t2.microだとコンパイルがメモリ不足でこけます。t2.medium以上で。
sudo yum groupinstall "Development Tools"
sudo yum install openssl-devel
sudo yum install boost-devel
sudo yum install cairo-devel
sudo yum install libpcap-devel
wget http://downloads.digitalcorpora.org/downloads/tcpflow/tcpflow-1.5.0.tar.gz
tar xvfz tcpflow-1.5.0.tar.gz
cd tcpflow-1.5.0/
./configure
make
sudo make install