This guide will show you how to set up a manual kill switch for OpenVPN in GNU/Linux, with all details, explained. A VPN firewall (or kill switch) kills network connections that are active when there is no active connection on a given system through the use of IPTables, UFW or Firewalld.
Security
When you first start to dig into the dark realms of computer security, it’s easy to go down a rabbit hole. There are lots of things that could go wrong, at least theoretically. It can be overwhelming, but it doesn’t have to be. Before you spend a lot
Linux
Most distributions we use today, including Debian, Fedora, Arch etc, are a modified version of the GNU system with Linux as the kernel. In short, it is GNU (system) + Linux (kernel). By calling it Linux, without giving any credit to the GNU project for the GNU system, we are basically
Programming
Perl is a high-level, interpreted, general-purpose programming language developed by Mr Larry Wall. It was written by Mr Larry for himself and his office mates to glue things together while he was working at NASA's Jet Propulsion Labs. The first public release of Perl, version 1.
On the 1st of April, Libera.chat, a popular IRC network, played an April Fool's joke about moving to a Discord server and asked people to join an IRC channel to chat about it. Libera's global notice caught a lot of users for a moment. A_
As unexpected as it may seem, Linus Torvalds has finally joined the Free Software Foundation. 1st of April 2023 has brought good news to the world of Free Software. Mr Linus, creator of the Linux kernel, has joined the Free Software Foundation's ongoing fight to bring completely free
Linus Tech Tips and their media house's other Youtube channels were hacked using session tokens with malware disguised as PDF. In a sad turn of events, Linus Media House has been hacked and its Youtube channels temporarily hijacked by a third party. Canadian Youtuber Linus Sebastian told us
Hosting
When I first got a domain name from a European registrar a few years ago, I was absolutely thrilled with the idea of owning a domain name. After a lot of searching. I finally found a registrar who offered free mailboxes with the domain registration. What happens if you already
As a GNU Linux developer, I am used to working with the GNU Linux distribution on a wide range of Linux-compatible hardware. Recently I got a Macbook as a mobile workstation, which gave me the chance to explore the world of macOS and a different hardware architecture, i.e.
Telegram is a robust cloud messenger with a top-secret end-to-end encrypted chat option exclusive to one-to-one chats available on limited platforms only. What is and what isn't Telegram Cloud Chats? All the private (one-to-one) and group chats that you do on
I am very sure that many of you have had trouble choosing a desktop operating system of your choice when you first started out with a personal desktop or laptop PC. If software freedom is important to you, there is no replacement for GNU Linux. You have a plethora of
Rust
This article was written for beginners and not by a Rust professional, so do not judge it too harshly. All the code is available here. Running is fun and important for your health, so run and don't stop! Why not make your daily run more interesting with Rust,