Build Ocserv

apt-get install -y  git build-essential  protobuf-compiler protobuf-c-compiler
 autogen pkg-config\
libtalloc-dev libreadline-dev libpam0g-dev libhttp-parser-dev libpcl1-dev \
libgnutls28-dev libev-dev libprotobuf-c-dev libhttp-parser-dev   libseccomp-dev gnutls-bin autoconf;

wget 'ftp://ftp.infradead.org/pub/ocserv/ocserv-0.11.8.tar.xz'
tar xvf ocserv*xz && rm oc*xz*
cd ocserv*
./configure --prefix=/usr --sysconfdir=/etc
make && make install