I’ve never had an issue once its set up. Just a 16GB LUKS partition alongside my normal LUKS partition, a small edit to /etc/crontab so I only have to enter the password once, set the RESUME variable, add to fstab, and rebuild init. This method even works with suspend-then-hibernate on every laptop I’ve used it with.
This would take 5 seconds at install time, but instead you have to install, reboot to the live USB, shrink LV, shrink PV, shrink LUKS, shrink partition, repartition, grow LUKS, grow PV, grow LV, and finally set up the swap partition as above.
Am I the only one? Does anyone else use encrypted drives and hibernate?
Suspend and hibernation are both cursed features due to weird nonstandard ACPI fuckery and hardware devices that don’t cleanly know how to bring itself back up.
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The method that I use moves memory to the encrypted drive space, so there’s no chance of a data leak. Perhaps I should post a guide…
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I use swapfiles, which makes hibernation slightly more difficult than a partition. Depending on the filesystem there are even different steps (btrfs).
What do you mean by «support»? In my Debian install I created an encrypted partition + LVM and I can hibernate without issue. I believe Ubuntu has an install option for encryption, so I think it should also work.
Full hibernate? Hybrid with power might work, but if the battery dies the default way doesn’t work.
