Expand LVM volume after install

Sometimes it is necessary to expand / partition after default installation and truncate /home partition using LVM.

umount /home
lvremove /dev/VolGroup/lv_home
lvextend -l +100%FREE  /dev/VolGroup/lv_root
resize2fs  /dev/VolGroup/lv_root

delete line about /home in /etc/fstab