Spawn a background process in Ruby

July 25, 2023 by Tarik

As long as you are working on a POSIX OS you can use fork and exec.

fork = Create a subprocess

exec = Replace current process with another process

You then need to inform that your main-process is not interested in the created subprocesses via Process.detach.

job1 = fork do
  exec "/path/to/daemon01"
end

Process.detach(job1)

...