This is a file to how confugate ssh access

ssh-usage.md

Gen

ssh-keygen -t rsa -b 4096 -C "yourmail@gmail.com"

Test connection

ssh -T git@github.com
ssh -T git@gitlab.com

Config

.ssh/config

# vim: tabstop=2 shiftwidth=2 softtabstop=2
# GitLab.com
Host gitlab.com
  PreferredAuthentications publickey
  IdentityFile ~/.ssh/gitlab_rsa

# GitHub.com
Host github.com
  PreferredAuthentications publickey
  IdentityFile ~/.ssh/github_rsa