1.下载netcat,下载地址:https://sourceforge.net/projects/netcat/files/netcat/

2.编译安装

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tar -xzvf netcat-0.7.1.tar.gz
cd netcat-0.7.1
./configure --prefix=/opt/netcat/netcat0.7.1
make
make install

3.创建软连接

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ln -s /opt/netcat/netcat0.7.1/bin/netcat /bin/netcat

4.验证

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nc –help
或者:
./netcat


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