Systemd journald cheatsheet

# Introduction This blog post is about the project Pi-hole, a libre software suite to monitor and filter DNS requests over a local network. => https://pi-hole.net/ Pi-hole official project page Pi-hole is Linux based, it is a collection of components and configuration that can be installed on Linux, or be used from a Raspberry PI image ready to...

# Introduction This blog post is about designing firewall rules, not focusing on a specific operating system. The idea came after I made a mistake on my test network where I exposed LAN services to the Internet after setting up a VPN with a static IPv4 on it due to too simplistic firewall rules. While discussing this topic on Mastodon, some...

# Introduction Last month, I decided to leave the OpenBSD team as I have not been using OpenBSD myself for a while. A lot of people asked me why I stopped using OpenBSD, although I have been advocating it for a while. Let me share my thoughts. First, I like OpenBSD, it has values, and it is important that it exists. It just does not fit all...

# Introduction This blog post is about Floccus, a self-hosting web browser bookmarks and tabs syncing software. What is cool with Floccus is that it works on major web browsers (Chromium, Google Chrome, Mozilla Firefox, Opera, Brave, Vivaldi and Microsoft Edge), allowing sharing bookmarks/tabs without depending on the web browser integrated...

# Introduction As I moved my infrastructure to a whole new architecture, I decided to only expose critical accesses to dedicated administration systems (I have just one). That workstation is dedicated to my infrastructure administration, it can only connect to my servers over a VPN and can not reach the Internet. This blog post explains why I am...