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.
Snap can be installed from the command line on openSUSE Leap 15.x and Tumbleweed.
You need first add the snappy repository from the terminal. Choose the appropriate command depending on your installed openSUSE flavor.
Tumbleweed:
sudo zypper addrepo --refresh https://download.opensuse.org/repositories/system:/snappy/openSUSE_Tumbleweed snappy
Leap 15.x:
sudo zypper addrepo --refresh https://download.opensuse.org/repositories/system:/snappy/openSUSE_Leap_15.6 snappy
If needed, Swap out openSUSE_Leap_15. for, openSUSE_Leap_16.0 if you’re using a different version of openSUSE.
With the repository added, import its GPG key:
sudo zypper --gpg-auto-import-keys refresh
Finally, upgrade the package cache to include the new snappy repository:
sudo zypper dup --from snappy
Snap can now be installed with the following:
sudo zypper install snapd
You then need to either reboot, logout/login or source /etc/profile to have /snap/bin added to PATH.
Additionally, enable and start both the snapd and the snapd.apparmor services with the following commands:
sudo systemctl enable --now snapd
sudo systemctl enable --now snapd.apparmor
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.