How to Use NFS for folder sharing in UBUNTU

In UBUNTU, how to use NFS to share folders-Linux Enterprise applications-Linux server applications is described below. Recently, we developed ARM Linux to use NFS to upgrade the target board's file system. Therefore, it is necessary to start NFS on a computer. In fact, this method has never been used. In the past, the kernel and file system were downloaded through a serial port, so the speed was slow. I am too lazy to study the NFS update method. I have read some documents and posts related to the NFS service before I start. My memory is not very good. record it for search.

Installation:

# Sudo apt-get install nfs-common
# Sudo apt-get install nfs-kernel-server

Modify the/etc/exports file and add the following lines:

Format: [shared directory] [host name or IP address] (parameter, parameter)/home/armnfs 192.168.1.6 (rw)

This explains: armnfs is a directory created under my home, used to store the target file system, that is, the shared directory. To whom to share? The IP address next to it. The permission is readable and writable.

Start NFS:

#/Etc/init. d/nfs-kernel-server start the other two useful parameters are stop and restart.

The client mounts the shared folder on the NFS server:

# Mount [server IP]:/[share dir] [local mount poin]

Example: # mount 192.168.1.5:/home/armnfs/mnt/arm

You can access the folder on the server by accessing/mnt/arm on the client.

Of course, NFS still has many parameters, which are of no use to me, so I will ignore them. However, there are two files worth mentioning:

/Etc/host. allow ------------> List of IP addresses of the client that can be accessed/etc/host. deny ----------> List of IP addresses of the client that cannot be accessed.