ubuntu14.04 部署nfs服务

安装nfs服务

apt-get install nfs-kernel-server

修改配置文件，共享目录为/var/www，*号可替换为客户端IP地址，*默认为任何部署了nfs客户端的IP可以挂载该目录（默认共享目录仅支持一台客户端挂载）

root@CS151230001:~# cat /etc/exports 
# /etc/exports: the access control list for filesystems which may be exported
#		to NFS clients.  See exports(5).
#
# Example for NFSv2 and NFSv3:
# /srv/homes       hostname1(rw,sync,no_subtree_check) hostname2(ro,sync,no_subtree_check)
#
#/data2/html1/ *(rw,sync,no_root_squash,no_subtree_check)
# Example for NFSv4:
# /srv/nfs4        gss/krb5i(rw,sync,fsid=0,crossmnt,no_subtree_check)
# /srv/nfs4/homes  gss/krb5i(rw,sync,no_subtree_check)
#
/var/www/ *(insecure,rw,sync,no_root_squash,no_subtree_check)

配置固定端口，方便添加防火墙策略，尤其是云服务器

root@CS151230001:~# cat /etc/default/nfs-kernel-server 
# Number of servers to start up
RPCNFSDCOUNT=8

# Runtime priority of server (see nice(1))
RPCNFSDPRIORITY=0

# Options for rpc.mountd.
# If you have a port-based firewall, you might want to set up
# a fixed port here using the --port option. For more information,
# see rpc.mountd(8) or http://wiki.debian.org/SecuringNFS
# To disable NFSv4 on the server, specify '--no-nfs-version 4' here
RPCMOUNTDOPTS="--manage-gids --port 32767"

# Do you want to start the svcgssd daemon? It is only required for Kerberos
# exports. Valid alternatives are "yes" and "no"; the default is "no".
NEED_SVCGSSD=""

# Options for rpc.svcgssd.
RPCSVCGSSDOPTS=""

# Options for rpc.nfsd.
RPCNFSDOPTS="--nfs-version 2,3,4 --debug --syslog"

　　

root@CS151230001:~# cat /etc/default/nfs-common
# If you do not set values for the NEED_ options, they will be attempted
# autodetected; this should be sufficient for most people. Valid alternatives
# for the NEED_ options are "yes" and "no".

# Do you want to start the statd daemon? It is not needed for NFSv4.
NEED_STATD=

# Options for rpc.statd.
#   Should rpc.statd listen on a specific port? This is especially useful
#   when you have a port-based firewall. To use a fixed port, set this
#   this variable to a statd argument like: "--port 4000 --outgoing-port 4001".
#   For more information, see rpc.statd(8) or http://wiki.debian.org/SecuringNFS
STATDOPTS="--port 32765 --outgoing-port 32766"

# Do you want to start the gssd daemon? It is required for Kerberos mounts.
NEED_GSSD=

　　

重启以下服务

/etc/init.d/rpcbind restart
/etc/init.d/nfs-kernel-server restart

重载配置文件

 exportfs -rv

查询监听端口

rpcinfo -p

测试是否共享目录成功

showmount -e 服务器IP地址

　　

参考：

https://blog.csdn.net/yuanhangq220/article/details/82421183

NFS挂载时出现"access denied by server while mounting"的解决方法

1、使用了非法端口，也就是使用了大于1024的端口。
这个错误，可以通过查看日志确认：
[root@local~ /]# cat /var/log/messages | grep mount
Jan 2 12:49:04 localhost mountd[1644]: refused mount request from 192.168.0.100 for /home/nfsshare/ (/home/nfsshare): illegal port 1689
 
解决办法：
修改配置文件/etc/exports，加入 insecure 选项,重启nfs服务，再尝试挂载。
/home/nfsshare/　　*(insecure,rw,async,no_root_squash)

http://www.heminjie.com/system/linux/2998.html