couldn,t give public repositry access to ubuntu

[basavaraj55]

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Hello i have created a public repositry for my project and i am giving a command in ubuntu to access the repositry (using the ssh or url) but the ubuntu is saying that the permission is denied it cannot access the repositry

[BDadmehr0]

When you encounter a "Permission denied" error while trying to access a Git repository on Ubuntu, it often indicates an issue with SSH keys or URL permissions. Let's troubleshoot the problem:

Possible Causes and Solutions

1. Check SSH Key Configuration (if using SSH URL):

   • If you are using an SSH URL (e.g., [email protected]:username/repo.git), you need to have your SSH key added to your GitHub or GitLab account. If the key is missing or incorrectly configured, you'll get a permission error.

   To check if you have an SSH key configured, run:

   ls -al ~/.ssh

   If there is a file like id_rsa and id_rsa.pub, you have SSH keys. If not, you'll need to generate one.

   Steps to generate and configure an SSH key:

   ssh-keygen -t rsa -b 4096 -C "[email protected]"

   After generating, add the key to the SSH agent:

   eval "$(ssh-agent -s)"
   ssh-add ~/.ssh/id_rsa

   Then, copy your public key to GitHub/GitLab:

   cat ~/.ssh/id_rsa.pub

   Add this key to your GitHub account under Settings > SSH and GPG keys.

2. Verify the Remote URL:
   Make sure you're using the correct repository URL. If you're using HTTPS, the command should look like:

   git clone https://github.com/username/repository.git

   For SSH, it should look like:

   git clone [email protected]:username/repository.git

3. Check Repository Permissions:

   • Ensure that the repository is public if you're using a public repository URL.
   • If it's private, you need to make sure your GitHub account has access, especially if you use HTTPS. Git will prompt you for a username and password (or a token).

4. Check SSH Key Access (for SSH URLs):
   To check if the correct SSH key is being used, run the following command:

   ssh -T [email protected]

   This should return something like:

   Hi username! You've successfully authenticated, but GitHub does not provide shell access.
   

   If it says "permission denied," the key might not be added to GitHub, or the wrong key is being used.

5. For HTTPS URLs (Token-based Authentication):
   If you're using an HTTPS URL and receiving a permission error, GitHub recently removed the support for password-based authentication. You'll need to use a personal access token instead of a password.

   To set this up:

   • Go to GitHub Settings > Developer settings > Personal access tokens.
   • Generate a new token with the appropriate permissions.
   • Use the token as your password when cloning/pushing with HTTPS.

6. Check File and Folder Permissions:
   Ensure that your SSH key files (~/.ssh/id_rsa and ~/.ssh/id_rsa.pub) have the correct permissions. They should be readable only by your user:

   chmod 600 ~/.ssh/id_rsa
   chmod 644 ~/.ssh/id_rsa.pub

Summary:

1. If using SSH, ensure your key is generated, added to the SSH agent, and uploaded to GitHub/GitLab.
2. If using HTTPS, ensure you're using a personal access token, not a password.
3. Ensure the repository URL is correct and you have permission to access the repository.

Let me know if you're using SSH or HTTPS, and I can guide you more specifically based on that!

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