Teach you to use the SCP to perform a scheduled backup between Linux hosts

On both Linux hosts and SSH privileges, it is recommended that you use the SCP command backup, which is fast and encrypted and has high security. But large data files, do not recommend the use of this method to back up!

OK, the experiment is simple:

1 SSH transmission requires the key we need to create the key to verify!

SSH Server side:

[Root@text ~]# ssh-keygen-t RSA

Generating public/private RSA key pair.

Enter file in which to save the key (/ROOT/.SSH/ID_RSA): Enter

Enter passphrase (empty for no passphrase): Enter key

Enter Same Passphrase Again:enter key

Your identification has been saved In/root/.ssh/id_rsa.

Your public key has been saved in/root/.ssh/id_rsa.pub.

The key fingerprint is:

Xx:xx:xx:xx:xx:xx:xx:xx:xx:xx:xx:xx:xx:xx:xx:xx root@text.org

[Root@text ~]# CD. ssh/

[Root@text. ssh]# ls

Id_rsa id_rsa.pub known_hosts

[Root@text. ssh]# SCP id_rsa.pub Root@192.168.0.160:/root/.ssh/authorized_keys

Enter password key transmission for target host passed

Then the next transfer file will not be prompted to enter the password!

This is a good start for our crontab to write a scheduled task backup.

Author Signature: 51cto blog Baby garden Children's shoes

See more highlights of this column: http://www.bianceng.cnhttp://www.bianceng.cn/OS/Linux/