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gmolveau/signal_ubuntu_install.sh

Created July 3, 2025 16:01
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Installing Signal on Ubuntu without gpg errors
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signal_ubuntu_install.sh
# avoids the common error : The following signatures couldn't be verified because the public key is not available: NO_PUBKEY D980A17457F6FB06
sudo mkdir -m 0755 -p /etc/apt/keyrings/
wget -O- https://updates.signal.org/desktop/apt/keys.asc | gpg --dearmor | sudo tee /usr/share/keyrings/signal-desktop-keyring.gpg > /dev/null
sudo chmod 644 /usr/share/keyrings/signal-desktop-keyring.gpg
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
sudo apt update && sudo apt install signal-desktop
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