CentOS 6 installation of NFS and key configuration detailed

NFS is a network file system that allows multiple machines to share a file resource that accesses a single host.
NFS may be used in the following situations:
1. Multiple PCs share printers, CD-ROMs, and other resources using the same PC.
2, multiple clients to access the same network resources, to ensure that access to the same resource is not different.
3, Web applications, if you need to access certain domain names to another server, you can configure the folder under the domain name through NFS to the target server.

The following Records centos6.* NFS installation and configuration:

To install NFS, there must be more than two machines, one for the host and the other as the client.

Main:
172.26.11.100
Client:
172.26.11.74

First, install on the primary server:

The code is as follows

Copy Code

Yum-y Install Nfs-utils Rpcbind #建立需要共享的文件目录: Mkdir/data/share echo '/data/share/1.txt ' > Chmod-r 777/data/share #配置文件设置: Vim/etc/exports ###################### #表示共享目录为/data/share,172.26.11.0-172.26.11.254 range IP Access, access is readable writable rw,root user /data/share 172.26.11.0/24 * (Insecure,rw,async,no_root_squash) ###################### #设置开机启动 Chkconfig NFS On #手动启动nfs, note that you need to start Rpcbind before you start NFS /etc/init.d/rpcbind start /etc/init.d/nfs start Firewall for #配置针对NFS server Vim/etc/sysconfig/nfs ################################ # Port Rquotad should listen on. rquotad_port=875 # TCP Port RPC.LOCKD should listen on. lockd_tcpport=32803 # UDP Port RPC.LOCKD should listen on. lockd_udpport=32769 # Port RPC.MOUNTD should listen on. mountd_port=892 ############################### Rpcinfo-p localhost Service NFS Restart Rpcinfo-p localhost Vim/etc/sysconfig/iptables ################################### ... : Rh-firewall-1-input-[0:0] -A input-j Rh-firewall-1-input -A forward-j Rh-firewall-1-input -A rh-firewall-1-input-i lo-j ACCEPT -A rh-firewall-1-input-p ICMP--icmp-type any-j ACCEPT -A rh-firewall-1-input-p 50-j ACCEPT -A rh-firewall-1-input-p 51-j ACCEPT -A rh-firewall-1-input-p UDP--dport 5353-d 224.0.0.251-j ACCEPT -A rh-firewall-1-input-p udp-m UDP--dport 631-j ACCEPT -A rh-firewall-1-input-p tcp-m tcp--dport 631-j ACCEPT -A rh-firewall-1-input-m state--state established,related-j ACCEPT -A rh-firewall-1-input-m state--state new-m tcp-p TCP--dport 22-j ACCEPT -A rh-firewall-1-input-m state--state new-m tcp-p TCP--dport 80-j ACCEPT -A rh-firewall-1-input-m state--state new-m tcp-p TCP--dport 3306-j ACCEPT -A rh-firewall-1-input-m state--state new-m tcp-p TCP--dport 111-j ACCEPT ... ################################## /etc/init.d/iptables restart

Second, install on the client:

code is as follows	copy code
Yum-y Install nfs-utils rpcbind   #查看是否能访问172.26.11.100 NFS: showmount-e 172.26.11.100   #建 The same directory: Mkdir/data/share chmod-r 777/data/share #挂载到nfs服务器的目录: mount-t NFS 172.26.11.100:/data/share / /data/share/   #查看是否能看到里面的1. txt ls/data/share/   #设置开机自动挂载: Echo mount-t NFS 172.26.11.100:/data/share/ /data/share/"  >>/etc/rc.d/rc.local #重启机器: Init 6