SSH alias login key login instance tutorial

Use an alias and key to log in on centos:

vim /root/.ssh/config #Enter the following content

Host *

User root #Log in as root

ServerAliveInterval 60 #Survival time

#test1

Host q0 #Login alias

HostName 10.10.10.1 #ip address

User root

Port 22

IdentityFile ~/.ssh/skey_web #Path of private key

#web1

Host q1

HostName 10.10.10.1

User root

Port 22

IdentityFile ~/.ssh/ skey_web

Transfer the private key to the path defined above to modify permissions:

chmod 600 ~/.ssh/skey_web

Required Want to change. Only the owner can read and write

Then restart ssh and try to log in:

ssh q1

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