SYSTEMD-BOOT-RANDOM-SEED.SERVICE(8) systemd-boot-random-seed.service (NAME) systemd-boot-random-seed.service, systemd-boot-random-seed - EFI (SYNOPSIS) systemd-boot-random-seed.service (DESCRIPTION) systemd-boot-random-seed.service EFI ( ESP) . systemd-boot(7) UEFI ( systemd- stub(7) ) RNG . . << >> ('system token') EFI NVRAM . . : ESP . EFI . systemd-boot-random-seed.service bootctl random-seed ESP . (Boot Loader Interface)[1] . bootctl(1) . systemd-boot-random-seed.service systemd-random-seed(8) . ( systemd-boot(7) systemd-stub(7)) . ( ) . . . . : 1. UEFI systemd- boot(7) systemd-stub(7) ESP . . 2. systemd-random-seed.service . 3. systemd-boot-random-seed.service . . (SEE ALSO) systemd(1), random(4), bootctl(1), systemd-boot(7), systemd-stub(7), systemd-random-seed.service(8) (NOTES) 1. (Boot Loader Interface) https://systemd.io/BOOT_LOADER_INTERFACE systemd 261.2 SYSTEMD-BOOT-RANDOM-SEED.SERVICE(8)