服务端：

确认是否安装
rpm -qa nfs-utils rpcbind

安装：
yum install -y nfs-utils rpcbind

服务端开机启动
systemctl start rpcbind
systemctl enable rpcbind

systemctl start nfs-server
systemctl enable nfs-server

配置
 vim /etc/exports
 /mnt/share 172.18.0.0/16(rw,sync,insecure,no_subtree_check,no_root_squash)

#启动服务  
service rpcbind start
 
sudo service nfs-server restart 
sudo service nfs-server status

查看：
rpcinfo -p localhost 

showmount -e 10.xx.xx.xx

# 客户端
yum install -y nfs-utils
showmount -e 172.18.0.13
mkdir -p /mnt/share
mount 172.18.0.13:/mnt/share /mnt/share -o proto=tcp -o nolock
df -h | grep 172.18.0.13

udp:
 mount 172.18.0.13:/mnt/share /mnt/share

umount /mnt/share