https://help.github.com/articles/error-permission-denied-publickey/
$ ssh-keygen
Generating public/private rsa key pair.
Enter file in which to save the key (/home/wz/.ssh/id_rsa):
/home/wz/.ssh/id_rsa already exists.
Overwrite (y/n)? y
Enter passphrase (empty for no passphrase):
Enter same passphrase again:
Your identification has been saved in /home/wz/.ssh/id_rsa.
Your public key has been saved in /home/wz/.ssh/id_rsa.pub.
The key fingerprint is:
e9:e3:2a:7b:c4:e1:b2:d3:8c:ce:40:4a:07:fb:42:18 wz@wz-computer
The key's randomart image is:
+--[ RSA 2048]----+
| |
| |
|E. |
|..o . . |
|.+.. o .S |
|ooo . +. |
|.... B o |
| .o= +. . |
| .+=... |
+-----------------+
$ ll ~/.ssh
total 20
drwx------ 2 wz wz 4096 2月 2 13:26 ./
drwxr-xr-x 30 wz wz 4096 2月 2 13:26 ../
-rw------- 1 wz wz 1679 2月 2 13:48 id_rsa
-rw------- 1 wz wz 396 2月 2 13:48 id_rsa.pub
-rw------- 1 wz wz 2210 2月 2 13:44 known_hosts
$ ssh git@github.com
Agent admitted failure to sign using the key.
Permission denied (publickey).
$ ssh-add -l
2048 e9:e3:2a:7b:c4:e1:b2:d3:8c:ce:40:4a:07:fb:42:18 wz@wz-computer (RSA)
$ eval "$(ssh-agent -s)"
Agent pid 9424
$ ssh-add -l
The agent has no identities.
$ ssh-add -l -E md5
The agent has no identities.
$ ssh-add (需要添加一下才能生效)
Identity added: /home/wz/.ssh/id_rsa (/home/wz/.ssh/id_rsa)
$ ssh-add -l
2048 e9:e3:2a:7b:c4:e1:b2:d3:8c:ce:40:4a:07:fb:42:18
/home/wz/.ssh/id_rsa (RSA)
$ ssh-add -l -E md5
2048 e9:e3:2a:7b:c4:e1:b2:d3:8c:ce:40:4a:07:fb:42:18
/home/wz/.ssh/id_rsa (RSA)
.