cobbler 2.6.11
遇到这个问题，需要
>> cobbler signature update >> and cobblerd restart
转自： https://lists.fedorahosted.org/pipermail/cobbler/2014-January/009224.html
No breeds found in the signature, a signature update is recommended
原文：http://www.cnblogs.com/pinganzi/p/5498637.html