System & Network Admin

I'm converting my good old IPV4 based iptables firewall script and would like to substitute the CLASS A/B/C/D/E reserved address spaces to the ones found in IPV6. My goal is to deny any packets that

When you have a rather large network at home, you want and need to secure things a little bit. Family network usage / business network usage / IoT network usage all of these needs to work without i…

In the earlier blog post, I mentioned the use of Nix as a package manager on OS X. In this follow-up, you will witness the power of Nix to create isolated development environments.

Docking a Linux laptop offers flexibility and a better video experience.

A Computer Science portal for geeks. It contains well written, well thought and well explained computer science and programming articles, quizzes and practice/competitive programming/company interview Questions.

Many people get confused after hearing the word CV2. Opencv releases two types of python interfaces CV and CV2.

The following methods will tell git which private key to use.

A Computer Science portal for geeks. It contains well written, well thought and well explained computer science and programming articles, quizzes and practice/competitive programming/company interview Questions.

Having Fun with Technology

An agnostic container toolset for Docker, Podman, jails & heavy VMs — works on any OS. One CLI + GUI for all, local & cloud dev with an easy switch.

This is a simple guide to quickly get started working with Git and a few of its many configuration options.

Timeshift is an open-source backup and restore application for Linux. Learn how to use by following this guide.

How can a maintainer of an open source project assure that the project's code hasn't been hacked? By signing the code with SSH. Here's how.

Follow these steps and you can run apt update with no warnings or errors related to deprecated key configurations.

If you have a website that provides downloadable materials like movies, games, etc., or a streaming website, then you need to limit your HTTP bandwidth RIGHT NOW.

Posted on 2022-09-18

Warnings: Python Support: Pillow supports these Python versions.,,,,,,,,, Python, 3.10, 3.9, 3.8, 3.7, 3.6, 3.5, 3.4, 2.7,,, Pillow = 9.0, Yes, Yes, Yes, Yes,,,,,, Pillow 8.3.2 - 8.4, Yes, Yes, Ye...

I was looking for a fast file manager and found ranger. Looks really interesting to me. I was able to configure it to display image previews and also play vi...

In this vid, I show you how to add image previewing to the ranger file manager ;))))))))Found it useful? Like + Sub ;))))))))))

In this article, we're going to learn about an exciting new file manager called Ranger. For many of us, who switch to Linux from Windows, using the terminal

SSH stands for Secure Shell and it is used widely as a means of accessing remote servers. The usage of SSH is recommended because it is considered a highly secure way of authenticating users remotely.

Universal Media Server (UMS) is a free DLNA-compliant, HTTP(s) PnP Media server, which provides a number of capabilities such as sharing multimedia files

Retrieving Emails From Remote Servers With fetchmail on Debian Linux. Fetchmail is a program for retrieving emails from remote servers. Imagine you ha...

In this guide, you will learn how to install Uptime Kuma self-hosted monitoring tool and how you can monitor websites using the tool in Linux.