先安裝 lzo
#cd /root
#wget http://www.oberhumer.com/opensource/lzo/download/lzo-2.03.tar.gz
#tar zxvf lzo-2.03.tar.gz
#cd lzo-2.03
#./configure && make && make install
再安裝 openvpn 2.1.1 (lzo 必須要先安裝,不然下面的安裝會出錯)
#cd /root
#wget http://openvpn.net/release/openvpn-2.1.1.tar.gz
#tar zxvf openvpn-2.1.1.tar.gz
#cd openvpn-2.1.1
#./configure && make && make install