EADDRINUSEEADDRINUSE — Address Already in Use
The specified network address and port combination is already bound by another socket.
ENOPROTOOPTThe requested protocol option is not available or not supported at the specified level.
A setsockopt() or getsockopt() call specified an option that is not recognized or supported by the protocol layer.
Check the protocol documentation for supported socket options. Verify the option level (SOL_SOCKET, IPPROTO_TCP, etc.) is correct.
EADDRINUSEThe specified network address and port combination is already bound by another socket.
Exit 143The process was terminated by SIGTERM (signal 15).
ENOENTThe specified file or directory does not exist in the filesystem.
SIGTSTP (20)A stop signal from the terminal, typically Ctrl+Z. Unlike SIGSTOP, this can be caught.
ENOLINKA remote resource linked via a network filesystem is no longer accessible.
Exit 137The process was forcibly killed by SIGKILL (signal 9).