cobbler
vim /etc/debmirror.conf
sed -i 's/@dists="sid";/#@dists="sid";/g' /etc/debmirror.conf
sed -i 's/@arches="i386";/#@arches="i386";/g' /etc/debmirror.conf
cobbler check
cobbler sync
cobbler
sed -i 's/@dists="sid";/#@dists="sid";/g' /etc/debmirror.conf
cobbler check
cobbler sync