Packages of NFS-Ganesha, including (lib)ntirpc for Debian are
available here from the Gluster Community.

Packages are signed with the same key as the GlusterFS 3.8.x and
earlier packages.

If you haven't already added the GlusterFS key you can add it to apt with:

  wget -O - http://download.gluster.org/pub/gluster/glusterfs/3.8/rsa.pub | apt-key add -

or

  wget -O - http://download.gluster.org/pub/gluster/nfs-ganesha/rsa.pub | apt-key add -

Add the source:

    echo deb http://download.gluster.org/pub/gluster/nfs-ganesha/LATEST/Debian/jessie/apt jessie main > /etc/apt/sources.list.d/gluster.list 

or:
    echo deb http://download.gluster.org/pub/gluster/nfs-ganesha/LATEST/Debian/stretch/apt stretch main > /etc/apt/sources.list.d/gluster.list 

Update package list:

  apt-get update

Install:

  apt-get install nfs-ganesha nfs-ganesha-fsal