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如下所示,使用tcpdum报错
[root@server]$ tcpdump -i br0 -w 111.cap
tcpdump: br0: You don't have permission to capture on that device
(socket: Operation not permitted)
问题解析:
没有权限
解决方法:
[root@server]$ sudo tcpdump -i br0 -w 111.cap
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