One signed apt and dnf repository with the packages of the projects of hstin. Set it up once, then install any of them with your package manager.
cd "$(mktemp -d)" && curl -fsSLO https://pkgs.hstin.de/hstin-repo.deb && sudo apt install ./hstin-repo.deb && sudo apt update sudo apt install otterlink
sudo dnf install https://pkgs.hstin.de/hstin-repo.rpm sudo dnf install otterlink
cd "$(mktemp -d)" && curl -fsSLO https://pkgs.hstin.de/install.sh && less install.sh && sudo sh install.sh otterlink
It installs hstin-repo, then the packages named.
The package hstin-repo holds the repository's source and key, so a change of either arrives as an
update; removing it removes the repository. Packages of this repository never replace a package of your distribution
with the same name.
Fingerprint: 80C8669E42C7786141EC3004251D027BD7EECC86 (keys/hstin.asc; also in the README of
github.com/hstin-de/pkgs). Check the installed key with
gpg --show-keys /usr/share/keyrings/hstin.gpg or rpm -qi gpg-pubkey.
Source: github.com/hstin-de/pkgs.