Unlock KWallet with autologin and LUKS issue

[triam]

As of 24.1.2026, the default Plasma desktop installation uses Plasma Login Manager instead of SDDM.

CachyOS January 2026 Release Changelog

Hello CachyOS Enthusiasts, This is our first release of the year, bringing a host of improvements to the installer, the new display manager (Plasma Login Manager), and much more! First, we have significantly reworked the installer and added many quality-of-life improvements. The bootloader selection has been moved directly into the installer, featuring a description for each option; Limine is now selected as the default bootloader. Architecture detection now happens at the very beginning of th…

KWallet auto-unlock using the LUKS passphrase with Plasma Login Manager (paths and filenames differ from those used by SDDM):

sudo sed -i '0,/^-auth/s/^-auth/-auth       optional    pam_systemd_loadkey.so\n&/' /usr/lib/pam.d/plasmalogin-autologin
sudo mkdir -p /etc/systemd/system/plasmalogin.service.d && \ 
echo -e "[Service]\nKeyringMode=inherit" | sudo tee /etc/systemd/system/plasmalogin.service.d/keyringmode.conf