How to Configure NFS Client on Linux

nfsNetwork File System or NFS, is a server-client protocol for sharing files between computers on network. NFS server will enables it’s client to mount a file system on a remote server as if it were local to your own system. In this example, i will configure a nfs client on linux.

Prerequisites :
How to Configure Linux NFS Server on CentOS 6.2

NFS Server = centos62.ehowstuff.local
NFS Server Ip Address = 192.168.1.44

1. Install NFS client packages :

[root@NFS-Client ~]# yum install nfs-utils -y

Examples :

[root@NFS-Client ~]# yum install nfs-utils -y
Loaded plugins: fastestmirror
Loading mirror speeds from cached hostfile
 * Webmin: download.webmin.com
 * base: mirror.oscc.org.my
 * epel: mirrors.ispros.com.bd
 * extras: mirror.oscc.org.my
 * rpmforge: mirror.oscc.org.my
 * updates: mirror.oscc.org.my
CentOS5.8-Repository                                                         | 1.3 kB     00:00
rpmforge/primary_db                                                          | 7.1 MB     01:07
updates                                                                      | 1.9 kB     00:00
updates/primary_db                                                           | 503 kB     00:04
Setting up Install Process
Resolving Dependencies
--> Running transaction check
---> Package nfs-utils.i386 1:1.0.9-60.el5 set to be updated
--> Processing Dependency: portmap >= 4.0 for package: nfs-utils
--> Processing Dependency: libgssapi.so.2(libgssapi_CITI_2) for package: nfs-utils
--> Processing Dependency: librpcsecgss.so.2 for package: nfs-utils
--> Processing Dependency: libevent-1.4.so.2 for package: nfs-utils
--> Processing Dependency: libgssapi.so.2 for package: nfs-utils
--> Processing Dependency: nfs-utils-lib for package: nfs-utils
--> Processing Dependency: libnfsidmap.so.0 for package: nfs-utils
--> Processing Dependency: libgssapi for package: nfs-utils
--> Processing Dependency: libevent for package: nfs-utils
--> Running transaction check
---> Package libevent.i386 0:1.4.13-1 set to be updated
---> Package libgssapi.i386 0:0.10-2 set to be updated
---> Package nfs-utils-lib.i386 0:1.0.8-7.9.el5 set to be updated
---> Package portmap.i386 0:4.0-65.2.2.1 set to be updated
--> Finished Dependency Resolution

Dependencies Resolved

====================================================================================================
 Package                Arch          Version                   Repository                     Size
====================================================================================================
Installing:
 nfs-utils              i386          1:1.0.9-60.el5            CentOS5.8-Repository          401 k
Installing for dependencies:
 libevent               i386          1.4.13-1                  base                          112 k
 libgssapi              i386          0.10-2                    base                           22 k
 nfs-utils-lib          i386          1.0.8-7.9.el5             base                           64 k
 portmap                i386          4.0-65.2.2.1              base                           37 k

Transaction Summary
====================================================================================================
Install       5 Package(s)
Upgrade       0 Package(s)

Total download size: 636 k
Downloading Packages:
(1/5): libgssapi-0.10-2.i386.rpm                                             |  22 kB     00:00
(2/5): portmap-4.0-65.2.2.1.i386.rpm                                         |  37 kB     00:00
(3/5): nfs-utils-lib-1.0.8-7.9.el5.i386.rpm                                  |  64 kB     00:00
(4/5): libevent-1.4.13-1.i386.rpm                                            | 112 kB     00:01
----------------------------------------------------------------------------------------------------
Total                                                               287 kB/s | 636 kB     00:02
Running rpm_check_debug
Running Transaction Test
Finished Transaction Test
Transaction Test Succeeded
Running Transaction
  Installing     : libgssapi                                                                    1/5
  Installing     : portmap                                                                      2/5
  Installing     : libevent                                                                     3/5
  Installing     : nfs-utils-lib                                                                4/5
  Installing     : nfs-utils                                                                    5/5

Installed:
  nfs-utils.i386 1:1.0.9-60.el5

Dependency Installed:
  libevent.i386 0:1.4.13-1        libgssapi.i386 0:0.10-2     nfs-utils-lib.i386 0:1.0.8-7.9.el5
  portmap.i386 0:4.0-65.2.2.1

Complete!

2. Start NFS services :

[root@NFS-Client ~]# service portmap start
Starting portmap:                                          [  OK  ]
[root@NFS-Client ~]# /etc/rc.d/init.d/rpcidmapd start
Starting RPC idmapd:                                       [  OK  ]
[root@NFS-Client ~]# /etc/rc.d/init.d/nfslock start
Starting NFS statd:                                        [  OK  ]
[root@NFS-Client ~]# /etc/rc.d/init.d/netfs start
Mounting other filesystems:                                [  OK  ]

3. Make NFS services autostart at boot :

[root@NFS-Client ~]# chkconfig portmap on
[root@NFS-Client ~]# chkconfig rpcidmapd on
[root@NFS-Client ~]# chkconfig nfslock on
[root@NFS-Client ~]# chkconfig netfs on

4. create a mount point, by making a directory. Crete /shared folder as a mount point :

[root@NFS-Client ~]# mkdir /shared

5. Mount this /sharedfolder from NFS server on /shared mount point :

[root@NFS-Client ~]# mount -t nfs centos62.ehowstuff.local:/sharedfolder /shared
[root@NFS-Client ~]# df
Filesystem           1K-blocks      Used Available Use% Mounted on
/dev/sda3             11064148   1639860   8853180  16% /
/dev/sda1               101086     11653     84214  13% /boot
tmpfs                   517336         0    517336   0% /dev/shm
/dev/hdc               3831642   3831642         0 100% /mnt
centos62.ehowstuff.local:/sharedfolder
                      12941696   4879104   7405184  40% /shared

6. Open /etc/fstab file. Make entry for nfs shared directory and define /shared to mount point :

[root@NFS-Client ~]# vi /etc/fstab
LABEL=/                 /                       ext3    defaults        1 1
LABEL=/boot             /boot                   ext3    defaults        1 2
tmpfs                   /dev/shm                tmpfs   defaults        0 0
devpts                  /dev/pts                devpts  gid=5,mode=620  0 0
sysfs                   /sys                    sysfs   defaults        0 0
proc                    /proc                   proc    defaults        0 0
LABEL=SWAP-sda2         swap                    swap    defaults        0 0
centos62.ehowstuff.local:/sharedfolder /shared  nfs     defaults        0 0

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