Using ‘kill’ to terminate processes in a race-free way on GNU/LinuxOver the past few days I started to take contributions to open source projects more seriously and focused particularly on those that are…Sep 6, 2025Sep 6, 2025
Testing the native Nginx HTTP-01 ACME moduleIts Friday evening and I am scrolling through Hackernews because I am searching for an article that I can waste my time with to gain trivia…Aug 17, 2025Aug 17, 2025
Breaking the Linux kernel ABI to make BIOS option modifications more secure on Dell platformsOver the weekend I found out that some desktop platforms, namely Dell, Lenovo and HP, support an ABI in sysfs/firmware-attributes that…Jul 28, 2025Jul 28, 2025
Resetting a lost user password of an OVHcloud serverIt can sometimes happen that you lose or forget your user password and now are not able to SSH into your server and neither use the KVM…May 16, 2023A response icon1May 16, 2023A response icon1
Analyzing and sandboxing a malicious MEV BotThe emergence of every new technology is accompanied with great opportunities for legal and, unfortunately, illegal activities.May 15, 2023May 15, 2023
SSH Key Algorithm Mismatch between MacOS & Cisco IOSThis one is pretty unfortunate because it is very unsecure and kind of surprising that the problem is on Cisco’s side.May 4, 2023A response icon1May 4, 2023A response icon1
Troubleshooting Debian Linux DNS Resolution.A high level guide on how to solve DNS issues on Debian LinuxMar 25, 2023A response icon1Mar 25, 2023A response icon1
