git ssh出错_connection closed by 192.30.255.113 port 22fatal:c

$ git clone git@github.com:xujingyanjava/angulars.git
Cloning into 'angulars'...
The authenticity of host 'github.com (192.30.255.113)' can't be established.
RSA key fingerprint is SHA256:nThbg6kXUpJWGl7E1IGOCspRomTxdCARLviKw6E5SY8.
Are you sure you want to continue connecting (yes/no)? yes
Warning: Permanently added 'github.com,192.30.255.113' (RSA) to the list of known hosts.
Permission denied (publickey).

fatal: Could not read from remote repository.

我们可以使用   ssh -T -v git@github.com 命令 看详细错误信息

OpenSSH_7.5p1, OpenSSL 1.0.2k  26 Jan 2017
debug1: Reading configuration data /etc/ssh/ssh_config
debug1: Connecting to github.com [192.30.255.113] port 22.
debug1: Connection established.
debug1: key_load_public: No such file or directory
debug1: identity file /c/Users/jock/.ssh/id_rsa type -1
debug1: key_load_public: No such file or directory
debug1: identity file /c/Users/jock/.ssh/id_rsa-cert type -1
debug1: key_load_public: No such file or directory
debug1: identity file /c/Users/jock/.ssh/id_dsa type -1
debug1: key_load_public: No such file or directory
debug1: identity file /c/Users/jock/.ssh/id_dsa-cert type -1
debug1: key_load_public: No such file or directory
debug1: identity file /c/Users/jock/.ssh/id_ecdsa type -1
debug1: key_load_public: No such file or directory
debug1: identity file /c/Users/jock/.ssh/id_ecdsa-cert type -1
debug1: key_load_public: No such file or directory
debug1: identity file /c/Users/jock/.ssh/id_ed25519 type -1
debug1: key_load_public: No such file or directory
debug1: identity file /c/Users/jock/.ssh/id_ed25519-cert type -1
debug1: Enabling compatibility mode for protocol 2.0
debug1: Local version string SSH-2.0-OpenSSH_7.5
debug1: Remote protocol version 2.0, remote software version libssh-0.7.0
debug1: no match: libssh-0.7.0
debug1: Authenticating to github.com:22 as 'git'
debug1: SSH2_MSG_KEXINIT sent
debug1: SSH2_MSG_KEXINIT received
debug1: kex: algorithm: curve25519-sha256@libssh.org
debug1: kex: host key algorithm: ssh-rsa
debug1: kex: server->client cipher: chacha20-poly1305@openssh.com MAC: <implicit> compress                                                                                                                                                                                     ion: none
debug1: kex: client->server cipher: chacha20-poly1305@openssh.com MAC: <implicit> compress                                                                                                                                                                                     ion: none
debug1: expecting SSH2_MSG_KEX_ECDH_REPLY
debug1: Server host key: ssh-rsa SHA256:nThbg6kXUpJWGl7E1IGOCspRomTxdCARLviKw6E5SY8
debug1: Host 'github.com' is known and matches the RSA host key.
debug1: Found key in /c/Users/jock/.ssh/known_hosts:1
debug1: rekey after 134217728 blocks
debug1: SSH2_MSG_NEWKEYS sent
debug1: expecting SSH2_MSG_NEWKEYS
debug1: SSH2_MSG_NEWKEYS received
debug1: rekey after 134217728 blocks
debug1: SSH2_MSG_SERVICE_ACCEPT received
debug1: Authentications that can continue: publickey
debug1: Next authentication method: publickey
debug1: Trying private key: /c/Users/jock/.ssh/id_rsa
debug1: Trying private key: /c/Users/jock/.ssh/id_dsa
debug1: Trying private key: /c/Users/jock/.ssh/id_ecdsa
debug1: Trying private key: /c/Users/jock/.ssh/id_ed25519
debug1: No more authentication methods to try.
Permission denied (publickey).

看到上述错误发现 

debug1: Trying private key: /c/Users/jock/.ssh/id_rsa
debug1: Trying private key: /c/Users/jock/.ssh/id_dsa

找到此文件目录 发现并没有创建者两个文件，

经查资料得知 由于你的本地Git仓库和GitHub仓库之间的传输是通过SSH加密的

所以我们需要创建

ssh-keygen -t rsa -C "youremail@example.com"

Generating public/private rsa key pair.
Enter file in which to save the key (/c/Users/jock/.ssh/id_rsa):
Enter passphrase (empty for no passphrase):
Enter same passphrase again:
Your identification has been saved in /c/Users/jock/.ssh/id_rsa.
Your public key has been saved in /c/Users/jock/.ssh/id_rsa.pub.
The key fingerprint is:

就可以了！