Linux--nfs Network file sharing

NFS

NFS, network File system. A system shares directories and files with others on the network. By using NFS, users and programs can access local

file access to files on the system.
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advantages: Save disk space
Composition: one server and one or more clients

1. Install, open

[[email protected] ~]# Systemctl start NFS

[[email protected] ~]# Systemctl start NFS Open service

Add a Firewall Policy

List Firewall status

2. Shared directory

[Email protected] ~]# mkdir/public/nfs-p # #建立共享目录

[Email protected] ~]# mkdir/public/nfs/file # #建立共享文件

[Email protected] ~]# vim/etc/exports

[Email protected] ~]# EXPORTFS-RV

Exporting *:/public/nfs

Exports content

Test

Client

Mount

3.autofs (Auto Mount tool)

Automatically mounts successfully when there is a need for direct access to/net

Install, open (client)

[Email protected] ~]# yum install autofs.x86_64-y

[Email protected] ~]# systemctl start AutoFS

View the root directory of AutoFS

Auto-mount to/net

[Email protected] nfs]# vim/etc/auto.master

Permanent Mount

[Email protected] nfs]# Vim/etc/auto.nfs

[Email protected] nfs]# systemctl restart Autofs.service

4. Some configuration of the shared directory

To shared directory permissions

Server (117 host) Exports/public/nfs * (SYNC,RW) # #共享给所有人可读可写

[Email protected] ~]# Vim/etc/exports

[Email protected] ~]# EXPORTFS-RV # #将刚编辑内容刷新并加载

Exporting *:/public/nfs

Test (in Test host)

Server (117 host) Exports/public/nfs 172.25.254.0/24 (sync) # #共享给172.25.254.0/24 Network Segment Read-only

[Email protected] ~]# vim/etc/exports

[Email protected] ~]# EXPORTFS-RV

Exporting *:/public/nfs

Test (in Test host)

Server (117 host) Exports/public/nfs * (SYNC,NO_ROOT_SQUASH,RW) # #共享给所有人, when the customer segment uses root mount does not convert user identity

[Email protected] ~]# vim/etc/exports

[Email protected] ~]# EXPORTFS-RV

Exporting *:/public/nfs

Test (in Test host)

Server (117 host) Exports/public/nfs * (sync,rw,anonuid=1001,anongid=1001) # #共享给uid =1001,gid=1001 users can read and write

[Email protected] ~]# vim/etc/exports

[Email protected] ~]# EXPORTFS-RV

Exporting *:/public/nfs

Test (in Test host)

Linux--nfs Network file sharing