Lightning is a desktop messenger for Matrix, the open network for secure, decentralised communication. It is written in C++ and Qt 6 and uses the official Matrix Rust SDK for networking and end-to-end encryption.
Features include several accounts at once, Spaces, rooms and threads, end-to-end encrypted rooms with device verification and key backup, a local search index that never leaves the computer, and group voice calls and screen sharing built on GStreamer.
Hardware graphics come from the mesa-2604 content snap. If it is not connected automatically, run:
sudo snap install mesa-2604 sudo snap connect lightning-matrix:gpu-2604 mesa-2604:gpu-2604
Calls also need the microphone and camera interfaces:
sudo snap connect lightning-matrix:audio-record sudo snap connect lightning-matrix:camera
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Snaps are applications packaged with all their dependencies to run on all popular Linux distributions from a single build. They update automatically and roll back gracefully.
Snaps are discoverable and installable from the Snap Store, an app store with an audience of millions.
Snapd can be installed from Manjaro’s Add/Remove Software application (Pamac), found in the launch menu. From the application, search for snapd, select the result, and click Apply.
Alternatively, snapd can be installed from the command line:
sudo pacman -S snapd
Once installed, the systemd unit that manages the main snap communication socket needs to be enabled:
sudo systemctl enable --now snapd.socket
To enable classic snap support, enter the following to create a symbolic link between /var/lib/snapd/snap and /snap:
sudo ln -s /var/lib/snapd/snap /snap
Either log out and back in again, or restart your system, to ensure snap’s paths are updated correctly.
To install Lightning, simply use the following command:
sudo snap install lightning-matrix --edge
Browse and find snaps from the convenience of your desktop using the snap store snap.
Interested to find out more about snaps? Want to publish your own application? Visit snapcraft.io now.