> I have a big Problem with centos 6.4 KVM client. After a new start i lost > always my resolf.conf and this file is empty, have any a hint why? Are you using a static IP or DHCP? If you are using DHCP: Do you have a file called /etc/resolv.conf.predhclient and does it contain what you are expecting to find in /etc/resolv.conf? Are you using network or NetworkManager to configure your networking? Barry