#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)

sudo kill -9 `sudo lsof -t -i:3000`

npx kill-port 3000

# 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)
# (-9 corresponds to the SIGKILL - terminate immediately/hard kill signal: see List of Kill Signals and What is the purpose of the -9 option in the kill command?. If no signal is specified to kill, the TERM signal a.k.a. -15 or soft kill is sent, which sometimes isn't enough to kill a process.).

sudo kill -9 $(sudo lsof -t -i:9001)

lsof -ti tcp:2525 | xargs kill

#list process running on specified port (here 5000, change to your port)
sudo lsof -i:5000
#kill process on specified port (here 5000, change to your port)
kill -9 $(sudo lsof -t -i:5000)

fuser -k 8080/tcp

{"tags":[{"tag":"textarea","content":"kill -9 $(lsof -t -i:8080)","code_language":"whatever"}]}

kill -9 $(sudo lsof -t -i:8087)