key-pairs configuation

key-pairs configuation

ssh-keygen -t rsa -f <file path> -C [user name]

local configuation

Host XXXX 
	HostName XX.XXX.XXX.XXX
	User XXXX
	Port XXXX
	Identityfile ~/.ssh/[YOUR KEY]

How to put public key to server?

Find authorized_keys in ~/.ssh/ of server
Add public key in this file

....
....

# Added by Yukun
Your Public key..............
...............
...............

However, if we are using google cloud, authorized_keys will be recovered by daemon. Solution:Managing SSH keys in metadata. add ssh public key in metadata rather than modify authorized_keys file.