Search PID using port number

sudo ss -lptn 'sport = :8200' 

sudo netstat -nlp | grep :80

sudo lsof -n -i :80 | grep LISTEN

Multipass set memory and cpu

multipass set local.primary.cpus=4
multipass set local.primary.memory=8G
multipass set local.primary.disk=10G

Multipass set mount location

multipass mount /Users/rahulwagh/Documents/Documents-Rahul-MacBook-Pro/common-work-directory primary:/home/ubuntu/common-work-directory

From the privacy and security allow disk permission to multipassd

Delete Multipass

sudo chmod 755 /Library/Application\ Support/com.canonical.multipass/uninstall.sh

sudo /Library/Application\ Support/com.canonical.multipass/uninstall.sh

Delete multipass with all data

brew uninstall --zap multipass

Multipass : launch failed: cannot connect to the multipass socket

Kill the multipassd process form the process monitor 
kill -9 $(pgrep multipass)

Multipass setautostart false

multipass set client.gui.autostart=false