Increase partition size Centos and Fedora

Use df -h to list the partitions

#sudo df -h

Use lvresize to extend the partition

#sudo lvresize --size +25G /dev/whatever

Unmount the filesystem to reduce risk of a corrupt filesystem in case of a crash durning the optionation.

#sudo umount /dev/whatever

Use resize2fs to extend the ext3 or ext4 filesystem

#sudo resize2fs /dev/whatever