bug in cobbler of fedora17 version

Trying to setup cobbler pxe server on fedora 17 . meet some problem:

1 cobbler doesn't rsync . google on the internet , I found this is a bug of cobbler (see link http://comments.gmane.org/gmane.linux.installation.cobbler/8363)

workaround :

comment PrivateTmp in /usr/lib/systemd/system/cobblerd.service

[root@kvm-fedora ~]# cat /usr/lib/systemd/system/cobblerd.service 
[Unit]
Description=Cobbler Helper Daemon
After=syslog.target network.target


[Service]
Type=oneshot
ExecStart=/usr/bin/cobblerd
RemainAfterExit=yes
#PrivateTmp=yes


[Install]
WantedBy=multi-user.targe

then 

[root@kvm-fedora ~]# systemctl --system daemon-reload