PGP on Linux – GPA & Seahorse
Debian/Ubuntu
sudo apt update && sudo apt install gnupg gpgsm seahorse
Create Key (Terminal – Fastest)
gpg --full-generate-key
# Choose: RSA 4096 → 2y expiration → nickname → strong passphrase
Export Public Key
gpg --armor --export YOUR_NICKNAME
GUI Tools
• Seahorse (GNOME) – installed with seahorse
• GPA – install via sudo apt install gpa