Do note that by default, a 1024 bit key is generated, so make sure to not use the default. Although it is recommended you use an SSH key of at least 2048 bits. However, if you have a good reason to, there are also RSA SSH keys, which would work just as well on GitLab. It is generally recommended you use ED25519 SSH keys, which are more secure, and should be available on any system. Whenever you push code to the hosted repository, it will trigger the pipeline and it will be automated from there, and that action might be scheduled to run many times a day. The vast majority of actions you will be taking on GitLab via SSH will be pushing changes from your local git repository to the hosted repository on GitLab.Īlthough there are other actions you can take, such as starting the GitLab CI/CD pipeline, once started you’re not going to need to interact with the GitLab runner often. SSH keys are one of the choices for authentication against GitLab servers. Once this is set up, the server can ask the user for proof of identity using the public key and the user can prove it using the private key. The private key, however, is kept by the user and should not be copied or exposed in any way. It doesn’t really matter if it can be viewed as it is public information. When using an SSH key pair as a method of authentication, the public key is stored on the server. Private Key – Can be used as proof of identity, and is used to authenticate a user’s connection to the server. Public Key – Can be used to encrypt data in such a way so only the holder of the corresponding private key can decrypt it. Each SSH key pair has a public and a private key. In order to communicate over SSH (Secure Shell), you must have an SSH key pair. In this article, we’ll review what SSH keys are in the context of GitLab authentication, how to create them, and how to keep them safe. Moreover, when using CI/CD and automation tools, SSH keys are a much better choice for securely authenticating your GitLab account. This can result in quite a lot of prompts. Things tend to get a little more complicated when sending Git commands to a server over HTTPS demands the user submit their username and password in order to perform each action.
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