1.在A执行：
sudo apt-get install rpcbind nfs-kernel-server sudo iptables -I INPUT -s x.x.x.b -j ACCEPT echo "/p x.x.x.0/24(rw,sync,no_root_squash,no_subtree_check)" >> /ect/exports sudo exportfs -ra sudo service nfs-kernel-server start
2.在B执行：
sudo apt-get isntall nfs-common sudo mount -t nfs x.x.x.a:/p /q如果不行，阅读原文：https://help.ubuntu.com/community/SettingUpNFSHowTo
