What is error 127 in linux?

What is error 127 in linux?

Exit code 127 means job’s command can not be found or executed.

What does exit code 1 mean in Linux?

The only general convention is that a zero exit status signifies success, whereas any non-zero exit status is a failure. Many — but certainly not all — command-line tools return exit code 1 for syntax error, i.e. you had too few arguments or an invalid option.

What means exit code?

An exit code or exit status is a number that is returned by an executable to show whether it was successful. This is also sometimes called a return code, or in some cases, an error code, although the terminology here may be slightly different.

What is the exit status of a command?

The exit status of an executed command is the value returned by the waitpid system call or equivalent function. Exit statuses fall between 0 and 255, though, as explained below, the shell may use values above 125 specially. Exit statuses from shell builtins and compound commands are also limited to this range.

Who converts exit status to termination status of a process?

Exit status: is the argument to one of the three exit functions or the return value from main. Termination status: the exit status is converted into a termination status by the kernel when _exit is finally called. If the child terminated normally, the parent can obtain the exit status of the child.

What are the exit codes in Linux?

These are the standard error codes in Linux or UNIX.

• 1 – Catchall for general errors.
• 2 – Misuse of shell builtins (according to Bash documentation)
• 126 – Command invoked cannot execute.
• 127 – “command not found”
• 128 – Invalid argument to exit.
• 128+n – Fatal error signal “n”
• 130 – Script terminated by Control-C.

Is there any way to fix exit status 127?

However, it is failing to start, with exit code 127. Is there any way to fix this? This is the journal. sudo journalctl –follow -u serviceName — Logs begin at Tue 2017-08-08 16:27:10 GMT.

Why does supervisor always quit process with’exit’?

It looks like the process is spawned correctly, but supervisor thinks it didn’t. If gunicorn_django is daemonizing itself, it’s not the kind of program supervisor is designed to manage. Supervisor expects its supervised programs to run in the foreground so it can monitor if they’ve exited. See supervisord docs.

What should the exitcodes be in Supervisord-supervisor?

I tried adding exitcodes=0,2 explicitly to the config, but that doesn’t seem to make a difference either. It looks like the process is spawned correctly, but supervisor thinks it didn’t.

How to fix exit status 127 in RaspberryPi?

Aug 08 17:06:57 raspberrypi systemd [1]: Unit serviceName.service entered failed state. This is the serviceName.service. This is at the top of my app.js. This is telling systemd to run app.js directly. Is this .js file directly executable?