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 […]

100+ Application Monitoring tools and Server Monitoring Solutions

Looking for application monitoring tools and server monitoring solutions? On this page, I’ve listed the top application performance monitoring (APM), server monitoring, and observability solutions to date. The listings are updated frequently as APM and observability solutions continue a rapid evolution. While I haven’t tested all of these solutions, I’ve used more than a third […]

Linux Commands frequently used by Linux Sysadmins – Part 3

Last week and the week before, I published part 1 and part 2 of this five-part series entitled: Linux Commands frequently used by Linux Sysadmins. Those two articles took us a bit deeper into what I believe are around 50 to 100 commands often used by Linux Sysadmins and power users. Also, see Part 4 and Part 5. […]

Finding Linux Compatible Printers

Here’s all the info and links needed to find printers or all-in-one printers that currently support Linux. If you don’t want to spend hours comparing printers, have a look at my recommended Linux compatible printers. This is the promised update as per the comments section below, sorry about the delay! Fixed broken manufacture product links and replaced […]

What is iowait and how does it affect Linux performance?

I/O wait or iowait, wait, wa, %iowait, or wait% is often displayed by command-line Linux system monitoring tools such as top, sar, atop, and others. On its own, it’s one of many performance stats that provide us with an insight into Linux system performance. I/O wait came up in a recent discussion with a new client of […]

Linux Commands frequently used by Linux Sysadmins – Part 2

Last week, I published part 1 of this five-part series entitled: Linux Commands frequently used by Linux Sysadmins. That first article scratched the surface of what I believe are 50 to 100 commands used often by Linux Sysadmins and power users. Also, see Part 3, Part 4, and Part 5. Let’s jump into another set of commands and command-line […]

Linux Commands frequently used by Linux Sysadmins – Part 1

What are some of the Linux commands used by Sysadmins and power users daily? In this article, I’ve listed 10 such commands frequently used. Suggestions, and feedback welcome. Also, see Part 2, Part 3, Part 4, and Part 5. Some people consider Linux to be a complicated operating system, geared toward expert users only. However, as […]

MySQL Performance Tuning: Tips, Scripts and Tools

With MySQL, common configuration mistakes can cause serious performance problems. In fact, if you misconfigure just one of the many config parameters, it can cripple performance. Of course, the performance of MySQL is often tied to the efficiency of your MySQL queries. It’s important to ensure that your performance issues are not due to poorly […]

60 Linux Networking commands and scripts

Recently, I wanted to test network throughput via command line with at least 3 tools. For the life of me, I could not remember iperf. Not being able to remember previously used command line tools is frustrating and something we can all relate to. So I created a go-to-list of network tools for myself. Then, I […]

20 Leading Companies Share How COVID-19 is Accelerating the Future of APM

One year ago, I asked 12 of the leading providers of application performance monitoring (APM) and other SaaS-based monitoring services: what will the future of APM look like in 2020?  They pointed to the rise of AIOps (Artificial Intelligence for IT Operations), Big Data, and Digital Experience Monitoring (DEM) as the core advancements in this space. […]