying to access data stored on the disk. In this post we will look at what this message means, and solutions so you can resolve the error message. What Is The Umount Command The umount command is […]
Although you can use traditional screen recording software to capture your screen, there are better solutions. I’m introducing Asciinema, a tool specifically made to record terminal sessions. What makes this tool better, you ask? In this blog post, we will discuss that very thing, from features to how to install, record, and playback the recordings, […]
Have you encountered the following error message “Name or Service Not Known” while working on your Linux system? If so you have come to the right place. In this post, we will explore what this message means, what could cause this message, and different solutions to those issues. Understanding The Error Message This error occurs […]
Most readers have heard likely heard of services like speedtest.net, fast.com, or speed.cloudflare.com used to test internet speed also known as network bandwidth. The downsides of services like these is that they reply on your internet connection and more often than not a web browser. If we flip both these and are looking for a […]
Wireshark is a cross-platform network protocol analyzer that lets you interactively capture and view network packets. Although this is a rather advanced topic, for those in the know it allows them to capture network traffic as it travels across the network. You can even save those captures for later analytics. This tool may be utilized […]