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<
70  