System & Network Admin

The "feed reader score" service that I mentioned earlier this week is now up and running. Several people reached out to me and I have sent them their unique codes and links to the instructions so they can get started.

In Linux, everything is a file. Even any hardware device connected to the system is represented as a special file. So it shouldnt come as a surprise ...

Please note that this article seeks to explore viable ways of viewing (not opening) a PDF file from the Linux command-line environment.

Let's make a tiny, standalone CA! We'll use a Raspberry Pi 4, YubiKey 5 NFC, and Infinite Noise TRNG.

An unofficial guide to using Mastodon and the Fediverse

An unofficial guide to using Mastodon and the Fediverse

I will no doubt get told i am doing this wrong, but ... Firstly, go to Control Panel - Network -DSM settings, check Enable Customized domain...

Welcome to the Void

It’s more than rails!

Copyright 2021- IPng Networks GmbH, all rights reserved. IPng Networks GmbH provides networking consultancy, hosting, colocation, internet connectivity options primarily tailored for the Zurich metropolitan area.

I have a bunch of files stored in various directories. They have been created at different times, but I need to check that their contents are the same. I cannot find how to do a diff on ALL files i...

Never rewrite code, use functions instead!

In the third part of the Bash Beginner Series, you'll learn to pass arguments to a bash shell script. You'll also learn about special bash shell variables.

Standard HTTP logs miss crucial details like request and response bodies, hindering debugging. Our article offers solutions for complete HTTP logging, ensuring you have all the necessary information for effective web management.

I did something recently I haven’t done in a long time: I recompiled the Linux kernel. There was a time when this was a common occurrence. You might want a feature that the default kernel did…

Steampipe has many plug-ins to convert internal app data to nice SQL tables. In this post, we look at how the Slack plug-in works.

I am working on a project where a user can upload webp images. I know how to convert webp images into jpg/png, but am stuck on how to identify whether the webp image is static (non-animated) or ani...

Learn different methods of mounting QCOW2 image files in a Linux environment.

... Read more

Aiming for a 10 year life-cycle for smartphones

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.

How I've automated updating the bot list to block access to my site

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.

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

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.