Using the find command in Linux with examples

This find command guide is a follow-up of my previous 90 Linux Commands frequently used by Linux Sysadmins article. Every week, or as time allows, I will publish articles on the ~ 90 commands geared toward Linux sysadmins and Linux power users. Let’s continue this series with the find command. The find command is part of findutils which […]

85% of all Smartphones are powered by Linux

Smartphones powered by Linux are, for a fact, dominating the smartphone market. A few of you may be scratching your heads at this point. Stop, you’ll go bald. Others are filled with “The Sound of Music” – “The Hills are Alive” kind of Linux pride! Read on, and I’ll provide some pudding, filled with proof […]

PHP Performance: Additional CPU cores vs Faster CPU cores

Some time ago, I received an email from a client experiencing slow performance issues with a LEMP (Linux, Nginx, MySQL, and PHP webserver). During a full audit, I found that the server’s load average was pretty low (see above screenshot). However, the website was indeed very slow. There were some misconfigurations, but one of the […]

Linux benchmark scripts and tools

This list of Linux benchmark scripts and tools should prove useful for quick performance check of CPU, storage, memory, and network on Linux servers and VPS. Recently, I used a Linux benchmark script, which was no longer maintained. As a result, I compiled this quick list of scripts and tools for Linux benchmarking. Check each […]

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 […]

ip command from iproute2 – utilities for TCP/IP networking in Linux

This ip command guide is a follow-up of my previous 90 Linux Commands frequently used by Linux Sysadmins article. Every week, or as time allows, I will publish articles on the ~ 90 commands geared toward Linux sysadmins and Linux power users. Let’s continue this series with the IP command. For Linux sysadmins, it is crucial […]

df command in Linux with examples

This article is a follow up to the previous 90 Linux Commands frequently used by Linux Sysadmins post. Every week, as time allows, I will publish articles on the ~ 90 commands geared toward Linux sysadmins and Linux power users. Use the df command when you need to know how much space is available on […]

Linux top: Here’s how to customize it

The top command – referred to below as Linux top – is a command on Unix and Unix-like systems such as Linux, which provides a dynamic real-time overview of a running system. It can display system summary information and a list of processes or threads currently being managed by the Linux kernel. The types of […]