一个监控主机是否可以ping通的脚本，如果某个主机ping不通，发出邮件，并记录，如果再次能ping通，再次发出邮件，通知，并可设置声音报警。-a control console can ping Qualcomm's scr ipt, if a mainfr a me ping up, the issue of e-mail and records, if re-ping can, and again mail, notifi