5 Network Devices for work-from-home and Small Business 2023

Over the past few years, we’ve seen a mass migration from the work office to the home office. This continues to increase the requirements for better home network security, capacity, and additional capabilities. Small business and work-from-home networks must be more performant, reliable, accountable, and easier to manage. As such, network devices designed for consumers […]

How to Enable Unattended Upgrades on Ubuntu/Debian

Linux server security is of critical importance to sysadmins. One central part of keeping Linux servers secure is by installing security updates promptly. Too often, there are compromised servers on the internet due to pending security updates waiting for a manual update. On both Ubuntu and Debian, the unattended-upgrades package can be configured to perform […]

Analyze Your Website’s TTFB (Time to First Byte)

Have you improved the load time of your websites and web applications recently? Or, maybe your web store or other web app is now slower to respond as you’ve added more features or due to data growth? The time it takes for your web applications to respond when users visit is more important than ever […]

Quick Tip for a more stable Arch Linux experience

Disclaimer: Everything below has been published previously online in Arch’s extensive wiki. However, for whatever reason there’s still a lot of misinformation about Arch’s stability and many users are not aware that these published tips exist. This short article aims to raise awareness of the best routes for a more stable Arch Linux experience. That’s not […]

90 Linux Commands frequently used by Linux Sysadmins

There are well over 100 Unix commands shared by the Linux kernel and other Unix-like operating systems. If you are interested in the commands frequently used by Linux sysadmins and power users, you’ve come to the place. Recently, I published a five-part series covering commands often used by Linux sysadmins. Below I’ve listed the 90 […]

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 […]

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 […]