Template:Project-APT-Repository-Add Easy
1. Download the Signing Key.
wget https://www.kicksecure.com/derivative.asc
2. Optional: Check the Signing Key for better security.
3. Add Kicksecure signing key.
sudo cp derivative.asc /usr/share/keyrings/derivative.asc
4. Kicksecure APT repository choices.
Optional: See Kicksecure Packages for Debian Hosts and Kicksecure Host Enhancements instead of the next step for more secure and complex options.
5. Add Kicksecure APT repository.
echo "deb [signed-by=/usr/share/keyrings/derivative.asc] https://deb.kicksecure.com trixie main contrib non-free" | sudo tee /etc/apt/sources.list.d/derivative.list