[root@velouria tmp]# mkdir -p /var/chroot//var/lib/rpm
[root@velouria tmp]# rpm --rebuilddb --root=/var/chroot
[root@velouria tmp]# wget http://mirror.centos.org/centos/6.3/os/x86_64/Packages/centos-release-6-3.el6.centos.9.x86_64.rpm
[root@velouria tmp]# rpm -i --root=/var/chroot/ --nodeps "centos-release-6-3.el6.centos.9.x86_64.rpm"
[root@velouria tmp]# yum --installroot=/var/chroot install -y rpm-build yum MySQL-python.x86_64 mysql-server python-twisted
[root@velouria src]# mount --bind /dev /var/chroot/dev/
[root@velouria src]# cp /etc/resolv.conf /var/chroot/etc/
[root@velouria src]# cp /etc/sysconfig/network /var/chroot/etc/sysconfig