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ping wget curl

ping -n 1 -w 10000 224.0.0.0 模拟sleep wget ifconfig.me/ip -q -O - 获取你的外部ip地址 wget -S -O/dev/null "INSERT_URL_HERE" 2>&1 | grep Server 查看服务器软件(比如 Apache) $ more ip118.228.153.198$ wget www.autodesk.com--2014-04-19 18:11:25-- http://www.autodesk.com/Resolving www.autodesk.com... 74.220.126.92Connecting to www.autodesk.com|74.220.126.92|:80... connected.HTTP request sent, awaiting response... 200 OKLength: 88368 (86K) [text/html]Saving to: `index.html‘100%[==============================================>] 88,368 97.6K/s in 0.9s2014-04-19 18:11:26 (97.6 KB/s) - `index.html‘ saved [88368/88368]