Try installing kwallet-pam. It will remember your secrets through PAM when you log in. Arch does not have kwallet-pam installed by default unless you install via plasma-meta package.
If you use Chromium, you will not be asked for creating a password store as well so that is another bonus for kwallet-pam.
Hyprland dev’s response to blog post: https://blog.vaxry.net/articles/2023-hyprlandsCommunity
Arch and RHEL enable zswap by default. Regular x86_64 Ubuntu and Debian do not have zswap nor zram enabled by default.
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The Ubuntu based distros may have this phased update thing. That AskUbuntu link has a command to override APT package manager to install the held-back packages.
Ubuntu tends to hold back system critical packages in case there are issues. Systems with certain install UUIDs will be ‘guinea pigs’ and install these packages before everyone else. You can override this behavior and disable phased updates on that particular computer.
That just means the TPM will not auto unlock the encrypted disk. You would have to unlock with whatever LUKS password (or key file) you set for that drive. There is optionally a TPM master key you can export that is similar to the Microsoft Bitlocker password (40 digit number iirc), that Lennart mentioned in his blog. If you deleted any other key slots and do not have that TPM master key, you will not be able to unlock the LUKS drive.
If you look at that freedesktop manpage I linked, it states some of the PCR values and what each one measures. When you enroll a PCR, that value is stored in the TPM. If anything differs between the system and the TPM, the TPM will refuse to unlock that encrypted drive.
For example, PCR 0 measures your motherboard UEFI firmware. If you update the firmware, the TPM will not unlock your LUKS drive until you re-enroll the drive once again. Is is a personal choice, but enrolling certain PCR into the TPM can be more inconvenient.
I think pcr 7+8 (for grub) or pcr 7+12 (for systemd-boot) should be okay. The more pcr you add, the higher likelihood you need to re-enroll after updates.
https://www.freedesktop.org/software/systemd/man/systemd-cryptenroll.html
The reason why using your own keys can be a problem is if you exclude the Microsoft certificates, then oproms from graphics cards stop working. You have to add the Microsoft certs after using your own key for the top level platform key.
For Debian, if you use out of kernel modules like Nvidia, you have create signing keys and edit a config file so dkms to sign those modules for those modules to work with Secure Boot. Instructions are on the Debian wiki.
You may want to play around with alsamixer. Some audio cards have really low volume on some of the mixers like PCM out of the box on Linux.
For a lot of people, louder audio subjectively means better sounding audio. (Loudness wars for audio mastering for example.)