Simplest Distributed Graph Databases
Mercury
wget https://github.com/mercury-hpc/mercury/releases/download/v2.1.0/mercury-2.1.0.tar.bz2
cd mercury-X mkdir build cd build ccmake .. (where ".." is the relative path to the mercury-X directory)
make make install
berkeleyDB 4.8+
wget http://download.oracle.com/berkeley-db/db-4.8.30.zip unzip db-4.8.30.zip cd db-4.8.30 cd build_unix ../dist/configure --prefix=/usr/local --enable-cxx make make install
libconfigure 1.0+
sudo apt-get install -y libconfig-dev