This is a TL;DR for: https://linuxopsys.com/topics/update-firmware-on-ubuntu-using-fwupd
# Install
su -
apt update
apt install udisks2 fwupd
# Display supported devices
fwupdmgr get-devices
# Downloading the latest metadata from LVFS
fwupdmgr refresh
# Checking for available firmware updates
fwupdmgr get-updates
# Update the device firmware
# Updates that can be applied live will be done immediately.
# Updates that run at bootup will be staged for the next reboot.
fwupdmgr update
# Optional: Send Telemetry
# fwupd project encourages users to report both successful and failed updates back to LVFS.
# You can send the report using:
fwupdmgr report-history
If
fwupdmgr refresh
returns errors likeNot updatable as UEFI ESP partition not detected
you likely need to installudisks2
:(This was the case on terminal/no-gui Proxmox 8, aka Debian bookworm)
More info here: https://github.com/fwupd/fwupd/wiki/PluginFlag:esp-not-found
TY for this