Free a stuck port lsof

Kill whatever owns a port; -t prints bare PIDs, -r avoids running kill on empty input

lsof -t -i:<port> | xargs -r kill

#lsof #network #troubleshooting #debug

more lsof all 19 commands →

Detect CLOSE_WAIT leaks lsof -nP -i -sTCP:CLOSE_WAIT Connections to remote host lsof -nP -i @<host>:<port> Binaries and libs of a PID lsof -p <pid> -a -d txt,mem Count open fds of a PID lsof -nP -p <pid> | wc -l List open files by process lsof -p $(pgrep nginx) | head -30