How To Set Up SparkleShare On Linux

Click the SparkleShare launcher to open the first run wizard.
...
Installing SparkleShare

1. Open a terminal window.
2. Update apt with the command sudo apt-get update.
3. Type your sudo password and hit Enter.
4. Once the update is complete, issue the command sudo apt-get install -y sparkleshare.
5. Allow the installation to complete.