ramroot
yubikey-full-disk-encryption
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| ramroot | yubikey-full-disk-encryption | |
|---|---|---|
| 5 | 16 | |
| 254 | 772 | |
| - | - | |
| 0.0 | 0.0 | |
| over 1 year ago | 4 months ago | |
| Shell | Shell | |
| GNU General Public License v3.0 only | Apache License 2.0 |
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ramroot
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Arch Linux done right
Now I can use ramroot and run the whole OS on RAM.
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Linux install to a USB
Anyway, I wrote and maintain a guide to make this setup: https://mags.zone/help/arch-usb.html. I also made a package to optionally load everything to RAM during boot: https://github.com/arcmags/ramroot.
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Tips on: Arch linux on usb as a daily driver
I wrote a tool to load root entirely into RAM on Arch. It checks available RAM and prompts on boot.
- How to make rescue/recovery partition that copies into RAM (live cd)?
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USB stick longevity as a boot drive
You could also use the Arch Linux guide above and install Arch Linux on the USB drive, making sure the boot and root partition sizes are less than the amount of ram in the machine you are booting on. Then install ramroot which will load up your system into ram on boot. This will mean the system runs off ram and not USB. If you need to make changes, install applications or update, you could boot it normally so it runs off USB as any changes won't be saved if it is booted into ram. If your home folder is on another partition on the USB, I don't think that is loaded into ram on boot so you can still save files to it and any personalisations should also be kept between boots.
yubikey-full-disk-encryption
- I have seen in a lot of posts here people say not to use Google Authentication for 2FA. Can someone simply explain why, and what should I use instead?
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LUKS with Yubikey
Would using this be possible? https://github.com/agherzan/yubikey-full-disk-encryption/tree/master/src
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Getting LUKS, Btrfs, Hibernation and Swap file working in tandem
> Hibernate is less interesting, and apparently unsupported using secure boot anyway.
That's not the case. I have a similar setup to yours (/ on ext4 with separate swap, on LVM on LUKS, separate /efi) and my box hibernates just fine with secure boot and auto-unlock via TPM.
The difference with your setup is I don't use grub, but have the UEFI load a signed unified kernel image directly. Since this works so well, I never had a reason to mess around with yet another moving piece (grub or other bootloader).
As another commenter said, I haven't attempted to mess around with the MOK. I just replaced all the secure boot keys with my own, and I've also signed MS's Windows key (but not the 3rd party one) for my dual-boot needs.
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For specifics: This is an up-to-date Arch Linux install, running on an HP EliteBook 840 G8 (11th gen intel). I know Debian may have older components than arch, but this setup has been working for more than a year now.
IIRC, the most significant change was brought by systemd 251 which started supporting auto-unlocking LUKS with the TPM. Before that, on an older computer with the same general setup, hibernation worked well, too. I just needed to input the unlock password (which I was too lazy to do, so I just used my yubikey - see https://github.com/agherzan/yubikey-full-disk-encryption).
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systemd 253 Released With Ukify Tool, systemd-cryptenroll Unlocking Via FIDO2 Tokens
Does yubikey-full-disk-encryption provide anything systemd 253 doesn't now?
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Tillitis Security Key – Mullvad spin-off inspired by measured boot and DICE
Do you mean something like this: https://github.com/agherzan/yubikey-full-disk-encryption
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Encrypt data on server (Linux, LUKS) on Raspberry Pi
Full disk encryption is rarely as portable as simply encrypting the files you need. When I ran a “homemade” NAS, I had everything LUKS encrypted. I used a Yubikey to unlock the encrypted data.
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Using a YubiKey to unlock LUKS - How to secure or encrypt /boot?
A few days ago I akquiriere a Yubikey and I'm currently trying to set up 2FA with the Yubikey and a password to unlock the LUKS container. Since I am running Arch I came across the yubikey-full-disk-encryption package and tested it in an Arch VM. So far it worked really well. The only issue I am having is that compared to my old setup I need to have /boot unencrypted because it seems GRUB itself cannot deal with the 2FA setup and ykfde if /boot is encrypted. Previously I had most of /boot inside the LUKS volume with only the /efi part unencrypted (this is used when telling grub where the efi-directory is - see the previous guide for the full details please) and the GRUB_ENABLE_CRYPTODISK=y option set in the GRUB config.
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LUKS boot unlock fido2 issue
I don't know about the hanging, I use yubikey-full-disk-encryption which uses challenge-response (1FA or 2FA) which you can set up how many attempts to use the YubiKey before it falls back to the passphrase.
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Is it possible to crack drive encryption without header?
Related: https://github.com/agherzan/yubikey-full-disk-encryption
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How safe is encryption?
https://github.com/cornelinux/yubikey-luks or https://github.com/agherzan/yubikey-full-disk-encryption with yubikey 5 will get you going. It is a bit expensive to get two keys (regular and backup), but these can be also used to secure most of the online accounts.