An in-depth discussion on how to set GitLab permissions through public keys

GitLab is a popular code version control management tool, which provides a convenient platform for team collaboration and development. One of the most important functions is permission setting, which allows administrators to control users' operating permissions in the warehouse. This article will discuss in depth how to set GitLab permissions through public keys.

GitLab’s permission system

GitLab’s permissions are divided into three levels: system level, group level and project level. System-level permissions involve the settings of the entire GitLab instance, including administrators, user management, and global configuration. Group-level permissions apply to all projects, and organizational membership, group operations, and access permissions can be set at this level. Finally, project-level permissions are only set on the specific repository selected, including repository membership, access levels, push permissions, etc.

How to set up a public key

In GitLab, the public key is an authentication method that allows users to access the Git repository through the SSH protocol. Public keys are a secure method that protects users' private data through the use of key pairs, while ensuring that only authorized users have access to the repository when uploading the public key into a Git repository.

Public keys in GitLab can be uploaded in a variety of ways, including SSH keys, OAuth tokens, and Personal Access Tokens. These upload methods are introduced below.

SSH Key

When using the SSH protocol to connect to the GitLab server, an SSH key pair is used to authenticate the user. To submit your SSH key, follow these steps:

1. Open GitLab’s User Settings page.
2. Click on the "SSH Keys" tab.
3. Copy the public key and add it to the SSH key list.

OAuth Token

OAuth token is an authentication method that can be used for GitLab API access. To submit an OAuth token, follow these steps:

1. Open GitLab’s User Settings page.
2. Click on the "Access Tokens" tab.
3. Create a new access token and add it to the OAuth token list.

Personal Access Tokens

Personal Access Tokens are one-time access tokens that allow specific users to access the GitLab API. To submit Personal Access Tokens, follow these steps:

1. Open GitLab’s User Settings page.
2. Click on the "Personal Access Tokens" tab.
3. Create a new Personal Access Tokens and add it to the list.

Notes

Although public keys are a very secure method of authentication, you need to pay attention to the following points when uploading it:

1. Do not upload the private key to the GitLab server.
2. Make sure the public key matches your computer or server's private key.
3. Change your public key regularly to stay secure.

Conclusion

By using public keys, you can securely set permissions in GitLab. Knowing how to upload a public key is necessary as this helps ensure that unauthorized persons cannot access your GitLab repository. If you find yourself needing more help, check out GitLab's official documentation, which provides more detailed setup and tutorials.

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