syslog hup

Linux and Unix-Like Linux
1

Hi All,

I modified /etc/syslog.conf and execute kill -HUP syslogd_PID. There's nothing changes on the PID when I did ps -ef|grep syslogd. It's the same. Do you think it restarted the process of syslogd?

Thanks in advance.

2

That is exactly what you expect when you kill -HUP a daemon, the pid should not change.

3

You could always change your script to add the output of the command afterwards such as:

kill -HUP syslog_pid ; echo $? >> some_file

if there are any non 0s in there, you have a problem

4

Doing kill -HUP will not restart the process. It will just tell it to reread syslog.conf. What you are seeing is as expected.