Signal Messenger

Installing signal-cli

1. Install Java Runtime Environment

apt-get install default-jre

2. Download and install signal-cli

cd /usr/share
wget https://github.com/AsamK/signal-cli/releases/download/v0.6.3/signal-cli-0.6.3.tar.gz
tar -xvzf signal-cli-0.6.3.tar.gz
mv signal-cli-0.6.3 signal-cli
rm signal-cli-0.6.3.tar.gz

3. Register phone number

cd signal-cli/bin
./signal-cli -u +492137787xxxx register --voice

4. Verify phone number

After receiving the voice call with verification code:

./signal-cli -u +492137787xxxx verify xxx-xxx