Installation watchdog command
yum the install Watchdog -Y
modprobe softdog
the chkconfig ON Watchdog
Boot self-start setting: systemctl enable watchdog
Webpage download address:
http://rpmfind.net/linux/rpm2html/search.php?query=watchdog(x86-64)
Installation command: rpm -ivh watchdog-5.13-12.el7.x86_64.rpm