0x00 安装watchdog

apt install watchdog

编辑/etc/modules，添加bcm2708_wdog

编辑/etc/watchdog.conf

watchdog-device = /dev/watchdog

# 最大进程数

max-load-1 = 24

# 高温复位(80度)

temperature-device = /sys/class/thermal/thermal_zone0/temp

max-temperature = 80000

设置看门狗开机自启

chkconfig watchdog on

手动启动看门狗

service watchdog start

0x01 用forkbomb测试

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