[RUBY] How to avoid having to enter your username and password every time with git push-Ssh connection

To git push from Cloud9 I tried to find out that I was asked for a user name and password every time (Thanks to the author of the article below)

Solution for the problem of being asked for the git password every time-Qiita

Try setting it once in the terminal of the local environment I tried push from Cloud 9 but the authentication did not work

Key registration must be done for each device

Even if it is already set in the local environment If you repeat the same procedure on Cloud9, you can connect to SSH.

I knew how the authentication key works, key? Click here

Procedure for ssh connection on GitHub ~ From generation of public / private key ~ --Qiita

About the mechanism of SSH

What programmers should know about SSH-Qiita