[ 源代码： watchdog ]
软件包：watchdog（5.16-1 以及其他的）
system health checker and software/hardware watchdog handler
The watchdog program writes to /dev/watchdog every ten seconds. If the device is opened but not written to within a minute, the machine will reboot. This feature is available when the kernel is built with "software watchdog" support (standard in Debian kernels) or if the machine is equipped with a hardware watchdog (in which case this package can also be used to "pet" it, resetting its timer).
The kernel software watchdog's ability to reboot will depend on the state of the machine and interrupts.
The watchdog tool itself runs several health checks and acts appropriately if the system is not in good shape.
其他与 watchdog 有关的软件包
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- dep: debconf (>= 0.5)
- Debian 配置管理系统
- 或者 debconf-2.0
- 本虚包由这些包填实： cdebconf, cdebconf-udeb, debconf
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- dep: libc6 (>= 2.34)
- GNU C 语言运行库：共享库
同时作为一个虚包由这些包填实： libc6-udeb
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- dep: lsb-base (>= 3.2-14)
- Linux 标准规范初始化脚本功能的过渡软件包
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- dep: makedev (>= 2.3.1-24)
- 软件包暂时不可用
- 或者 udev
- /dev/目录和热插拔管理守护程序