This article covers the process to install GlassFish on your Ubuntu 20.04 LTS Focal Fossa system. In fact, GlassFish is being maintained and developed through the GlassFish Project.
How to Manage the GlassFish Service ?
1. To enable GlassFish at boot:
$ sudo systemctl enable glassfish
2. To start GlassFish:
$ sudo systemctl start glassfish
2. Check the service status using this command:
$ sudo systemctl status glassfish