地址：https://github.com/jlyo/tcping.git

Installation:
------------
make install


Usage:
-----
tcping hostname
(uses port 80) or
tcping -p port hostname

ping once:
tcping -p port -c 1 hostname

tcping returns:
0 on success
2 if the host or service could not be resolved
127 on other errors

examples:
tcping -p 8080 127.0.0.1

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本文出自 “奮鬥吧” 博客，請務必保留此出處http://lvnian.blog.51cto.com/7155281/1980232

tcping tcp網絡測試