> > $ yum --installroot=/mnt/rootfs -y groupinstall @core > I am not able to get this to work. It works with the F21 Repos but not with the CentOS ones. I get a warning "Warning: group core does not exist" Here is the output http://pastebin.com/WXxMZuVj --------------------------------------------------------------------------------------------------------------------------------------------------- # cat /disks/temp/etc/yum.repos.d/c7buildroot.repo [c7buildroot] name=c7buildroot baseurl=http://armv7.dev.centos.org/repodir/c7-buildroot/ #baseurl=ftp://192.168.1.3/c7buildroot gpgcheck=0 enabled=1 # cat /disks/temp/etc/yum.repos.d/c7pass1.repo [c7pass1] name=c7pass1 baseurl=http://armv7.dev.centos.org/repodir/c7-pass-1/ #baseurl=ftp://192.168.1.3/c7pass1/ gpgcheck=0 enabled=1 # yum --installroot=/disks/temp/ groupinstall @core There is no installed groups file. Maybe run: yum groups mark convert (see man yum) c7buildroot | 2.9 kB 00:00 c7pass1 | 2.9 kB 00:00 (1/2): c7buildroot/primary_db | 2.3 MB 00:05 (2/2): c7pass1/primary_db | 2.8 MB 00:09 Warning: group core does not exist. Maybe run: yum groups mark install (see man yum) Error: No packages in any requested group available to install or update --------------------------------------------------------------------------------------------------------------------------------------------------- Any ideas? What am I missing?