Passwort: 
linux-616f:~ # efibootmgr -v
BootCurrent: 0008
Timeout: 1 seconds
BootOrder: 0008,0007,0005,0004
Boot0004  UEFI: PXE IP4 Realtek PCIe GBE Family Controller      PciRoot(0x0)/Pci(0x1,0x3)/Pci(0x0,0x2)/Pci(0x1,0x0)/Pci(0x0,0x0)/MAC(309c23e52957,0)/IPv4(0.0.0.00.0.0.0,0,0)..BO
Boot0005  UEFI: PXE IP6 Realtek PCIe GBE Family Controller      PciRoot(0x0)/Pci(0x1,0x3)/Pci(0x0,0x2)/Pci(0x1,0x0)/Pci(0x0,0x0)/MAC(309c23e52957,0)/IPv6([::]:<->[::]:,0,0)..BO
Boot0007* Windows Boot Manager  HD(2,GPT,259ad9ad-4a2c-45da-837b-080e431f97be,0x109000,0x31800)/File(\EFI\MICROSOFT\BOOT\BOOTMGFW.EFI)..BO
Boot0008* opensuse      HD(2,GPT,bbf47244-4099-44ac-8072-8a7637574ab8,0xffff,0xffff0)/File(\EFI\OPENSUSE\GRUBX64.EFI)..BO
linux-616f:~ # efibootmgr -c -L "openSUSE-SecureBoot" -l '\EFI\opensuse\shim.efi'
BootCurrent: 0008
Timeout: 1 seconds
BootOrder: 0000,0008,0007,0005,0004
Boot0004  UEFI: PXE IP4 Realtek PCIe GBE Family Controller
Boot0005  UEFI: PXE IP6 Realtek PCIe GBE Family Controller
Boot0007* Windows Boot Manager
Boot0008* opensuse
Boot0000* openSUSE-SecureBoot
linux-616f:~ # hexdump -C /sys/firmware/efi/vars/Boot0000-*/data
hexdump: /sys/firmware/efi/vars/Boot0000-*/data: No such file or directory
hexdump: all input file arguments failed
linux-616f:~ #