Disable cron emails (solution)

This article lists three common methods to disable cron emails and another solution to send emails only when errors occur. Cron is a daemon that executes scheduled commands. More specifically, the software utility cron is a time-based job scheduler for Unix-like operating systems like Linux. You can use cron to set up jobs to run […]

pstree command in Linux with examples

This pstree 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 pstree command.   pstree command and examples […]

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 […]

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 […]

du – estimate and summarize file and directory space usage on Linux

This du 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 du command. du (disk usage) command is a […]

ls command in Linux, with examples

This is a follow up of my previous 90 Linux Commands frequently used by Linux Sysadmins article. Every week, as time allows, I will publish articles on the ~ 90 commands geared toward Linux sysadmins and Linux power users. Let’s begin with the ls command. Ls (short for list) is used on Linux and other […]

Boost Battery Life on Your Linux Laptop with TLP

Laptop battery life is a crucial aspect of productivity, and mastering the art of extending it is essential. This article is not just about squeezing more hours out of a single charge, but about adopting practices and tweaks that ensure your laptop’s battery remains robust and reliable for years to come. We will discuss Linux […]

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 […]

Nginx tuning tips: HTTPS/TLS – Turbocharge TTFB/Latency

Are you looking to optimize the performance of Nginx? One way to do so is by tuning Nginx to support the latest TLS (Transport Layer Security) protocols (TLS 1.2 & TLS 1.3). In this article, we’ll explore how optimizing Nginx’s TLS config can reduce TTFB (Time To First Byte) latency and turbocharge website speed, providing […]

Guide to Optimizing PHP for High Traffic Sites

Note: This article serves as an overview and index, connecting you to previous detailed PHP optimization articles. For comprehensive insights on each topic, please follow the provided links to previous articles under the subheadings below. It made more sense to connect these articles here for your convenience, rather than trying to merge 12 articles covering […]

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