title: Unspecified GSS failure, No Kerberos credentials available
body: <p>I tried to ssh to a server and get this error:
  "Unspecified GSS failure. Minor code may provide more information No Kerberos credentials available"</p>
  
  <p>I am not exactly sure what it means. (Still try to Google it)</p>
  
  <pre><code>; ssh -vT -p 1234 root@mysite.com
  OpenSSH_6.6.1, OpenSSL 1.0.1f 6 Jan 2014
  debug1: Reading configuration data /etc/ssh/ssh_config
  debug1: /etc/ssh/ssh_config line 19: Applying options for *
  debug1: Connecting to mysite.com [1.2.3.4] port 1234.
  debug1: Connection established.
  debug1: identity file /home/kenpeter/.ssh/id_rsa type 1
  debug1: identity file /home/kenpeter/.ssh/id_rsa-cert type -1
  debug1: identity file /home/kenpeter/.ssh/id_dsa type -1
  debug1: identity file /home/kenpeter/.ssh/id_dsa-cert type -1
  debug1: identity file /home/kenpeter/.ssh/id_ecdsa type -1
  debug1: identity file /home/kenpeter/.ssh/id_ecdsa-cert type -1
  debug1: identity file /home/kenpeter/.ssh/id_ed25519 type -1
  debug1: identity file /home/kenpeter/.ssh/id_ed25519-cert type -1
  debug1: Enabling compatibility mode for protocol 2.0
  debug1: Local version string SSH-2.0-OpenSSH_6.6.1p1 Ubuntu-8
  debug1: Remote protocol version 2.0, remote software version OpenSSH_5.3
  debug1: match: OpenSSH_5.3 pat OpenSSH_5* compat 0x0c000000
  debug1: SSH2_MSG_KEXINIT sent
  debug1: SSH2_MSG_KEXINIT received
  debug1: kex: server-&gt;client aes128-ctr hmac-md5 none
  debug1: kex: client-&gt;server aes128-ctr hmac-md5 none
  debug1: SSH2_MSG_KEX_DH_GEX_REQUEST(1024&lt;3072&lt;8192) sent
  debug1: expecting SSH2_MSG_KEX_DH_GEX_GROUP
  debug1: SSH2_MSG_KEX_DH_GEX_INIT sent
  debug1: expecting SSH2_MSG_KEX_DH_GEX_REPLY
  debug1: Server host key: RSA xxxxx....xxxxxx....
  debug1: Host '[mysite.com]:1234' is known and matches the RSA host key.
  debug1: Found key in /home/kenpeter/.ssh/known_hosts:1
  debug1: ssh_rsa_verify: signature correct
  debug1: SSH2_MSG_NEWKEYS sent
  debug1: expecting SSH2_MSG_NEWKEYS
  debug1: SSH2_MSG_NEWKEYS received
  debug1: Roaming not allowed by server
  debug1: SSH2_MSG_SERVICE_REQUEST sent
  debug1: SSH2_MSG_SERVICE_ACCEPT received
  debug1: Authentications that can continue: publickey,gssapi-keyex,gssapi-with-mic,password
  debug1: Next authentication method: gssapi-keyex
  debug1: No valid Key exchange context
  debug1: Next authentication method: gssapi-with-mic
  debug1: Unspecified GSS failure.  Minor code may provide more information
  No Kerberos credentials available
  
  debug1: Unspecified GSS failure.  Minor code may provide more information
  No Kerberos credentials available
  
  debug1: Unspecified GSS failure.  Minor code may provide more information
  
  
  debug1: Unspecified GSS failure.  Minor code may provide more information
  No Kerberos credentials available
  
  debug1: Next authentication method: publickey
  debug1: Offering RSA public key: /home/kenpeter/.ssh/id_rsa
  debug1: Authentications that can continue: publickey,gssapi-keyex,gssapi-with-mic,password
  debug1: Trying private key: /home/kenpeter/.ssh/id_dsa
  debug1: Trying private key: /home/kenpeter/.ssh/id_ecdsa
  debug1: Trying private key: /home/kenpeter/.ssh/id_ed25519
  debug1: Next authentication method: password
  root@mysite.com's password:
  </code></pre>
  
  <p>When I type my password, I get "permission denied".</p>