What are the functions of supervisor in Ubuntu?

In Ubuntu, Supervisor is a process management tool that has various functions, including:

1. Monitoring processes: Supervisor can monitor specified processes and automatically restart them if they unexpectedly exit.
2. Process Group Management: Supervisor can manage multiple processes in a group and control them.
3. Supervisor can view the status, logs, and other information of each process.
4. Process control: The Supervisor can initiate, stop, reboot, pause, and resume processes.
5. Scheduled tasks: Supervisor can schedule the startup, shutdown, and restart of specified processes.
6. Log recording: Supervisor can log the processes of each log, making it convenient to view and analyze.

Overall, the Supervisor can assist users in conveniently managing and monitoring various processes to ensure the stability and reliability of the system.