Create SSH key pair configuration steps

establish SSH Secret key pair

effect

Created SSH Secret key pair , be used for GitLab Warehouse pull code , And test the login authentication of the server .

Check if the secret key pair exists

It's generating SSH Before the key , You can check , Does it already exist SSH secret key . Here are two ways ：

1. The input terminal ls -al ~/.ssh  Check to see if there are existing SSH secret key ：

#  List  ssh  Under the table of contents  .ssh  file   View on terminal 
$ ls -al ~/.ssh

2. The input terminal cat ~/.ssh/id_rsa.pub You can output the contents of the public key

3. stay Finder Interface view . Enter the command to open automatically Finder, You can view it

# open Command to open  ssh  Secret key pair , Hide storage directory  .ssh
$ open ~/.ssh

By default , The file name of the public key is id_rsa.pub

Generate a new SSH Secret key pair

1. Open the terminal .
2. The terminal enters the following command , Put the mailbox  ** Replace with yourself  ** Corporate email .

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

This will use your own corporate email as an identifier , Create a new ssh secret key .
Be careful ： If the same directory already exists , It will cover the previous , If you continue to use , Pay attention to backup .

Generating public/private rsa key pair.

3. When the system prompts “ Enter the file where you want to save the key ” when , press return . Use the secret key to store the location . The default is /Users/ user /.ssh/id_rsa .

Enter a file in which to save the key (/Users/you/.ssh/id_rsa): [Press enter]

4. Next, you will be prompted for the password . The password is not configured for the time being , Ignore tips , Press enter twice in succession , Complete key pair creation .

Enter passphrase (empty for no passphrase): [Type a passphrase]
Enter same passphrase again: [Type passphrase again]

Reference resources ：
GitHub Official generation SSH
GitLab Official document generation SSH