System & Network Admin

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… ↩

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Article developing a flake.nix that you can use for development, testing and building for production releases

What Postgres for Everything means to a dev deploying all sorts of databases. Spoiler: it’s about collapsing your stack & keeping your world simple.

Even if you aren’t technically inclined, this privacy-first mobile operating system helps you escape surveillance capitalism.

Midnight Commander is a text-based file manager for Linux and other Unix-like operating systems that provides a user-friendly interface for managing files.

There was a time when real system administrators just logged into Unix systems as root. But as we all know — with great power comes great responsibility. It’s too easy to do terrible th…

With additional Kubernetes mode!

Are you using tags in your database with some of your main database properties? Paul reviews some of the ways to store tags in a database from basic relational models to text arrays. He provides some performance tests, sample queries, and guidance on choosing the best path.

Programming book reviews, programming tutorials,programming news, C#, Ruby, Python,C, C++, PHP, Visual Basic, Computer book reviews, computer history, programming history, joomla, theory, spreadsheets and more.

Sounds from the Fediverse to the Universe

Simple, powerful, free tools to create and use millions of apps.

Using ARG in a Dockerfile - beware the gotcha 13 May 2024 | 3 min read Today I learned about the subtleties of build arguments in Dockerfile...

Use any linux distribution inside your terminal.

Overview vmdk’s, the underlying filesystem commonly used in vmware, can be mounted on a Linux server using the qemu utilities. In this example, I downloaded an ova, unarchived it, and retrieved the vmdk files. Once exposed, I am able to mount the filesystems embedded within the vmdk. In this example, the ova is a virtual “appliance” which prohibits access a low level root shell. By mounting the vmdk file system directly, we can take a peek at the hidden secrets the vendor keeps under lock and key.

This guide introduces you to Grep, sed, and AWK, which are Linux tools used for text processing. It explains the differences between grep, sed, and AWK and provides beginner examples for each.

Table of contents

Introduction

I am using the unix pr command to combine multiple text files into one text file: pr -F *files > newfile Each file is a different length, a different number of lines. I am mostly happy with the

by Alex Nadalin Makefiles 101: how to use make as a task automation tool Photo by Agto Nugroho [https://unsplash.com/photos/1mnXGDl3iRY?utm_source=unsplash&utm_medium=referral&utm_content=creditCopyText] on Unsplash [https://unsplash.com/search/photos/factory?utm_source=unsplash&utm_medium=referral&utm_content=creditCopyText] It seems like developers are afraid of using make as they associate it with the painful experience of compiling things from scratch — the dreaded ./configure &&

Make is a tool that is primarily used to assist in compiling software in an automated way. However, makefiles, the files that make relies on for configuration, are very flexible and can be used to automate just about any task. In this article, we will discuss how to use makefiles to make repetitive system administration tasks easier.