How to build nfs service in ubuntu16.04

Introduction to NFS

NFS (Network File System) is a network file system, which is one of the file systems supported by FreeBSD. It allows computers in the network to share resources through the TCP/IP network. In NFS applications, local NFS client applications can transparently read and write files located on the remote NFS server, just like accessing local files.

The nfs service is used to realize file sharing between Linux and Linux. The construction of the nfs service is relatively simple.

Now let's introduce how to build nfs service in Ubuntu 16.04 system. The construction of Ubuntu is even simpler than that of Red Hat.

How to configure NFS in Ubuntu

1. Install nfs service

sudo apt install nfs-common 

2. Modify the configuration file

sudo vim /etc/exports

The modifications are as follows:

/home *(rw,sync,no_root_squash) 

The meaning of each paragraph is as follows, which will be modified according to actual situation.

/home: shared directory*: specify which users can access* all users who can ping the host 192.168.1.* specify the network segment, users in this network segment can mount 192.168.1.12 only this user can mount (ro,sync,no_root_squash): permissions ro: read-only rw: read-write sync: synchronization no_root_squash: do not reduce the root user's permissions

Other options man 5 exports View

3. Restart nfs service

sudo /etc/init.d/nfs-kernel-server restart

At this point, the nfs service is set up.

Here's how the client accesses the server:

1. Check whether the client and server are connected (ping command)

ping + 主機IP

2. View the shared directory on the server

showmount -e + host IP
showmount -e 192.168.1.93
Export list for 192.168.1.93:
/home *

3. Mount the directory locally

mount 192.168.1.93:/home /mnt 

4. Access

By accessing the local mnt directory, you can access the directory shared by the server.

Summarize

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