[CentOS] Pipe into logger duplicates messages in /var/log/messages

From: Alexander <thahartner at gmail.com>

> However the following command :
> echo "HI" > logger -t test
> Resulted in the message appearing twice in /var/log/messages on my CentOS 6
> system.

Tested on CentOS 5.10 32bits/64bits and 6.5 64bits and I only get one appearance...
Did you modify /etc/syslog.conf ?
Maybe there are two entries repeating the same facility?

JD