System & Network Admin

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Introduction to just

System administrators are responsible for service management on Linux devices. Here is what they need to know about configuration, startup options, security and more.

Describes how to use the mv command to move directory (folders) in Linux using the terminal application.

This article explains how to edit PDF metadata tags on Linux, using either a GUI or from the command line.

Tool to encrypt / convert with base 58 composed of alphanumeric characters except 0,O,I,l to avoid reading errors.

One of the most underappreciated APIs in AWS is the Cost Explorer API - specifically the GetCostAndUsage API. In essence, this API lets you fetch the same information you can get through the Cost Explorer GUI - but without the difficult UI/UX. This short blog post shows how you can leverage this programmatic access to the Cost Explorer to quickly build up powerful visualizations of your AWS costs directly from the CLI - and all you need is ce:GetCostAndUsage permissions.

In this article, we will discuss how to bridge two interfaces using Netplan, explaining both DHCP and static IP configurations.

win-acme is a ACMEv2 client for Windows that aims to be very simple to start with, but powerful enough to grow into almost every scenario.

Learn how to manage CA certificates on Linux by adding, removing, and updating them.

Learn the basics about commonly used, configurable DHCP options for IPv4 and IPv6 networks in this handy guide by Incognito Software Systems.

Let's look at this 1990s Sun workstation and how to repair it!

Intro

This guide will show you how to set a proxy for the APT package manager so that you may be able to install packages from remote repos.

In this article, we will guide you through the process of creating an ISO file from a directory using the genisoimage command.

For people who do a lot of work with command line tools or Bash code, having a Bash web server could be very handy. I was really amazed that in one line of Bash code I was able to create web server…

In this article we learn to know what is the role of one of the most important files in a Linux-based system: /etc/fstab. We examine how it is structured and what filesystem information can be specified in it.

Portmaster is a free and open-source application that puts you back in charge over all your computer's network connections. Increase your privacy and security. Get peace of mind.

Intentionally Broken DNS

If you’re here reading this, then you’re probably stumped as to why you can’t use crtl-c or ctrl-v to copy and paste code into your…

Try out multiple Linux distributions at once on your host system using DistroBox, eliminating the need for virtual machines or dual booting.

Table of contents

Notes on using home-manager standalone via a flake

I made a video on how I use distrobox on my desktop, and over time as more and more people have been discovering the value of a cloud-native desktop it's starting to gain some attention! Since SteamOS is an image-based OS right of the bat (must be nice to start

How to do video scaling using FFmpeg with examples for different types of upscaling and downscaling methods. Scaling a video means to make it either larger (higher resolution) or smaller (smaller…

What do you do if you want to code using an (almost) fully featured IDE setup, but you’re up 40,000 feet in the air, without internet? And you don’t want to pay for business class1? I’ll show you what I did and I’m definitely interested in feedback and other solutions to this problem. Let’s just pretend that I don’t want to pay for business class, not that I can’t… ↩