How to manage a security breach on your server

By Maximilian Batz | 2022-02-17

Modern servers frequently run a multitude of software applications. In our case, we use Docker on the server to run multiple services. One of these services, Gitlab, had a security issue (gitlab workhorse more specifically). Which led to a trojan infection. (In our case, the binaries were called “wate” in case this matters to someone…

Weiterlesen

Raspbian SSH Server fails after upgrade from Stretch to Buster (no SSH connection)

By Maximilian Batz | 2020-07-31

I used this excellent guide to update my Raspbian from Stretch to Buster: https://pimylifeup.com/upgrade-raspbian-stretch-to-raspbian-buster/ After rebooting my Pi, the SSH connection was gone. Logging into the Pi using the attached keyboard and monitor allowed me to debug the issue: service ssh status journalctl -u ssh -n 200 “Missing privilege separation directory /run/sshd” This directory needs…

Weiterlesen

Chromium exit code -5

By Maximilian Batz | 2020-05-19

While running Chromium with chromium-browser –display=:0 https://www.picockpit.com will allow you to start Chromium from an SSH connection (and it will output to the main display in the X Server), this will fail when you try to run it with subprocess.Popen in Python: “command”: [“chromium-browser”, “–display=:0”, “https://picockpit.com”] (this is part of the JSON format I have…

Weiterlesen