fwupdmgr:tldr:0fc36

The command "fwupdmgr refresh" is used to refresh the metadata of firmware available on the system.

When you run this command, it triggers a refresh process that checks for new firmware updates available from the firmware vendor's repository. It fetches the latest metadata, including information on the available firmware versions, associated release notes, and other relevant details.

This command is typically used in Linux-based systems that have the fwupd daemon (Firmware Update Manager) installed. The fwupd daemon manages firmware updates for different hardware components such as BIOS/UEFI, Thunderbolt controllers, SSDs, peripherals, etc.

By running "fwupdmgr refresh," you ensure that your system has the most up-to-date firmware metadata. This allows you to accurately check for and apply the latest firmware updates available for your hardware components.