WireGuard is the new kid on the block for creating a secure and maintainable VPN wherever you are. Contrary, to OpenVPN, set-up is relatively easy: you don’t have a thousand nobs to configure, it handles reconnects well, and it also claims to be faster, although I never really ran into issues in that regard. The superlatives don’t stop.
As always, it turns out that the devil is in the details, and if your set-up is a bit different than everyone’s cup of tea then suddenly all the tutorials out there don’t really work for you anymore. I tried to set it up on my Raspberry Pi but I found that a combination of factors (not running Raspbian, not using iptables) made my life a bit more difficult. Every tutorial out there seems to assume that you do, but thanks to some wonderful resources I managed to figure out a way that works for me. In this post I’ll be going over how to install and configure WireGuard on a Raspberry Pi (running Arch Linux Arm) using
nftablesas our firewall.
If you have a server that’s accessible from the internet, chances are you’ll be dealing with unwanted hacking attempts. Sometimes they’ll be security researchers trying to warn you about the existence of some vulnerability. Sometimes, they want to check if you’re accidentally running an open relay. Sometimes they’re actually nefarious people. And sometimes they just want you to subscribe to PewDiePie. Where do all these people come from?
This post might be a little different from what I usually write, but I nerd-sniped myself into calculating this and I want to share it with people. In the game of Dungeons and Dragons, you frequently have to roll a 20-sided die to see if something works. As with most things, higher is better. There are a few ways you can boost the result of a roll with, but in this article we will be looking at two: Advantage and Proficiency.
Jupyter notebook is a wonderful tool to do rapid prototyping in Python and create quick visualisations of the data you’re working with. You can also share the resulting notebooks with other people to show what you’ve down. However, as nice as it is to work with, it is hard to work with collaboratively. The files themselves are an arcane JSON format, which is a wonderful recipe to create merge conflicts.
As my old mailserver crashed a few weeks ago for reasons related to it being a Raspberry Pi, I’ve had to quickly recreate one to receive a very important email in an hour. I found that most of the online tutorials to set up a proper mailserver are quite incomplete and outdated, so here’s my take on how to set it all up.
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