edit comps.xml copy rpms build comps rpm copy comps rpm to RedHat/RPMS and RedHat/base/comps.rpm build centos-yumcache copy centos-yumcache to RedHat/RPMS build rpmdb copy rpmdb to RedHat/RPMS genhdlist pkgorder genhdlist again buildinstall mksrpms splittree genhdlist on isos