From signal.org, 1 Month ago, written in Plain Text.
  1. # NOTE: These instructions only work for 64 bit Debian-based
  2. # Linux distributions such as Ubuntu, Mint etc.
  3.  
  4. # 1. Install our official public software signing key
  5. wget -O- https://updates.signal.org/desktop/apt/keys.asc | gpg --dearmor > signal-desktop-keyring.gpg
  6. sudo mv signal-desktop-keyring.gpg /usr/share/keyrings/
  7.  
  8. # 2. Add our repository to your list of repositories
  9. echo 'deb [arch=amd64 signed-by=/usr/share/keyrings/signal-desktop-keyring.gpg] https://updates.signal.org/desktop/apt xenial main' |\
  10.   sudo tee -a /etc/apt/sources.list.d/signal-xenial.list
  11.  
  12. # 3. Update your package database and install signal
  13. sudo apt update && sudo apt install signal-desktop
captcha