ubuntu/debian 

apt-get install build-essential

wget https://github.com/jedisct1/libsodium/archive/1.0.18-RELEASE.tar.gz

tar xf 1.0.18-RELEASE.tar.gz && cd libsodium-1.0.18-RELEASE

./configure && make -j2 && make install

ldconfig



centos 

yum -y groupinstall "Development Tools"
wget https://github.com/jedisct1/libsodium/releases/download/1.0.11/libsodium-1.0.11.tar.gz
tar xf libsodium-1.0.11.tar.gz && cd libsodium-1.0.11
./configure && make -j2 && make install
echo /usr/local/lib > /etc/ld.so.conf.d/usr_local_lib.conf
ldconfig