Users Guide
1. WDT .
#cat /etc/watchdog.conf
: watchdog-timeout= /)dev/watchdog
WatchdogDevice= systemd.watchdog-device= kernel (
.
2. WDT .
#cat /etc/default/watchdog
sysfs
23 . WDT
/sys/class/watchdog/watchdog0/bootstatus
WDT .
WDIOC_GETBOOTSTATUS / )ioctl.(
/sys/class/watchdog/watchdog0/identity
WDT.
/sys/class/watchdog/watchdog0/nowayout
nowayout 1 0.
/sys/class/watchdog/watchdog0/state
/ WDT.
/sys/class/watchdog/watchdog0/status
WDT .
WDIOC_GETSTATUS ioctl.
/sys/class/watchdog/watchdog0/timeleft
.
WDIOC_GETTIMELEFT ioctl.
/sys/class/watchdog/watchdog0/timeout
timeout.
)TPM(
: TPM developer.ubuntu.com/en/snappy/guides/security-whitepaper/.
TPM
Snappy. TPM
TPM .
/ TPM BIOS Dell Command | Configure .
1. TPM .
)plano)ubuntu@localhost:~$ ls /dev/tpm0
ls: cannot access /dev/tpm0: No such file or directory
2. TPM )/dev/tpm0 (.
#ls /dev/tpm0
TPM Dell Command | Configure
TPM Dell Command | Configure.
1. BIOS.
#cctk --setuppwd=<new-BIOS-password<
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