First, install Strongswan on Ubuntu.
首先，在Ubuntu上安装Strongswan。
sudo apt-get install strongswan strongswan-plugin-eap-mschapv2 strongswan-plugin-xauth-generic
[info]If you want to compile from source, you need to add this to your configure command:
如果你想从源码编译，请确保你的configure指令包含以下参数：
./configure --prefix=/usr --sysconfdir=/etc --enable-eap-mschapv2 --enable-eap-identity --enable-eap-peap --enable-openssl （更多…）