1.安装git sudo apt-get install git2.获取在网上git驱动包 RTL8821CU git clone http://github.com/brektrou/rtl8821cu.git3.编译及安装驱动 cd /rtl8821 make -j4 ###make是编译,-j4是调用我cpu4个核同时编译,这看情况,是可选项 sudo make install4.重启机器,网卡就生效了!!!!