Kill all process ubuntu by Option 1: sudo kill -9 $(sudo lsof -t -i:9001)sudo kill -9 $(sudo lsof -t -i:9001) Option 2: pidof slack 1234 1235 1236 1237 1238 sudo kill -9 process_id pidof apt 1234 1235 1236 1237 1238 sudo kill -9 1234 1235 1236 1237 1238pidof slack 1234 1235 1236 1237 1238 sudo kill -9 process_id pidof apt 1234 1235 1236 1237 1238 sudo kill -9 1234 1235 1236 1237 1238 Please follow and like us: