Cannot access the Hardware Clock via any known method.
Use the --debug option to see the details of our search for an access method.
根据提示:
# hwclock -w --debug
hwclock from util-linux-ng 2.17.2
hwclock: Open of /dev/rtc failed, errno=2: No such file or directory.
No usable clock interface found.
Cannot access the Hardware Clock via any known method.
google到的解...