Update README.md

c4rp3nt3r · Jan 5, 2015 · a4f1b9e · a4f1b9e
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diff --git a/README.md b/README.md
@@ -10,5 +10,7 @@ CentOS:yum install libpcap-devel -y
 然后
 gcc url_recoder.c -lpcap -o url_recoder 
 
+命令行参数是网卡名字，我这里是eth0，需要root权限
+./url_recoder eth0
 
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