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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.
As time moves forward the servers that support IPv6 grow. Currently, estimates put global adoption somewhere around 30% to 50%. That said like anything else it can be misconfigured, not supported, etc. on different networks. In this post, we will cover how to disable ipv6 on your Ubuntu machine, for those who have run into […]
Have you ever encountered a time when you worked in a remote Linux server and needed to check what was connected to the system’s local PCI Express and PCI buses? To determine what PCI devices are connected one of the simplest ways to do this is using the lspci command. Introduction The lspci command on […]
Have you required a test file or files of a specific size? How about needing to quickly allocate space? If so my first recommendation is the fallocate command. In this blog post, we will explore this command, how it differs from other options, and what else it can do. Introduction The fallocate command is part […]
Have you ever encountered a time when you were working in a remote Linux server and needed to check what was connected to the system over USB? To determine the USB devices connected on Linux the simplest way is using the lsusb command. The lsusb command in Linux is a utility that lists the connected […]
Are you experiencing network problems or packet loss? If so you will need network diagnostics tools like the traceroute, ping, or the MTR command. In this post we will touch on the latter, the MTR command line on Linux. We cover what it is, installation, syntax, how to read the results, flags, and examples using […]
Have you ever needed to monitor a file for changes? Has a file been changing but you don’t know why? If you answered yes to either of those questions, the auditctl is the command you have been looking for. In this blog post, we will explore the basics of how to utilize auditctl to track […]
Do you have a server with software raid and are looking to check its status? If so this article is for you, we will look at how to check the raid array status as well as how to check specific disks in the context of the RAID array. What Is RAID? The term RAID stands […]
Ever thought “How to check Internet Speed via Terminal?” then you are in the right place. In we cover testing internet bandwidth with the speedtest CLI command line application. This provides a command line interface to interact with the speedtest.net service. We start with installation, basic usage, understanding the results, and advanced flags. Introduction To […]
Getting into Linux containers and wondering if you should use LXC or Docker? Then this post is for you. In this post, we will explore what they are, their key features, and the primary use cases of both platforms. Wrapping things up with how to choose the right one for your needs. Introduction Although containers […]
On a Linux-based Based Operating System, like Debian and Ubuntu systems that use the apt or the dpkg package manager you may run into this error. On older systems, this same error can also be displayed as could not lock /var/lib/dpkg/lock resource temporarily unavailable. Typically, package managers install and remove software one package at a […]