knife bootstrap XXXXX.compute-1.amazonaws.com --no-host-key-verify -x ubuntu --sudo -VV
INFO: Using configuration from /home/XXXXX/chef-repo/.chef/knife.rb
Doing old-style registration with the validation key at /home/XXXXX/chef-repo/.chef/chef-validator.pem...
Delete your validation key in order to use your user credentials instead

Connecting to XXXXX.compute-1.amazonaws.com
DEBUG: Looking for bootstrap template in /opt/chef/embedded/apps/chef/lib/chef/knife/bootstrap/templates
DEBUG: Found bootstrap template in /opt/chef/embedded/apps/chef/lib/chef/knife/bootstrap/templates
DEBUG: Adding XXXXX.compute-1.amazonaws.com
DEBUG: establishing connection to XXXXX.compute-1.amazonaws.com:22
DEBUG: connection established
INFO: negotiating protocol version
DEBUG: remote is `SSH-2.0-OpenSSH_6.6.1p1 Ubuntu-2ubuntu2'
DEBUG: local is `SSH-2.0-Ruby/Net::SSH_2.9.2 x86_64-linux'
DEBUG: read 1632 bytes
DEBUG: received packet nr 0 type 20 len 1628
INFO: got KEXINIT from server
INFO: sending KEXINIT
DEBUG: queueing packet nr 0 type 20 len 1684
DEBUG: sent 1688 bytes
INFO: negotiating algorithms
DEBUG: negotiated:
* kex: diffie-hellman-group-exchange-sha1
* host_key: ssh-rsa
* encryption_server: aes128-cbc
* encryption_client: aes128-cbc
* hmac_client: hmac-sha1
* hmac_server: hmac-sha1
* compression_client: none
* compression_server: none
* language_client:
* language_server:
DEBUG: exchanging keys
DEBUG: queueing packet nr 1 type 34 len 20
DEBUG: sent 24 bytes
DEBUG: read 152 bytes
DEBUG: received packet nr 1 type 31 len 148
DEBUG: queueing packet nr 2 type 32 len 140
DEBUG: sent 144 bytes
DEBUG: read 720 bytes
DEBUG: received packet nr 2 type 33 len 700
DEBUG: queueing packet nr 3 type 21 len 20
DEBUG: sent 24 bytes
DEBUG: received packet nr 3 type 21 len 12
DEBUG: beginning authentication of `ubuntu'
DEBUG: queueing packet nr 4 type 5 len 28
DEBUG: sent 52 bytes
DEBUG: read 52 bytes
DEBUG: received packet nr 4 type 6 len 28
DEBUG: trying none
DEBUG: queueing packet nr 5 type 50 len 44
DEBUG: sent 68 bytes
DEBUG: read 52 bytes
DEBUG: received packet nr 5 type 51 len 28
DEBUG: allowed methods: publickey
DEBUG: none failed
DEBUG: trying publickey
DEBUG: connecting to ssh-agent
DEBUG: sending agent request 1 len 44
DEBUG: received agent packet 2 len 5
DEBUG: sending agent request 11 len 0
DEBUG: received agent packet 12 len 631
DEBUG: trying publickey (39:03:04:49:ae:88:80:7c:9f:4a:a3:8c:84:52:09:62)
DEBUG: queueing packet nr 6 type 50 len 348
DEBUG: sent 372 bytes
DEBUG: read 52 bytes
DEBUG: received packet nr 6 type 51 len 28
DEBUG: allowed methods: publickey
DEBUG: trying publickey (3c:60:e5:9b:92:52:ca:8d:b5:3a:a2:53:d4:0a:33:15)
DEBUG: queueing packet nr 7 type 50 len 348
DEBUG: sent 372 bytes
DEBUG: read 324 bytes
DEBUG: received packet nr 7 type 60 len 300
DEBUG: sending agent request 13 len 648
DEBUG: received agent packet 14 len 276
DEBUG: queueing packet nr 8 type 50 len 620
DEBUG: sent 644 bytes
DEBUG: read 36 bytes
DEBUG: received packet nr 8 type 52 len 12
DEBUG: publickey succeeded (3c:60:e5:9b:92:52:ca:8d:b5:3a:a2:53:d4:0a:33:15)
DEBUG: queueing packet nr 9 type 90 len 44
DEBUG: sent 68 bytes
DEBUG: read 52 bytes
DEBUG: received packet nr 9 type 91 len 28
INFO: channel_open_confirmation: 0 0 0 32768
INFO: sending channel request "env"
DEBUG: queueing packet nr 10 type 98 len 44
INFO: sending channel request "pty-req"
DEBUG: queueing packet nr 11 type 98 len 60
INFO: sending channel request "exec"
DEBUG: queueing packet nr 12 type 98 len 505292
DEBUG: sent 362000 bytes
DEBUG: read 0 bytes
ERROR: Net::SSH::Disconnect: connection closed by remote host