The Network File System (NFS) was developed to allow machines to mount a disk partition on a remote machine as if it were on a local hard drive. This allows for fast, seamless sharing of files across a network. It also gives the potential for unwanted people to access your hard drive over the network.
NFS Configration in RHEL 6/CentOS 6
yum install nfs*
rpm packeages
nfs-utils-lib-1.1.5-4.el6.x86_64
nfs4-acl-tools-0.3.3-5.el6.x86_64
nfs-utils-1.2.3-15.el6.x86_64
vim /etc/exports
/var/ftp/pub *(ro,sync) #for entire network
/data 192.168.1.5(rw,sync) #for particular machine
/jp 192.168.1.0/24(ro,sync) #for particular network
mkdir /data
mkdir /jp
service rpcbind status
rpcbind (pid 9905) is running...
service nfs restart
Shutting down NFS mountd: [ OK ]
Shutting down NFS daemon: [ OK ]
Shutting down NFS quotas: [ OK ]
Shutting down NFS services: [ OK ]
Starting NFS services: [ OK ]
Starting NFS quotas: [ OK ]
Starting NFS daemon: [ OK ]
Starting NFS mountd: [ OK ]
chkconfig rpcbind on
chkconfig nfs on
exportfs
/data 192.168.1.5
/jp 192.168.1.0/24
/var/ftp/pub <world>
#see what the exported file system parameters look like
/usr/sbin/exportfs −v
exportfs -av
exporting 192.168.1.0/24:/jp
exporting 192.168.1.5:/data
exporting *:/var/ftp/pub
showmount -e 192.168.1.4
/var/ftp/pub *
/jp 192.168.1.0/24
/data 192.168.1.5
mount 192.168.1.4:/data /mnt/
#verify nfs is running
rpcinfo −p localhost run on the server
rpcinfo −p servername run on the client
#to check allow and deny
/etc/hosts.allow
/etc/hosts.deny
exportfs −ra to force nfsd to re−read the /etc/exports file.
netstat −rn should show:
Destination Gateway Genmask Flags MSS Window irtt Iface
192.168.1.0 0.0.0.0 255.255.255.0 U 0 0 0 eth0
nfsstat
rpm -qa | grep -i nfs
rpm -qi nfs-utils
tracepath server(IP)
# strings /sbin/portmap | grep hosts
NFS Configration in RHEL 6/CentOS 6
yum install nfs*
rpm packeages
nfs-utils-lib-1.1.5-4.el6.x86_64
nfs4-acl-tools-0.3.3-5.el6.x86_64
nfs-utils-1.2.3-15.el6.x86_64
vim /etc/exports
/var/ftp/pub *(ro,sync) #for entire network
/data 192.168.1.5(rw,sync) #for particular machine
/jp 192.168.1.0/24(ro,sync) #for particular network
mkdir /data
mkdir /jp
service rpcbind status
rpcbind (pid 9905) is running...
service nfs restart
Shutting down NFS mountd: [ OK ]
Shutting down NFS daemon: [ OK ]
Shutting down NFS quotas: [ OK ]
Shutting down NFS services: [ OK ]
Starting NFS services: [ OK ]
Starting NFS quotas: [ OK ]
Starting NFS daemon: [ OK ]
Starting NFS mountd: [ OK ]
chkconfig rpcbind on
chkconfig nfs on
exportfs
/data 192.168.1.5
/jp 192.168.1.0/24
/var/ftp/pub <world>
#see what the exported file system parameters look like
/usr/sbin/exportfs −v
exportfs -av
exporting 192.168.1.0/24:/jp
exporting 192.168.1.5:/data
exporting *:/var/ftp/pub
showmount -e 192.168.1.4
/var/ftp/pub *
/jp 192.168.1.0/24
/data 192.168.1.5
mount 192.168.1.4:/data /mnt/
#verify nfs is running
rpcinfo −p localhost run on the server
rpcinfo −p servername run on the client
#to check allow and deny
/etc/hosts.allow
/etc/hosts.deny
exportfs −ra to force nfsd to re−read the /etc/exports file.
netstat −rn should show:
Destination Gateway Genmask Flags MSS Window irtt Iface
192.168.1.0 0.0.0.0 255.255.255.0 U 0 0 0 eth0
nfsstat
rpm -qa | grep -i nfs
rpm -qi nfs-utils
tracepath server(IP)
# strings /sbin/portmap | grep hosts
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