Users Guide

 17 .  WDT )(
   
/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<
2.      TPM.
#cctk --tpm=on
3.   .
#systemctl reboot
4.  TPM.
#cctk --tpmactivation=activate --valsetuppwd=<Setuppwd<
5.   .
#systemctl reboot
:       .
6.    TPM .
#cctk --tpmactivation
  67