Choosing Linux Terminal Emulators – Discussion and List

The terminal emulator stands as an unsung hero, bridging the gap between user and machine with a blend of simplicity and power. As we delve into the world of terminal emulators, we uncover a landscape rich in diversity and innovation. From the classic simplicity of XTerm to the modern, Rust-powered elegance of Warp, terminal emulators […]

How to Kill Inactive SSH Sessions

Managing server connections efficiently is crucial for maintaining a smooth and secure IT environment. One such common challenge is dealing with inactive SSH sessions. These sessions can clutter your server, consuming resources and potentially posing security risks. In this article, we’ll explore practical methods to identify and terminate these idle connections. We’ll delve into the […]

How to fix GPG NO_PUBKEY Error: “The following signatures couldn’t be…”

You may occasionally encounter GPG errors during an apt-get update or apt-get upgrade when maintaining a Debian-based systems. These errors typically indicate that your system is missing one or more public keys required for verifying the integrity and authenticity of packages from its repositories. This guide will walk you through resolving “NO_PUBKEY” errors, ensuring your […]

Accelerate Your Website with Sitespeed.io

The speed of your website is a critical factor in ensuring user satisfaction, SEO rankings, and overall performance. Sitespeed.io emerges as a robust tool, offering comprehensive insights and solutions to optimize your website’s speed. It’s an open-source treasure, beloved by developers and site owners alike, for its detailed performance metrics and user-friendly approach. Sitespeed.io is […]

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 […]

traceroute command in Linux with examples

This traceroute command guide follows my previous 90 Linux Commands frequently used by Linux Sysadmins article. As time allows, I will continue to publish articles on the 90+ commands geared toward Linux sysadmins and Linux power users. Let’s continue this series with the traceroute command. When it comes to troubleshooting network connectivity and understanding the journey of your data packets […]

ping command in Linux with examples

This ping command guide follows my previous 90 Linux Commands frequently used by Linux Sysadmins article. As time allows, I will continue to publish articles on the 90+ commands geared toward Linux sysadmins and Linux power users. Let’s continue this series with the ping command. The Linux command line is a treasure trove of powerful tools that can help you […]

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