# 1. Install our official public software signing key
wget -O- https://updates.signal.org/desktop/apt/keys.asc | gpg --dearmor > signal-desktop-keyring.gpg
cat signal-desktop-keyring.gpg | sudo tee -a /usr/share/keyrings/signal-desktop-keyring.gpg > /dev/null
# 2. Add our repository to your list of repositories
echo 'deb [arch=amd64 signed-by=/usr/share/keyrings/signal-desktop-keyring.gpg] https://updates.signal.org/desktop/apt xenial main' |\
sudo tee -a /etc/apt/sources.list.d/signal-xenial.list
# 3. Update your package database and install signal
sudo apt update && sudo apt install signal-desktop-beta
# NOTE: These instructions only work for 64-bit Debian-based
# Linux distributions such as Ubuntu, Mint etc.
# 1. Install our official public software signing key:
wget -O- https://updates.signal.org/desktop/apt/keys.asc | gpg --dearmor > signal-desktop-keyring.gpg
cat signal-desktop-keyring.gpg | sudo tee /usr/share/keyrings/signal-desktop-keyring.gpg > /dev/null
# 2. Add our repository to your list of repositories:
echo 'deb [arch=amd64 signed-by=/usr/share/keyrings/signal-desktop-keyring.gpg] https://updates.signal.org/desktop/apt xenial main' |\
sudo tee /etc/apt/sources.list.d/signal-xenial.list
# 3. Update your package database and install Signal:
sudo apt update && sudo apt install signal-desktop
No. The way I see it, I'm downloading an open-source, *always* end-to-end encrypted desktop-application Signal from official repository, instead of downloading an open-source *never* end-to-end encrypted desktop-application Telegram from official repository. Having to add the ppa is 10 seconds of additional trouble. I'll live. Without end-to-end encryption, a lot of dissidents however, might not.