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the existence of the PID file only gives a hint; its contents (the PID of the process) should then be checked to see if that particular process is indeed (still) running.
Citeren Rainer Canavan <rainer.canavan@xxxxxxxxxxxx>:
On Tue, Feb 21, 2017 at 2:53 PM, Tom Browder <tom.browder@xxxxxxxxx> wrote:
I need to programatically determine whether httpd is running or not, whether
I'm root or not. The only reliable way I have found is to use the system
command 'ps -C httpd' and grep the results.
Is there a better way?
If you know where the .pid file is, you can read that and check if the
process is
running, e.g. via ps --pid `cat /var/run/apache2.pid`
rainer
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