To remove the apt package, use command: sudo apt remove -autoremove signal-desktopįor the apt repository as well as the GPG key, remove the associated config file via commands: sudo rm /etc/apt//signal-xenial.list /usr/share/keyrings/signal-desktop-keyring.gpg

Next, install the messenger as Flatpak: flatpak install However, it takes more disk space due to run-time libraries!įirstly, open terminal and run command to install the flatpak daemon: sudo apt install flatpak If you’re OK with the universal Flatpak package, things can be a bit easy. Method 2: Install Signal Desktop as Flatpak: NOTE the package works on all Ubuntu/Debian releases, though it publishes packages through ‘xenial’ release.įinally, update package cache by running command in terminal: sudo apt updateĪnd then install the app package via command: sudo apt install signal-desktopĪfter installation, search for and open the app from overview screen, and scan the QR code via your phone to login: And, add source URL and specify arch and signed key.Īll this can be done via the single command below: echo 'deb xenial main' | sudo tee -a /etc/apt//signal-xenial.list Now add the apt repository by creating new config file signal-xenial.list under ‘/etc/apt/’ directory. Next, put the key into ‘/usr/share/keyrings’ directory via command: cat signal-desktop-keyring.gpg | sudo tee -a /usr/share/keyrings/signal-desktop-keyring.gpg > /dev/null Install wget downloader via sudo apt install wget if it’s not installed on your system. Then, run the command below to download the key: wget -O- | gpg -dearmor > signal-desktop-keyring.gpg Get the gpg key:įirstly, press Ctrl+Alt+T on keyboard to open a terminal window (or search for and open it from start menu). The desktop app has an official apt repository that contains the software packages for 64-bit Ubuntu and Debian based systems. Method 1: Install Signal Desktop via Apt Repository: It should also work on their based systems, e.g., Linux Mint, Elementary OS, Kali Linux, and more. This simple tutorial shows how to install the desktop app of the Signal private messenger in Ubuntu and Debian in 2 official ways.

Signal messenger on desktop