SSH three components ssh, SFTP, SCP (verbose)

SSH consists of 3 components

　(1) SSH telnet node: ssh user name @IP address

① does not allow null password or bad password Authentication login

② does not allow root user Login

③ has two versions of SSH,ssh2 security is higher

(2) Sftp file sharing connection, xftp connection is sftp Implementation

(3) SCP file copy sharing

SCP command: Copy transfer of two node files

(1) Sending files to the target node: SCP path/filename User name @ip address: Directory

such as: to the 127.0.0.1 node root user/tmp to upload files

SCP path/file name [email protected]:/tmp

(2) Pull file from Target node: SCP username @ip Address: path/filename File directory

Note : When copying remotely to a target node , it is equal to creating a an identical file. , when the original file   file properties have changed (such as when the file was created) If you do not expect the file attributes to change

Scp-p-R XXX

-P: File attributes do not change (recommended addition)

-R : If the copy is the directory needs to add - R , recursion

-P (uppercase ) : Specifies the port number if the port number has changed in ssh

　　　　

SSH three components ssh, SFTP, SCP (verbose)