【教程】ubuntu下安装NFS服务器

安装 NFS server

mystery@lcw:~$ sudo apt-get install nfs-kernel-server 

  编辑/etc/exports,添加目标系统的根文件系统映射目录,假如目标系统的根文件系统最后映射到/home/mystery/nfs_files,则/etc/exports内容如下

/home/mystery/nfs_files *(subtree_check,rw,no_root_squash,async)    

  解释如下:

  • /home/mystery/nfs_files:映射目录
  • *:允许所以的主机挂载
  • subtree_check:子目录权限检查
  • rw:可读写
  • no_root_squash:无root权限
  • async:同步文件

重启服务

mystery@lcw:~$ sudo /etc/init.d/nfs-kernel-server restart
 * Stopping NFS kernel daemon
   ...done.
 * Unexporting directories for NFS kernel daemon...
   ...done.
 * Exporting directories for NFS kernel daemon...
exportfs: Failed to stat /home/mystery/nfs_files: No such file or directory
   ...done.
 * Starting NFS kernel daemon
   ...done.

mystery@lcw:~$ sudo exportfs
/home/mystery/nfs_files
                <world>
mystery@lcw:~$ 

   最好每修改过 /etc/exports 后都执行一次

测试NFS

  首先建立一个nfs测试的挂载点

mystery@lcw:~$ sudo mkdir /mnt/nfs
mystery@lcw:~$ ls /mnt/nfs/
mystery@lcw:~$  

  挂载NFS 

mystery@lcw:~$ sudo mount 192.168.7.233:/home/mystery/nfs_files /mnt/nfs/ -t nfs
mystery@lcw:~$  

  测试下 

mystery@lcw:~$ cd /mnt/nfs/
mystery@lcw:/mnt/nfs$ ls
mystery@lcw:/mnt/nfs$ touch test
mystery@lcw:/mnt/nfs$ ls
test
mystery@lcw:/mnt/nfs$ ls /home/mystery/nfs_files/
test
mystery@lcw:/mnt/nfs$ 

   OK,卸载

mystery@lcw:/mnt/nfs$ cd ..
mystery@lcw:/mnt$ sudo umount ./nfs/
mystery@lcw:/mnt$ cd nfs/
mystery@lcw:/mnt/nfs$ ls
mystery@lcw:/mnt/nfs$ 

 

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