Git is a distributed version control system, originally written by Linus Torvalds in 2005 for and with help from the Linux kernel community. We’ll list about a dozen useful resources at the end of this article. Let’s fix that.įor those of you who are unfamiliar with Git or GitHub, the next few paragraphs will give you enough background to understand the tips. Then, open the config file and paste the following: Host * AddKeysToAgent yes UseKeychain yes IdentityFile ~/.While Git users have dozens of get-started guides to choose from, and GitHub offers a number of guides of its own, it’s still not easy to find a collection of useful tips for developers who want to work smarter with Git and GitHub. If you don’t already have the config file inside your /.ssh folder, create one: touch ~/.ssh/config Automatically add your SSH key to the ssh-agent.For our purposes, let’s take a look at two options that will be useful: You can set up a config file for SSH with various options. Set up the config file for some convenient options Replace id_ed25519_github with the name of your own SSH keyģ.If you have not set a passphrase for your key, you can omit the -apple-use-keychain flag.This adds the passphrase of your SSH key automatically to the keychain so that you don’t have to enter the passphrase every time you make an SSH connection (previously, the flag was -K) -apple-use-keychain flag is Apple’s standard version of ssh-add.Make sure to use the default macOS ssh-add command, as opposed to one installed by an external source (e.g.Add your SSH private key to the ssh-agent ssh-add -apple-use-keychain ~/.ssh/id_ed25519_github Replace zsh with bash or whichever shell you are using. Start the ssh-agent in the background: eval "$(ssh-agent -s)" To connect to a remote server (Github, in our case) using SSH, we need to first add the SSH key to the ssh-agent. >Enter a file in which to save the key (/Users/ you/.ssh/id_ed25519): /Users/you/.ssh/id_ed25519_github >Generating public/private ed25519 key pair. If you want to save your new SSH key pair with a different name, you can copy what is inside the parenthesis ( Users/you/.ssh/id_ed25519) and replace the name part with the name you want, e.g.If you just press enter, your new SSH key pair will be saved in the default location ( /.ssh) with the default name ( id_ed25519) as indicated inside the parenthesis of the prompt.>Enter a file in which to save the key (/Users/ you/.ssh/id_ed25519): When you get the following prompt: >Generating public/private ed25519 key pair. Enter the path with filename in which to save the key -t ed25519 sets the encryption algorithm for your SSH key to ed25519ģ.-C flag sets a comment or label for identifying your SSH key, and using your email as the comment is a common practice.Enter the following command: ssh-keygen -t ed25519 -C " replace with your Github account email Now, if you don’t already have an SSH key, let’s generate a new key!įollow the below steps to generate a new SSH key: 1. It is widely recommended (also by Github) that you use ed25519 encryption for your SSH keys. These represent the type of encryption algorithm used for the SSH key. You might have noticed the different keywords in the names of the SSH key files: e.g. as follows: id_rsa_github id_rsa_github.pub In such case, when you generate a new SSH key, you can name the new key to better identify its particular use, e.g.
This also means that even if you already have an existing SSH key, you can generate a new one to use just for the purpose of connecting to your Github account.
The public key is the one you will be adding to your Github account.Īlso notice, that you can have more than one SSH key pair on your computer. The private key is the one you should never share with anyone but just keep in your local machine.
Notice, that each SSH key is in pairs of private & public keys. like below: id_rsa id_rsa.pub id_ed25519 id_ed25519.pub If you do have one or more existing SSH keys, they will be stored inside the. To check if you have an existing SSH key, type in the following command in your terminal: ls -al ~/.ssh Check for any existing SSH key & A brief refresher on SSH keys (skip this step if you want)
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