开启安全SSH,使用xshell登录,
    到命令行界面执行
    /etc/init.d/hostd restart
    [root@localhost:~] /etc/init.d/hostd restart
    watchdog-hostd: Terminating
    watchdog process with PID 67311
    hostd stopped.
    hostd started.
    [root@localhost:~] 刷新网页,那个任务没有了,虚拟机还是正常的,完美解决!