How to link local and remote repositories?

Question

git

I have two githubs, on the 2nd I created an empty repo in which I want to push the project. I did this: I
changed the user locally
git config user.name
git config [email protected]
///////////////// ////
git init
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git add -A
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git commit
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git remote add origin "the repo I created"
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git push - u origin master
Error:
remote: Permission to Benjamin-Button/toDoList.git denied to artsiomLegat.
fatal: unable to access ' https://github.com/Benjamin-Button/toDoList.git/ ': The requested URL returned error: 403

Answer 1

The problem was that the transfer protocol had to be changed to ssh, and the default was https, added a key to the ssh repo and it all worked. I don't know why..