Devices - postmarketOS

System & Network Admin
RADIUS Server for Enterprise Networks
Explore the history of RADIUS, its role in PPP, its integration with 802.1X for wireless LANs, and the use of EAP in enhancing network security.
Blocking Bots with Nginx
How I've automated updating the bot list to block access to my site
How to Copy/Move a Docker Container to Another Host - Make Tech Easier
Since Docker containers are little boxes of software, it can be easily copied and moved from computer to computer. Here we show you how to do it.
Pairing with ChatGPT to help write a Postgres function
Here’s the latest installment in the series on working with LLMS: It was only after I deployed the function and used it in three different dashboards that the penny finally dropped. This had …
A Beginner's Guide to TextFSM for Network Automation
Introduction to TextFSM In this blog post, we will look at TextFSM, a tool that helps parse the raw data (semi-structured) we often get from network devices. If you've ever tried to use TextFSM documentation, you might know it can be a bit confusing. Therefore in this post, we'll go
How to Use 'ddrescue' Command to Recover Data in Linux
In this article, I’ll guide you through the process of using ddrescue to recover data from a failing hard disk in simple, easy-to-follow steps.
One Line Fuzzy Find for Git Worktree
Let's explore how to create a one-liner for fuzzy matching when navigating git worktrees.
Supercronching videos for embedding in websites with ffmpeg
TL;DR: I convert it from video to gif to video
How to Create and Use sudo Command in Linux
The sudo command in Linux stands for “superuser do“, which allows a permitted user to execute a command as the superuser or another user.
Directory based config for easy git workflow
A very common use case for a developer is to deal with multiple github accounts and hence multiple ssh keys. and this gets pretty painful quickly. I’ll show you how I manage multiple GitHub accounts easily by setting up different SSH keys and git configs for each project folder. This guide will help you avoid SSH key problems and make workflow for personal, work, and client projects much simpler.
Whose CIDR is it anyway?
A look at
CIDR block ownership from a RIR-, country-, and
organization level. Originally presented at RIPE88.
Quality of Service (QoS) in Computer Networks: Boosting Performance
Quality of Service (QoS) in computer networks provides network engineers with the means to prioritize latency-sensitive traffic flows. It is increasingly essential as bandwidth consumption soars. Learn more about it here.
How to print from the Linux command line: double-sided, landscape and more
There's a lot more to printing from the Linux command line than the lp command. Check out some of the many available options.
What is the default password for Postgres
I have just install Postgres 9.3 on Windows 7. The installation completed successfully. It has never asked me to provide the password for postgres user.
The service postgresql-x64-9.3 is up and ru...
How to Install PostgreSQL on Debian 12: A Step-by-Step Tutorial
In this comprehensive step-by-step tutorial, we will guide you through the process of installing PostgreSQL on a Debian 12 system.
ffmpeg: Extract audio from .WEBM to .MP3 – Bytefreaks.net
If you need to extract the audio from an .WEBM movie file to an .MP3 audio file you can execute the following: The first command will assign the file name to a variable, we do this to avoid typing…
YouTube-PlaylistPro: Calculate Playlist Duration,Sort Videos,Track Progress
YouTube-PlaylistPro: Calculate Total Playlist Duration, Sort Videos by Duration/Views/Title/Index, and Track Watching Progress.
Killercoda Interactive Environments
Introduction to just
Linux Skills: Manage System Services
System administrators are responsible for service management on Linux devices. Here is what they need to know about configuration, startup options, security and more.
Linux Move Directory Command
Describes how to use the mv command to move directory (folders) in Linux using the terminal application.
How To Edit PDF Metadata Tags On Linux Using A GUI Or Command Line
This article explains how to edit PDF metadata tags on Linux, using either a GUI or from the command line.
Base58 Converter - Online Base 58 Decoder, Encoder
Tool to encrypt / convert with base 58 composed of alphanumeric characters except 0,O,I,l to avoid reading errors.
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Quickly Visualize your AWS Costs
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.
How to Bridge Network Interfaces with Netplan on Linux
In this article, we will discuss how to bridge two interfaces using Netplan, explaining both DHCP and static IP configurations.
win-acme
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.
How to Add, Remove, and Update CA Certificates in Linux | Baeldung on Linux
Learn how to manage CA certificates on Linux by adding, removing, and updating them.
/usr/local/share/ca-certificates
DHCP Options in Plain English | IPv4 IPv6 | Incognito Software Systems
Learn the basics about commonly used, configurable DHCP options for IPv4 and IPv6 networks in this handy guide by Incognito Software Systems.
Restoring a SUN SPARCstation IPX lunchbox computer - jaeblog
Let's look at this 1990s Sun workstation and how to repair it!
How I saved a few dozen dollars by migrating my personal projects from the cloud to a Raspberry Pi
Intro