nohup can help user keeping process running after log-out.
But while I log out & in again, the process python is gone.
Before log out
Log in again
We can find the python process has been stopped.
PS: the system is Cent OS 7.0.
1 Answer
You should use
ps ax | grep ProcessName
because, according to the Manual:
a
Lift the BSD-style "only yourself" restriction, which is imposed upon the set of all processes when some BSD-style (without "-") options are used or when the ps personality setting is BSD-like. The set of processes selected in this manner is in addition to the set of processes selected by other means. An alternate description is that this option causes ps to list all processes with a terminal (tty), or to list all processes when used together with the x option.
x
Lift the BSD-style "must have a tty" restriction, which is imposed upon the set of all processes when some BSD-style (without "-") options are used or when the ps personality setting is BSD-like. The set of processes selected in this manner is in addition to the set of processes selected by other means. An alternate description is that this option causes ps to list all processes owned by you (same EUID as ps), or to list all processes when used together with the a option.
answered Sep 7, 2016 at 8:07
wgethas to do with anything. It first appears in your question when you mention that it's not running. It's not clear exactly whatpscommand line you used or how you determined what did or didn't appear in it.