When to use 127 as the exit status in Bash?
When a command terminates on a fatal signal N, bash uses the value of 128+N as the exit status. If a command is not found, the child process created to execute it returns a status of 127. If a com- mand is found but is not executable, the return status is 126. If a command fails because of an error during expansion or redirection,
Where can I find the exit code for Python?
If you would like to portably use the standard POSIX exit codes, see the exitstatus package on PyPI. Operating system commands have exit codes. Look for Linux exit codes to see some material on this. The shell uses the exit codes to decide if the program worked, had problems, or failed.
What does it mean when a process exits with 127?
It has no special meaning, other than that the last process to exit did so with an exit status of 127. However, it is also used by bash (assuming you’re using bash as a shell) to tell you that the command you tried to execute couldn’t be executed (i.e. it couldn’t be found).
What does a non-zero exit code in Python mean?
Usually a non-zero value is returned as an error code. The answer is “Depends on what exit code zero means”. However, in most cases, this means “Everything is Ok”. If my Python script calls sys.exit (1) (or any non-zero integer), the shell returns ‘Not OK’.
When does LSB start and stop in MySQL?
Feb 27 11:51:59 mysql-master systemd [1]: Stopped LSB: Start and stop the mysql database server daemon. Feb 27 11:53:43 mysql-master systemd [1]: Stopped LSB: Start and stop the mysql database server daemon. Feb 27 11:53:45 mysql-master systemd [1]: Stopped LSB: Start and stop the mysql database server daemon. lines 1-24/24 (END)
What does it mean when 127 command is not found?
127 – command not found but it can also mean that the command is found, but a library that is required by the command is NOT found.
