https://blog.htlac.com/archives/614.html zh-CN Linux篇ping检测使用系统自带的ping命令，开启ping后同时输出时间戳保存到日志文件ping 223.5.5.5 | awk '{ print strftime("... Thu, 01 Jan 1970 00:00:00 +0000 Thu, 01 Jan 1970 00:00:00 +0000