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I am trying to push the code from the repository when I encountered this error:

No anonymous write access.

I have followed the steps mentioned in Git push from Visual Studio Code: "No anonymous write access. Authentication failed", but still, I got the same error.

I need some clarifications for the process mentioned in that question.

After doing the cat ~/.ssh/id_ed25519.pub, I saw the key in the format

ssh-ed25519 <key> <email>

Do I need to copy the whole thing in the key field of GitHub account like key+email or only key?

Is there another solution too apart from the clarification?

I copied all the content as per the answers I received. But then, I changed my remote from a https to a ssh link, and then I am getting this error while pushing:

sign_and_send_pubkey: signing failed: agent refused operation
git@github.com: Permission denied (publickey).
fatal: Could not read from remote repository.
Please make sure you have the correct access rights and the repository exists.

Answers

1. Clarified: Copy the whole thing in the key field of the GitHub account.

   ssh-ed25519 <key> <email>

2. If the error still persists after following the tutorial given in the link, then change the remote of the repository from https to ssh using

   git remote set-url origin git@github.com:<username>/<reponame>.git
   

3. Now if you encounter the error

      sign_and_send_pubkey: signing failed: agent refused operation
      git@github.com: Permission denied (publickey).
      fatal: Could not read from remote repository.
      Please make sure you have the correct access rights and the repository exists.
   

   Never forget to add the SSH key from where you are pushing the code:

    ssh-add