うなすけとあれこれ

$ ssh-keygen

$ ssh-keygen
Generating public/private rsa key pair.
Enter file in which to save the key (/Users/username/.ssh/id_rsa): github_id_rsa
Created directory '/Users/username/.ssh'.
Enter passphrase (empty for no passphrase):
Enter same passphrase again:
Your identification has been saved in /Users/username/.ssh/github_id_rsa.
Your public key has been saved in /Users/username/.ssh/github_id_rsa.pub.
The key fingerprint is:
00:11:22:33:44:55:66:77:88:99:aa<img alt="🇧🇧" class="emoji" src="/images/emoji/unicode/1f1e7-1f1e7.png">cc:dd<img alt="🇪🇪" class="emoji" src="/images/emoji/unicode/1f1ea-1f1ea.png">ff username@username-mac.local
The key's randomart image is:
+--[ RSA 2048]----+
|                 |
|                 |
|                 |
|                 |
|                 |
|                 |
|                 |
|                 |
|                 |
+-----------------+

Host github.com
 User git
 Hostname github.com
 PreferredAuthentications publickey
 IdentityFile ~/.ssh/github_id_rsa</pre>

$ chmod 600 .ssh/github*

$ ssh git@github.com

$ ssh git@github.com
The authenticity of host 'github.com (204.232.175.90)' can't be established.
RSA key fingerprint is 00:11:22:33:44:55:66:77:88:99:aa<img alt="🇧🇧" class="emoji" src="/images/emoji/unicode/1f1e7-1f1e7.png">cc:dd<img alt="🇪🇪" class="emoji" src="/images/emoji/unicode/1f1ea-1f1ea.png">ff.
Are you sure you want to continue connecting (yes/no)? yes
Warning: Permanently added 'github.com,204.232.175.90' (RSA) to the list of known hosts.
Identity added: /Users/username/.ssh/github_id_rsa (/Users/username/.ssh/github_id_rsa)
PTY allocation request failed on channel 0
Hi username! You've successfully authenticated, but GitHub does not provide shell access.
Connection to github.com closed.