To enable Hibernate, I followed this answer from Dima. After enabling hibernate you will have an option to hibernate in the indicator session menu at top panel. But, though you can hibernate you may not resume from hibernate. You will just be given a new session. The fixes are below. The fixes to be able to resume from hibernate There is two way to fix this.
- Editing the /etc/initramfs-tools/conf.d/resume file First get the UUID of the swap partition.
sudo blkid | grep swap