NFS Server for file sharing

NFS Server Implementing file Sharing

An experimental requirement

1 familiar with the creation of/etc/exports

2 Mastering the methods of activating service Portmap and NFS

3 Mastering client and server-side settings

4 Familiar with showmount function

5 Mastering the Use of NFS for file sharing visits between two Linux computers

Two experimental contents and steps

(i) NFS server-side settings

( 1 ) using VI Edit /etc/exports file, if the file does not exist, establish itself.

Fill in the content:

directory host name to be shared or IP Address 1 (parameter 1, parameter 2) host 2 (Parameter ... .. )

The parameters are the permission settings of the corresponding host, usually:

RW: Readable and writable

RO: Read-only

No_root_squash:root the client is still rooted after login, generally unsafe.

Root_squash:root when a customer logs on, it becomes an anonymous user.

Sync: Data synchronously written to memory and hard disk

Async: Data is stored in memory rather than directly to the hard disk.

For example: In the desktop new folder named NewShare, create a file File1,file2 in this folder, create a folder Dir1,dir2.

Share the NewShare.

Command:

Vi/etc/exports

/root/desktop/newshare 10.212.22.* (Rw,no_root_squash,sync)

10.212.22.* said that all IP in the restricted network can be accessed, or specify an IP address, which can only be accessed by the machine.

( 2 ) Activation Portmap,nfs Service

These two services are already active in the general system and can be reactivated once, to be sure.

Command:

Service Portmap Restart

Service NFS Restart

( 3 ) /etc/exports after modification, the new load

Command

EXPORTFS-RV// re-export the file system

( 4 ) Inspection Catalogue /var/lib/nfs/xtab

This file records all the shared directory information. If not, it is established.

Also use VI to create.

Command:

Vi/var/lib/nfs/xtab

/root/desktop/newshare 10.212.22.* (Rw,no_root_squash,sync)

( 5 ) Last available Showmount View the shared directory on this computer

Command

showmount-e This machine IP or server machine IP

(ii) client-side settings

( 1 ) using Showmount View shared directories on the server

Command:

showmount-e Server host name or IP Address

( 2 ) to establish a local mount point on the client

Suppose you want to attach the host content to the share directory on the client desktop. Create a new share directory on the client desktop.

Command:

mkdir Share

mount-t NFS [email protected]@@ ( here is the hostname or IP of the server ) : /root/desktop/newshare/root/desktop/share

This mounts the NewShare directory on the server to the local share directory and has read and write operations.

( 3 ) using Umount Uninstalling a mounted NFS Catalogue

For example, to uninstall a directory that has just been mounted

Umount/root/desktop/share

The content in the local directory and the host are disconnected.

( 4 Note that the server firewall is turned off when mounted.

"Desktop"-"Manage"-"security: ", turn off the firewall.

NFS Server for file sharing