I'm uploading the public key data I get by running "cat ~/.ssh/id_rsa.pub" 
to the trac server preferences page. I've checked this multiple times. The 
comment on the key shouldn't matter, correct? 

I do have a github account with the same user name as the trac server 
account, but I don't believe I've ever setup a ssh key for this github 
account. When I push changes to the server it always asks me for a username 
and password. 

Here is the output of running "ssh -k -vvv -i ~/.ssh/id_rsa.pub 
g...@trac.sagemath.org": 

OpenSSH_7.2p2 Ubuntu-4ubuntu2.1, OpenSSL 1.0.2g  1 Mar 2016
debug1: Reading configuration data /home/maxie/.ssh/config
debug1: /home/maxie/.ssh/config line 4: Applying options for *
debug1: Reading configuration data /etc/ssh/ssh_config
debug1: /etc/ssh/ssh_config line 19: Applying options for *
debug2: resolving "trac.sagemath.org" port 22
debug2: ssh_connect_direct: needpriv 0
debug1: Connecting to trac.sagemath.org [104.197.143.230] port 22.
debug1: Connection established.
debug1: identity file /home/maxie/.ssh/id_rsa.pub type 1
debug1: key_load_public: No such file or directory
debug1: identity file /home/maxie/.ssh/id_rsa.pub-cert type -1
debug1: identity file /home/maxie/.ssh/id_rsa type 1
debug1: key_load_public: No such file or directory
debug1: identity file /home/maxie/.ssh/id_rsa-cert type -1
debug1: identity file /home/maxie/.ssh/id_rsa.pub type 1
debug1: key_load_public: No such file or directory
debug1: identity file /home/maxie/.ssh/id_rsa.pub-cert type -1
debug1: identity file /home/maxie/.ssh/id_rsa type 1
debug1: key_load_public: No such file or directory
debug1: identity file /home/maxie/.ssh/id_rsa-cert type -1
debug1: Enabling compatibility mode for protocol 2.0
debug1: Local version string SSH-2.0-OpenSSH_7.2p2 Ubuntu-4ubuntu2.1
debug1: Remote protocol version 2.0, remote software version 
OpenSSH_6.6.1p1 Ubuntu-2ubuntu2.8
debug1: match: OpenSSH_6.6.1p1 Ubuntu-2ubuntu2.8 pat OpenSSH_6.6.1* compat 
0x04000000
debug2: fd 3 setting O_NONBLOCK
debug1: Authenticating to trac.sagemath.org:22 as 'git'
debug3: hostkeys_foreach: reading file "/home/maxie/.ssh/known_hosts"
debug3: record_hostkey: found key type ECDSA in file 
/home/maxie/.ssh/known_hosts:3
debug3: load_hostkeys: loaded 1 keys from trac.sagemath.org
debug3: order_hostkeyalgs: prefer hostkeyalgs: 
ecdsa-sha2-nistp256-cert-...@openssh.com,ecdsa-sha2-nistp384-cert-...@openssh.com,ecdsa-sha2-nistp521-cert-...@openssh.com,ecdsa-sha2-nistp256,ecdsa-sha2-nistp384,ecdsa-sha2-nistp521
debug3: send packet: type 20
debug1: SSH2_MSG_KEXINIT sent
debug3: receive packet: type 20
debug1: SSH2_MSG_KEXINIT received
debug2: local client KEXINIT proposal
debug2: KEX algorithms: 
curve25519-sha...@libssh.org,ecdh-sha2-nistp256,ecdh-sha2-nistp384,ecdh-sha2-nistp521,diffie-hellman-group-exchange-sha256,diffie-hellman-group-exchange-sha1,diffie-hellman-group14-sha1,ext-info-c
debug2: host key algorithms: 
ecdsa-sha2-nistp256-cert-...@openssh.com,ecdsa-sha2-nistp384-cert-...@openssh.com,ecdsa-sha2-nistp521-cert-...@openssh.com,ecdsa-sha2-nistp256,ecdsa-sha2-nistp384,ecdsa-sha2-nistp521,ssh-ed25519-cert-...@openssh.com,ssh-rsa-cert-...@openssh.com,ssh-ed25519,rsa-sha2-512,rsa-sha2-256,ssh-rsa
debug2: ciphers ctos: 
chacha20-poly1...@openssh.com,aes128-ctr,aes192-ctr,aes256-ctr,aes128-...@openssh.com,aes256-...@openssh.com,aes128-cbc,aes192-cbc,aes256-cbc,3des-cbc
debug2: ciphers stoc: 
chacha20-poly1...@openssh.com,aes128-ctr,aes192-ctr,aes256-ctr,aes128-...@openssh.com,aes256-...@openssh.com,aes128-cbc,aes192-cbc,aes256-cbc,3des-cbc
debug2: MACs ctos: 
umac-64-...@openssh.com,umac-128-...@openssh.com,hmac-sha2-256-...@openssh.com,hmac-sha2-512-...@openssh.com,hmac-sha1-...@openssh.com,umac...@openssh.com,umac-...@openssh.com,hmac-sha2-256,hmac-sha2-512,hmac-sha1
debug2: MACs stoc: 
umac-64-...@openssh.com,umac-128-...@openssh.com,hmac-sha2-256-...@openssh.com,hmac-sha2-512-...@openssh.com,hmac-sha1-...@openssh.com,umac...@openssh.com,umac-...@openssh.com,hmac-sha2-256,hmac-sha2-512,hmac-sha1
debug2: compression ctos: none,z...@openssh.com,zlib
debug2: compression stoc: none,z...@openssh.com,zlib
debug2: languages ctos: 
debug2: languages stoc: 
debug2: first_kex_follows 0 
debug2: reserved 0 
debug2: peer server KEXINIT proposal
debug2: KEX algorithms: 
curve25519-sha...@libssh.org,ecdh-sha2-nistp256,ecdh-sha2-nistp384,ecdh-sha2-nistp521,diffie-hellman-group-exchange-sha256,diffie-hellman-group-exchange-sha1,diffie-hellman-group14-sha1,diffie-hellman-group1-sha1
debug2: host key algorithms: ssh-rsa,ssh-dss,ecdsa-sha2-nistp256
debug2: ciphers ctos: 
aes128-ctr,aes192-ctr,aes256-ctr,arcfour256,arcfour128,aes128-...@openssh.com,aes256-...@openssh.com,chacha20-poly1...@openssh.com,aes128-cbc,3des-cbc,blowfish-cbc,cast128-cbc,aes192-cbc,aes256-cbc,arcfour,rijndael-...@lysator.liu.se
debug2: ciphers stoc: 
aes128-ctr,aes192-ctr,aes256-ctr,arcfour256,arcfour128,aes128-...@openssh.com,aes256-...@openssh.com,chacha20-poly1...@openssh.com,aes128-cbc,3des-cbc,blowfish-cbc,cast128-cbc,aes192-cbc,aes256-cbc,arcfour,rijndael-...@lysator.liu.se
debug2: MACs ctos: 
hmac-md5-...@openssh.com,hmac-sha1-...@openssh.com,umac-64-...@openssh.com,umac-128-...@openssh.com,hmac-sha2-256-...@openssh.com,hmac-sha2-512-...@openssh.com,hmac-ripemd160-...@openssh.com,hmac-sha1-96-...@openssh.com,hmac-md5-96-...@openssh.com,hmac-md5,hmac-sha1,umac...@openssh.com,umac-...@openssh.com,hmac-sha2-256,hmac-sha2-512,hmac-ripemd160,hmac-ripemd...@openssh.com,hmac-sha1-96,hmac-md5-96
debug2: MACs stoc: 
hmac-md5-...@openssh.com,hmac-sha1-...@openssh.com,umac-64-...@openssh.com,umac-128-...@openssh.com,hmac-sha2-256-...@openssh.com,hmac-sha2-512-...@openssh.com,hmac-ripemd160-...@openssh.com,hmac-sha1-96-...@openssh.com,hmac-md5-96-...@openssh.com,hmac-md5,hmac-sha1,umac...@openssh.com,umac-...@openssh.com,hmac-sha2-256,hmac-sha2-512,hmac-ripemd160,hmac-ripemd...@openssh.com,hmac-sha1-96,hmac-md5-96
debug2: compression ctos: none,z...@openssh.com
debug2: compression stoc: none,z...@openssh.com
debug2: languages ctos: 
debug2: languages stoc: 
debug2: first_kex_follows 0 
debug2: reserved 0 
debug1: kex: algorithm: curve25519-sha...@libssh.org
debug1: kex: host key algorithm: ecdsa-sha2-nistp256
debug1: kex: server->client cipher: chacha20-poly1...@openssh.com MAC: 
<implicit> compression: none
debug1: kex: client->server cipher: chacha20-poly1...@openssh.com MAC: 
<implicit> compression: none
debug3: send packet: type 30
debug1: expecting SSH2_MSG_KEX_ECDH_REPLY
debug3: receive packet: type 31
debug1: Server host key: ecdsa-sha2-nistp256 
SHA256:4Op/q3b5792x+F1lHSKRi5UIORAPDlIFVA5cUq9YVXI
debug3: hostkeys_foreach: reading file "/home/maxie/.ssh/known_hosts"
debug3: record_hostkey: found key type ECDSA in file 
/home/maxie/.ssh/known_hosts:3
debug3: load_hostkeys: loaded 1 keys from trac.sagemath.org
debug3: hostkeys_foreach: reading file "/home/maxie/.ssh/known_hosts"
debug3: record_hostkey: found key type ECDSA in file 
/home/maxie/.ssh/known_hosts:2
debug3: load_hostkeys: loaded 1 keys from 104.197.143.230
debug1: Host 'trac.sagemath.org' is known and matches the ECDSA host key.
debug1: Found key in /home/maxie/.ssh/known_hosts:3
debug3: send packet: type 21
debug2: set_newkeys: mode 1
debug1: rekey after 134217728 blocks
debug1: SSH2_MSG_NEWKEYS sent
debug1: expecting SSH2_MSG_NEWKEYS
debug3: receive packet: type 21
debug2: set_newkeys: mode 0
debug1: rekey after 134217728 blocks
debug1: SSH2_MSG_NEWKEYS received
debug2: key: /home/maxie/.ssh/id_rsa.pub (0x55d872785ab0), explicit, agent
debug2: key: /home/maxie/.ssh/id_rsa (0x55d872793cd0), explicit
debug2: key: /home/maxie/.ssh/id_rsa.pub (0x55d872793c60), explicit
debug2: key: /home/maxie/.ssh/id_rsa (0x55d872793c10)
debug3: send packet: type 5
debug3: receive packet: type 6
debug2: service_accept: ssh-userauth
debug1: SSH2_MSG_SERVICE_ACCEPT received
debug3: send packet: type 50
debug3: receive packet: type 51
debug1: Authentications that can continue: publickey
debug3: start over, passed a different list publickey
debug3: preferred publickey,keyboard-interactive
debug3: authmethod_lookup publickey
debug3: remaining preferred: keyboard-interactive
debug3: authmethod_is_enabled publickey
debug1: Next authentication method: publickey
debug1: Offering RSA public key: /home/maxie/.ssh/id_rsa.pub
debug3: send_pubkey_test
debug3: send packet: type 50
debug2: we sent a publickey packet, wait for reply
debug3: receive packet: type 51
debug1: Authentications that can continue: publickey
debug1: Offering RSA public key: /home/maxie/.ssh/id_rsa
debug3: send_pubkey_test
debug3: send packet: type 50
debug2: we sent a publickey packet, wait for reply
debug3: receive packet: type 51
debug1: Authentications that can continue: publickey
debug1: Offering RSA public key: /home/maxie/.ssh/id_rsa.pub
debug3: send_pubkey_test
debug3: send packet: type 50
debug2: we sent a publickey packet, wait for reply
debug3: receive packet: type 51
debug1: Authentications that can continue: publickey
debug1: Offering RSA public key: /home/maxie/.ssh/id_rsa
debug3: send_pubkey_test
debug3: send packet: type 50
debug2: we sent a publickey packet, wait for reply
debug3: receive packet: type 51
debug1: Authentications that can continue: publickey
debug2: we did not send a packet, disable method
debug1: No more authentication methods to try.
Permission denied (publickey).

One thing that's a little concerning to me is the lines 
debug2: key: /home/maxie/.ssh/id_rsa.pub (0x55d872785ab0), explicit, agent
debug2: key: /home/maxie/.ssh/id_rsa (0x55d872793cd0), explicit
debug2: key: /home/maxie/.ssh/id_rsa.pub (0x55d872793c60), explicit
debug2: key: /home/maxie/.ssh/id_rsa (0x55d872793c10)

Does this mean I have multiple keys for the id_rsa.pub key I'm trying to 
use? 

On Saturday, December 24, 2016 at 6:24:30 AM UTC-6, Dima Pasechnik wrote:
>
> PS. please double-check that the public key you upload on trac is 
> id_rsa.pub
> and not the other key.
> And it seems that you might have gssapi on (in /etc/ssh/ssh_config or in 
> ~/.ssh/config ?),
>  and it is broken somehow.
> Could you try running
>
> ssh -k -vvv g...@git.sagemath.org <javascript:>
>
> (-k disables gssapi)
>
> And finally, IIRC you can use https authentication to push to trac.
>
> By the way, do you have a github account, and if yes, are you able to push 
> branches there via ssh?
>  
>
>  
>  
>
> On Saturday, December 24, 2016 at 12:09:11 PM UTC, Dima Pasechnik wrote:
>>
>>
>>
>> On Saturday, December 24, 2016 at 11:47:36 AM UTC, Maxie Schmidt wrote:
>>>
>>> I'm still very much in need of help with fixing the ssh key issue that's 
>>> keeping me from uploading files to a new branch on Trac. The following is 
>>> the output when I run "ssh -vvv g...@git.sagemath.org <javascript:>": 
>>>
>>> OpenSSH_7.2p2 Ubuntu-4ubuntu2.1, OpenSSL 1.0.2g  1 Mar 2016
>>> debug1: Reading configuration data /home/maxie/.ssh/config
>>> debug1: Reading configuration data /etc/ssh/ssh_config
>>> debug1: /etc/ssh/ssh_config line 19: Applying options for *
>>> debug2: resolving "git.sagemath.org" port 22
>>> debug2: ssh_connect_direct: needpriv 0
>>> debug1: Connecting to git.sagemath.org [104.197.143.230] port 22.
>>> debug1: Connection established.
>>> debug1: identity file /home/maxie/.ssh/id_rsa.pub type 1
>>> debug1: key_load_public: No such file or directory
>>> debug1: identity file /home/maxie/.ssh/id_rsa.pub-cert type -1
>>> debug1: Enabling compatibility mode for protocol 2.0
>>> debug1: Local version string SSH-2.0-OpenSSH_7.2p2 Ubuntu-4ubuntu2.1
>>> debug1: Remote protocol version 2.0, remote software version 
>>> OpenSSH_6.6.1p1 Ubuntu-2ubuntu2.8
>>> debug1: match: OpenSSH_6.6.1p1 Ubuntu-2ubuntu2.8 pat OpenSSH_6.6.1* 
>>> compat 0x04000000
>>> debug2: fd 3 setting O_NONBLOCK
>>> debug1: Authenticating to git.sagemath.org:22 as 'git'
>>> debug3: hostkeys_foreach: reading file "/home/maxie/.ssh/known_hosts"
>>> debug3: record_hostkey: found key type ECDSA in file 
>>> /home/maxie/.ssh/known_hosts:2
>>> debug3: load_hostkeys: loaded 1 keys from git.sagemath.org
>>> debug3: order_hostkeyalgs: prefer hostkeyalgs: 
>>> ecdsa-sha2-nis...@openssh.com <javascript:>,
>>> ecdsa-sha2-nistp384-cert-...@openssh.com <javascript:>,
>>> ecdsa-sha2-nistp521-cert-...@openssh.com <javascript:>
>>> ,ecdsa-sha2-nistp256,ecdsa-sha2-nistp384,ecdsa-sha2-nistp521
>>>
>>
>> I don't anything like order_hostkeyalgs in my log of such a session.
>> IMHO you somehow simply disable publickey locally.
>>
>> And perhaps it's a good idea to update your openssh client and your 
>> openssl
>> (the latter is too old)
>>
>>  
>>
>>> debug3: send packet: type 20
>>> debug1: SSH2_MSG_KEXINIT sent
>>> debug3: receive packet: type 20
>>> debug1: SSH2_MSG_KEXINIT received
>>> debug2: local client KEXINIT proposal
>>> debug2: KEX algorithms: curve255...@libssh.org <javascript:>
>>> ,ecdh-sha2-nistp256,ecdh-sha2-nistp384,ecdh-sha2-nistp521,diffie-hellman-group-exchange-sha256,diffie-hellman-group-exchange-sha1,diffie-hellman-group14-sha1,ext-info-c
>>> debug2: host key algorithms: ecdsa-sha2-nis...@openssh.com <javascript:>
>>> ,ecdsa-sha2-nistp384-cert-...@openssh.com <javascript:>,
>>> ecdsa-sha2-nistp521-cert-...@openssh.com <javascript:>
>>> ,ecdsa-sha2-nistp256,ecdsa-sha2-nistp384,ecdsa-sha2-nistp521,
>>> ssh-ed25519-cert-...@openssh.com <javascript:>,
>>> ssh-rsa-cert-...@openssh.com <javascript:>
>>> ,ssh-ed25519,rsa-sha2-512,rsa-sha2-256,ssh-rsa
>>> debug2: ciphers ctos: chacha20...@openssh.com <javascript:>
>>> ,aes128-ctr,aes192-ctr,aes256-ctr,aes12...@openssh.com <javascript:>,
>>> aes256-...@openssh.com <javascript:>
>>> ,aes128-cbc,aes192-cbc,aes256-cbc,3des-cbc
>>> debug2: ciphers stoc: chacha20...@openssh.com <javascript:>
>>> ,aes128-ctr,aes192-ctr,aes256-ctr,aes12...@openssh.com <javascript:>,
>>> aes256-...@openssh.com <javascript:>
>>> ,aes128-cbc,aes192-cbc,aes256-cbc,3des-cbc
>>> debug2: MACs ctos: umac-...@openssh.com <javascript:>,
>>> umac-128-...@openssh.com <javascript:>,hmac-sha2-256-...@openssh.com 
>>> <javascript:>,hmac-sha2-512-...@openssh.com <javascript:>,
>>> hmac-sha1-...@openssh.com <javascript:>,uma...@openssh.com <javascript:>
>>> ,umac...@openssh.com <javascript:>,hmac-sha2-256,hmac-sha2-512,hmac-sha1
>>> debug2: MACs stoc: umac-...@openssh.com <javascript:>,
>>> umac-128-...@openssh.com <javascript:>,hmac-sha2-256-...@openssh.com 
>>> <javascript:>,hmac-sha2-512-...@openssh.com <javascript:>,
>>> hmac-sha1-...@openssh.com <javascript:>,uma...@openssh.com <javascript:>
>>> ,umac...@openssh.com <javascript:>,hmac-sha2-256,hmac-sha2-512,hmac-sha1
>>> debug2: compression ctos: none,zl...@openssh.com <javascript:>,zlib
>>> debug2: compression stoc: none,zl...@openssh.com <javascript:>,zlib
>>> debug2: languages ctos: 
>>> debug2: languages stoc: 
>>> debug2: first_kex_follows 0 
>>> debug2: reserved 0 
>>> debug2: peer server KEXINIT proposal
>>> debug2: KEX algorithms: curve255...@libssh.org <javascript:>
>>> ,ecdh-sha2-nistp256,ecdh-sha2-nistp384,ecdh-sha2-nistp521,diffie-hellman-group-exchange-sha256,diffie-hellman-group-exchange-sha1,diffie-hellman-group14-sha1,diffie-hellman-group1-sha1
>>> debug2: host key algorithms: ssh-rsa,ssh-dss,ecdsa-sha2-nistp256
>>> debug2: ciphers ctos: 
>>> aes128-ctr,aes192-ctr,aes256-ctr,arcfour256,arcfour128,
>>> aes128-...@openssh.com <javascript:>,aes25...@openssh.com <javascript:>,
>>> chacha20...@openssh.com <javascript:>
>>> ,aes128-cbc,3des-cbc,blowfish-cbc,cast128-cbc,aes192-cbc,aes256-cbc,arcfour,
>>> rijndael-...@lysator.liu.se <javascript:>
>>> debug2: ciphers stoc: 
>>> aes128-ctr,aes192-ctr,aes256-ctr,arcfour256,arcfour128,
>>> aes128-...@openssh.com <javascript:>,aes25...@openssh.com <javascript:>,
>>> chacha20...@openssh.com <javascript:>
>>> ,aes128-cbc,3des-cbc,blowfish-cbc,cast128-cbc,aes192-cbc,aes256-cbc,arcfour,
>>> rijndael-...@lysator.liu.se <javascript:>
>>> debug2: MACs ctos: hmac-m...@openssh.com <javascript:>,
>>> hmac-sha1-...@openssh.com <javascript:>,umac-64-...@openssh.com 
>>> <javascript:>,umac-1...@openssh.com <javascript:>,
>>> hmac-sha...@openssh.com <javascript:>,hmac-sha...@openssh.com 
>>> <javascript:>,hmac-ripemd160-...@openssh.com <javascript:>,
>>> hmac-sha1-96-...@openssh.com <javascript:>,hmac-md5-96-...@openssh.com 
>>> <javascript:>,hmac-md5,hmac-sha1,uma...@openssh.com <javascript:>,
>>> umac-...@openssh.com <javascript:>
>>> ,hmac-sha2-256,hmac-sha2-512,hmac-ripemd160,hmac-ripemd...@openssh.com 
>>> <javascript:>,hmac-sha1-96,hmac-md5-96
>>> debug2: MACs stoc: hmac-m...@openssh.com <javascript:>,
>>> hmac-sha1-...@openssh.com <javascript:>,umac-64-...@openssh.com 
>>> <javascript:>,umac-1...@openssh.com <javascript:>,
>>> hmac-sha...@openssh.com <javascript:>,hmac-sha...@openssh.com 
>>> <javascript:>,hmac-ripemd160-...@openssh.com <javascript:>,
>>> hmac-sha1-96-...@openssh.com <javascript:>,hmac-md5-96-...@openssh.com 
>>> <javascript:>,hmac-md5,hmac-sha1,uma...@openssh.com <javascript:>,
>>> umac-...@openssh.com <javascript:>
>>> ,hmac-sha2-256,hmac-sha2-512,hmac-ripemd160,hmac-ripemd...@openssh.com 
>>> <javascript:>,hmac-sha1-96,hmac-md5-96
>>> debug2: compression ctos: none,zl...@openssh.com <javascript:>
>>> debug2: compression stoc: none,zl...@openssh.com <javascript:>
>>> debug2: languages ctos: 
>>> debug2: languages stoc: 
>>> debug2: first_kex_follows 0 
>>> debug2: reserved 0 
>>> debug1: kex: algorithm: curve255...@libssh.org <javascript:>
>>> debug1: kex: host key algorithm: ecdsa-sha2-nistp256
>>> debug1: kex: server->client cipher: chacha20...@openssh.com 
>>> <javascript:> MAC: <implicit> compression: none
>>> debug1: kex: client->server cipher: chacha20...@openssh.com 
>>> <javascript:> MAC: <implicit> compression: none
>>> debug3: send packet: type 30
>>> debug1: expecting SSH2_MSG_KEX_ECDH_REPLY
>>> debug3: receive packet: type 31
>>> debug1: Server host key: ecdsa-sha2-nistp256 
>>> SHA256:4Op/q3b5792x+F1lHSKRi5UIORAPDlIFVA5cUq9YVXI
>>> debug3: hostkeys_foreach: reading file "/home/maxie/.ssh/known_hosts"
>>> debug3: record_hostkey: found key type ECDSA in file 
>>> /home/maxie/.ssh/known_hosts:2
>>> debug3: load_hostkeys: loaded 1 keys from git.sagemath.org
>>> debug3: hostkeys_foreach: reading file "/home/maxie/.ssh/known_hosts"
>>> debug3: record_hostkey: found key type ECDSA in file 
>>> /home/maxie/.ssh/known_hosts:3
>>> debug3: load_hostkeys: loaded 1 keys from 104.197.143.230
>>> debug1: Host 'git.sagemath.org' is known and matches the ECDSA host key.
>>> debug1: Found key in /home/maxie/.ssh/known_hosts:2
>>> debug3: send packet: type 21
>>> debug2: set_newkeys: mode 1
>>> debug1: rekey after 134217728 blocks
>>> debug1: SSH2_MSG_NEWKEYS sent
>>> debug1: expecting SSH2_MSG_NEWKEYS
>>> debug3: receive packet: type 21
>>> debug2: set_newkeys: mode 0
>>> debug1: rekey after 134217728 blocks
>>> debug1: SSH2_MSG_NEWKEYS received
>>> debug2: key: /home/maxie/.ssh/id_rsa.pub (0x55db3a7ee900), agent
>>> debug3: send packet: type 5
>>> debug3: receive packet: type 6
>>> debug2: service_accept: ssh-userauth
>>> debug1: SSH2_MSG_SERVICE_ACCEPT received
>>> debug3: send packet: type 50
>>> debug3: receive packet: type 51
>>> debug1: Authentications that can continue: publickey
>>> debug3: start over, passed a different list publickey
>>> debug3: preferred 
>>> gssapi-keyex,gssapi-with-mic,keyboard-interactive,password
>>> debug1: No more authentication methods to try.
>>> Permission denied (publickey).
>>>
>>> The line "debug3: start over, passed a different list publickey" looks 
>>> suspicious to me, but I'm not quite sure what it means. 
>>> The SSH key fingerprint retrieved when I run "git trac config" is the 
>>> same one as I get when I run "ssh-add -l", except that the comment line is 
>>> different. Can someone please help me to figure out what is going on with 
>>> the key for my Trac account? Thanks. 
>>>
>>> On Wednesday, December 21, 2016 at 12:46:32 AM UTC-6, Maxie Schmidt 
>>> wrote:
>>>>
>>>> This is now the output of running "ssh -vv g...@trac.sagemath.org 
>>>> <javascript:> info": 
>>>>
>>>> OpenSSH_7.2p2 Ubuntu-4ubuntu2.1, OpenSSL 1.0.2g  1 Mar 2016
>>>> debug1: Reading configuration data /etc/ssh/ssh_config
>>>> debug1: /etc/ssh/ssh_config line 19: Applying options for *
>>>> debug2: resolving "trac.sagemath.org" port 22
>>>> debug2: ssh_connect_direct: needpriv 0
>>>> debug1: Connecting to trac.sagemath.org [104.197.143.230] port 22.
>>>> debug1: Connection established.
>>>> debug1: identity file /home/maxie/.ssh/id_rsa type 1
>>>> debug1: key_load_public: No such file or directory
>>>> debug1: identity file /home/maxie/.ssh/id_rsa-cert type -1
>>>> debug1: Enabling compatibility mode for protocol 2.0
>>>> debug1: Local version string SSH-2.0-OpenSSH_7.2p2 Ubuntu-4ubuntu2.1
>>>> debug1: Remote protocol version 2.0, remote software version 
>>>> OpenSSH_6.6.1p1 Ubuntu-2ubuntu2.8
>>>> debug1: match: OpenSSH_6.6.1p1 Ubuntu-2ubuntu2.8 pat OpenSSH_6.6.1* 
>>>> compat 0x04000000
>>>> debug2: fd 3 setting O_NONBLOCK
>>>> debug1: Authenticating to trac.sagemath.org:22 as 'git'
>>>> debug1: SSH2_MSG_KEXINIT sent
>>>> debug1: SSH2_MSG_KEXINIT received
>>>> debug2: local client KEXINIT proposal
>>>> debug2: KEX algorithms: curve255...@libssh.org <javascript:>
>>>> ,ecdh-sha2-nistp256,ecdh-sha2-nistp384,ecdh-sha2-nistp521,diffie-hellman-group-exchange-sha256,diffie-hellman-group-exchange-sha1,diffie-hellman-group14-sha1,ext-info-c
>>>> debug2: host key algorithms: ecdsa-sha2-nis...@openssh.com 
>>>> <javascript:>,ecdsa-sha2-nistp384-cert-...@openssh.com <javascript:>,
>>>> ecdsa-sha2-nistp521-cert-...@openssh.com <javascript:>
>>>> ,ecdsa-sha2-nistp256,ecdsa-sha2-nistp384,ecdsa-sha2-nistp521,
>>>> ssh-ed25519-cert-...@openssh.com <javascript:>,
>>>> ssh-rsa-cert-...@openssh.com <javascript:>
>>>> ,ssh-ed25519,rsa-sha2-512,rsa-sha2-256,ssh-rsa
>>>> debug2: ciphers ctos: chacha20...@openssh.com <javascript:>
>>>> ,aes128-ctr,aes192-ctr,aes256-ctr,aes12...@openssh.com <javascript:>,
>>>> aes256-...@openssh.com <javascript:>
>>>> ,aes128-cbc,aes192-cbc,aes256-cbc,3des-cbc
>>>> debug2: ciphers stoc: chacha20...@openssh.com <javascript:>
>>>> ,aes128-ctr,aes192-ctr,aes256-ctr,aes12...@openssh.com <javascript:>,
>>>> aes256-...@openssh.com <javascript:>
>>>> ,aes128-cbc,aes192-cbc,aes256-cbc,3des-cbc
>>>> debug2: MACs ctos: umac-...@openssh.com <javascript:>,
>>>> umac-128-...@openssh.com <javascript:>,hmac-sha2-256-...@openssh.com 
>>>> <javascript:>,hmac-sha2-512-...@openssh.com <javascript:>,
>>>> hmac-sha1-...@openssh.com <javascript:>,uma...@openssh.com 
>>>> <javascript:>,umac...@openssh.com <javascript:>
>>>> ,hmac-sha2-256,hmac-sha2-512,hmac-sha1
>>>> debug2: MACs stoc: umac-...@openssh.com <javascript:>,
>>>> umac-128-...@openssh.com <javascript:>,hmac-sha2-256-...@openssh.com 
>>>> <javascript:>,hmac-sha2-512-...@openssh.com <javascript:>,
>>>> hmac-sha1-...@openssh.com <javascript:>,uma...@openssh.com 
>>>> <javascript:>,umac...@openssh.com <javascript:>
>>>> ,hmac-sha2-256,hmac-sha2-512,hmac-sha1
>>>> debug2: compression ctos: none,zl...@openssh.com <javascript:>,zlib
>>>> debug2
>>>>
>>>

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