kill process on a port linux code example

Example 1: kill app at port

#To list any process listening to the port 8080:
lsof -i:8080

#To kill any process listening to the port 8080:
kill $(lsof -t -i:8080)

#or more violently:
kill -9 $(lsof -t -i:8080)

Example 2: kill linux port

sudo fuser -k 1883/tcp

Example 3: kill a process at a port

fuser -k 8080/tcp