What CentOS alternative distro should you choose?

In January 2014, CentOS announced it was officially joining Red Hat while staying independent from Red Hat Enterprise Linux (RHEL) under a new CentOS governing board. However, in December 2020, Red Hat requisitioned that CentOS terminate the development of CentOS 8. They also announced that support would be shifting to a CentOS alternative rolling-release Linux […]

Linux: ncdu and mc to manage large directories

Creating, modifying, and deleting files are everyday tasks performed in any operating system, even more so by Sysadmins, Developers, and Programmers. For the most part, these tasks are fast enough when managing a handful of files. However, on Linux and especially with servers, you may at some time have to manage millions or even billions […]

Checkout these 100% Free tools by Solarwinds

SolarWinds believes observability is about understanding the complete state of your application and infrastructure environment. Developers and support personnel must have comprehensive and consistent infrastructure and application performance metrics, visibility into application performance down to the line of code, the ability to trace service relationships, and a comprehensive view into related logs. With their integrated […]

Observability, Getting Started – 50 Free Access and Open-Source Solutions

This article examines APM and observability solutions and tools. I’ve also included several quotes collected from observability companies who offer easy access to their platforms and composed a list below of noteworthy observability solutions. I encourage observability providers to extend free and open access to their platforms and software, beyond free trials and without requiring […]

Enable Automatic Updates – Fedora/Red Hat + Bonus Tip

Linux server security is crucial to Linux server administration. Part of keeping Linux servers secure is installing security updates shortly after they become available. Too often, compromised servers are a result of pending security updates awaiting manual installation. In general, for critical servers where you cannot afford unplanned downtime should be very careful with automatic updates. While there are […]

Home Lab Beginners guide – Hardware

Until recently, and for well over the past decade, my wife and I have been nomads. Moving from the Caribbean to Miami, New York, Las Vegas, Vancouver, and now back home. This has meant that for many of those years, my home office basically comprised of a few laptops and screens. These days, we are more […]

htop and top Alternatives: Glances, nmon

Previously we looked at top, atop, and indirectly (due to its popularity) htop. But are there other alternatives worth looking at? Regarding system health and performance, this is a matter of preference regarding the displayed data most important to you. We all prefer different ways of viewing the same thing. Update: also consider btop. htop […]

Best Linux distro and Desktop Environment Combinations

Are you searching for the best Linux distro (distribution) and DE (Desktop Environment) combination? What better way to increase your familiarity with Linux servers than running Linux on your laptop or workstation? As mentioned previously, there’s the best Linux Distro for me and the best Linux Distro for you. What you choose today will often change […]

Top Serverless Monitoring Tools + Serverless Resources

Technology continues to evolve, and solutions for hosting applications continue to expand. One such method of application hosting that has been growing in popularity is serverless computing and, as a result, the increased demand for serverless monitoring. What is Serverless Computing? Serverless Computing is a cloud-computing execution model managed by cloud providers who run the […]

bash: /usr/bin/rm: Argument list too long – Solution

Over time, the storage used on Linux systems you manage will grow. As a result, you will, at some point, try to delete, move, search, or otherwise manipulate thousands of files using commands such as rm, cp, ls, mv, and so on, which are all subject to this limitation. As such, you will eventually come […]

MySQL 8 sample config (my.cnf example) and tuning.

A while back, I wrote the article Tuning MySQL my.cnf? Avoid this common pitfall! With the release of MySQL 8 I wanted to paste some of a my.cnf config file for discussion, suggestions and questions. With the launch of the blog’s tech forums, I’m hoping that the performance tuning tips that emerge will be from […]