Instructions for adding this repository to your Debian/Ubuntu/... system ================================================================================ 1. Open a shell 2. If you previously already had the repository installed on your system 2.1 In case you already had the old key in (now deprecated) apt-key sudo apt-key del 8B45F50C 2.2 In case you already had downloaded a .list file previously sudo rm /etc/apt/sources.list.d/*.pinguin.lu.* /etc/apt/sources.list.d/packages.sits.lu.* 3. Add the server to your repository list 3.1 For Debian 11 / 12 and Ubuntu 24.04 / 24.10 / 25.04 sudo wget -nH -O /etc/apt/sources.list.d/packages.sits.lu.list https://packages.sits.lu/foss/debian/packages.sits.lu.deb11.list 3.1 For Debian 13 / above and Ubuntu 25.10 / above sudo wget -nH -O /etc/apt/sources.list.d/packages.sits.lu.list https://packages.sits.lu/foss/debian/packages.sits.lu.deb13.list 4. Install repository key and fetch new packages sudo wget -nH -O /usr/share/keyrings/packages-sits-lu.gpg https://packages.sits.lu/foss/debian/packages-sits-lu.gpg sudo apt update That's it. You are now ready to install packages from this repository.