GitLab 설정 및 올리기

[GitLab] You are not allowed to push code to protected branches on this project
출처: https://ipex.tistory.com/entry/GitLab-You-are-not-allowed-to-push-code-to-protected-branches-on-this-project [깍돌이]

master -> master[rejected -non-fast-forward]
출처: https://ipex.tistory.com/entry/master-masterrejected-nonfastforward [깍돌이]

GIT에서 강제로 Push 하기 / push 에러 해결하기 ( error: failed to push some refs to )
출처: https://carmack-kim.tistory.com/29

gitlab 기존 프로젝트 올리기(참고1)
https://beomseok95.tistory.com/132

gitlab 기존 프로젝트 올리기(참고2)
출처: https://cpdev.tistory.com/60 [하루하나]