Catalog

NFS summary

NFS working principle

FNS characteristic

NFS To configure

NFS summary

NFS It's based on TCP/IP Transport network file system protocol , By the first sun Companies to develop . By using NFS agreement , The directory can be accessed as a remote client NFS Shared resources in the server

NFS It's also NAS A protocol that storage devices must support , But because there is no user authentication mechanism , And the data is transmitted in plain text over the network , The security is very poor , So it can only be used in LAN .

NFS working principle

NFS The server can make PC The NFS Server shared directory mount To the local file system , And in the local system , The directory of the remote host is like a partition of its own , It's quite convenient to use

FNS characteristic

use TCP/IP Transfer network files

Low security

Easy to operate

Suitable for LAN environment

NFS To configure

systemctl stop firewalld   Turn off firewall
systemctl disable firewalld Do not turn on the firewall
setenforce 0   Turn off core protection

 yum install -y nfs-utils rpcbind  Download the installation package

 mkdir -p /opt/ Catalog name
chmod 777 /opt/ Catalog name    ## Create a directory to share and give permissions

 vim /etc/exports   ## Go to configuration file

Changing configuration files

 systemctl start rpcbind start-up
systemctl start nfs     start-up

showmount -e    Check out the NFS

  Then we switch to another virtual machine

yum install -y nfs-utils rpcbind

 systemctl start rpcbind Start the service

  Create mount directory

 vim /etc/fstab

Mount

  After completion To test use 128 Machine stay /xiaoyun Create files and write data in

 131 Your machine can also see

   Reuse 131 The machine writes data

128 May see