How to mount remote folder with NFS

ON server side install NFS server
apt-get install nfs-kernel-server

Create file with NFS shares folders
touch /etc/exports

Add folder you want to share in it
/var/nfs-export *(rw,sync,no_subtree_check,no_root_squash)

Apply changes
exportfs -a

On client side
apt-get install nfs-common

Create folder where remote folder will be mounted
mkdir NFS-shares

Mount folder
# mount -t nfs YOUR-NFS-SERVER-IP:/var/nfs-export /mnt/NFS-shares/

Permanent mount on boot add to /etc/fstab
YOUR-NFS-SERVER-IP:/var/nfs-export /mnt/nfs/ nfs

Permissions troubles:
Check permission export options

you can set options in /etc/exports files, for a particular user