chk1/gist:093041848ef3dcfe88b8013d6c59d81c

Last active January 3, 2018 13:55

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Re-enabling hiberate on Ubuntu 16.04 by decrypting swap

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Re-enabling hiberate on Ubuntu 16.04 by decrypting swap

You installed Ubuntu 16.04 and chose to "encrypt the /home partition", now your hibernate mode won't work.

That is because your swap partition is also encrypted now.

Steps

sudo swapoff -a
sudo cryptsetup remove /dev/mapper/cryptswap1
sudo vim /etc/crypttab # remove the /dev/sda5 line
sudo /sbin/mkswap /dev/sda5
sudo swapon /dev/sda5
sudo vim /etc/fstab # replace /dev/mapper/cryptswap1 with /dev/sda5
sudo vim /etc/initramfs-tools/conf.d/resume # Replace the existing RESUME line with the following lineÖ: RESUME=/dev/sda5
Reboot computer. Then try out hibernate mode.

Resources

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