Signal Desktop Installation Script

This script automates the process of installing Signal Desktop on 64-bit Debian-based Linux distributions such as Ubuntu and Mint.

Prerequisites

• A 64-bit Debian-based Linux distribution (e.g., Ubuntu, Mint)
• Administrative (sudo) privileges

Script Overview

The script performs the following steps:

1. Installs the official Signal public software signing key.
2. Adds the Signal repository to the system’s list of repositories.
3. Updates the package database and installs Signal Desktop.

Usage Instructions

Step 1: Save the Script

Save the following script to a file, e.g., install_signal.sh:

```bash #!/bin/bash

Exit immediately if a command exits with a non-zero status

set -e

1. Install the official public software signing key

echo “Installing the Signal 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 the Signal repository to the list of repositories

echo “Adding the Signal repository to the 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 the package database and install Signal

echo “Updating the package database…” sudo apt update

echo “Installing Signal Desktop…” sudo apt install -y signal-desktop

echo “Signal Desktop installation completed successfully!” ```

Step 2: Make the Script Executable

Open a terminal and navigate to the directory where the script is saved. Run the following command to make the script executable:

```bash chmod +x install_signal.sh ```

Step 3: Execute the Script

Run the script with the following command:

```bash ./install_signal.sh ```

Troubleshooting

• Ensure you have a stable internet connection.
• Verify that you have administrative (sudo) privileges.
• If you encounter any errors, read the error messages carefully and ensure that all steps are followed correctly.

Additional Information

For more information about Signal Desktop and its installation process, visit the official Signal website.

Note: This script and documentation are intended for users with basic knowledge of using the terminal and running scripts on Linux systems. Always review and understand scripts before executing them on your system.