How to access different gitlab servers from one machine?

antx · July 15, 2017, 11:28am

Hello,

I’m accessing our company’s gitlab server from home now for some time without problems.
Now I installed my own gitlab server at home (on a Raspberry Pi) for my own projects but am unable to access it via git.

The server seems to run just fine, I can access the web interface, configured it, added users, groups and a project.

I made a new SSH key (additional to the one I use to access the company gitlab server), added it to the ssh config file and put it in my profile on the gitlab server. (I do want to use another one for this server!)

When I try to clone my project in bash I’m being ask for my password but none of the passwords that are related to this (Raspberry Pi, gitlab, ssh) works. (don’t need a password for the company gitlab)

I also changed the git global config user and email, but that did not help either.

Is there still something I have to do, did I perhaps made a mistake somewhere (totally possible) or is it even possible to access different gitlab servers from one PC (I would be surprised if not)?

(If you need more info, please say so.)

eibhear · July 17, 2017, 8:08am

If it’s possible, it would be helpful for you to post the commands you are using to access your new gitlab server, and the responses that you get.

antx · July 18, 2017, 8:37pm

I Tried to clone my test project in a bash:

git clone git@RPGL:testgroup/TestProject.git

What I get is this:

Cloning into 'TestProject'...
Warning: Permanently added the ECDSA host key for IP address 'bladibla IP6 address here' to the list of known hosts.
git@rpgl's password:
Permission denied, please try again.
git@rpgl's password:

I’m not even sure what password to put in there. I thought ssh is using git without password.
This probably does not help much, so if you need more, please tell me.

kohenkatz · July 25, 2017, 2:52am

This means that your SSH key is not being recognized.

Can you paste the output of ssh -vv git@RPGL so we can see what your SSH client is trying to do? (It’s going to be very long output.) Make sure you paste it in a code block so we can read it easily.

antx · July 25, 2017, 5:07pm

Thanks for the reply. Here is the output:

$ ssh -vv git@RPGL
OpenSSH_7.5p1, OpenSSL 1.0.2k  26 Jan 2017
debug1: Reading configuration data /c/Users/antx/.ssh/config
/c/Users/antx/.ssh/config line 10: Unsupported option "rsaauthentication"
/c/Users/antx/.ssh/config line 17: Unsupported option "rsaauthentication"
debug1: Reading configuration data /etc/ssh/ssh_config
debug2: resolving "rpgl" port 22
debug2: ssh_connect_direct: needpriv 0
debug1: Connecting to rpgl [2003:65:ed0f:5000:6222:9140:bb62:fbfa] port 22.
debug1: Connection established.
debug1: identity file /c/Users/antx/.ssh/id_rsa type 1
debug1: key_load_public: No such file or directory
debug1: identity file /c/Users/antx/.ssh/id_rsa-cert type -1
debug1: key_load_public: No such file or directory
debug1: identity file /c/Users/antx/.ssh/id_dsa type -1
debug1: key_load_public: No such file or directory
debug1: identity file /c/Users/antx/.ssh/id_dsa-cert type -1
debug1: key_load_public: No such file or directory
debug1: identity file /c/Users/antx/.ssh/id_ecdsa type -1
debug1: key_load_public: No such file or directory
debug1: identity file /c/Users/antx/.ssh/id_ecdsa-cert type -1
debug1: key_load_public: No such file or directory
debug1: identity file /c/Users/antx/.ssh/id_ed25519 type -1
debug1: key_load_public: No such file or directory
debug1: identity file /c/Users/antx/.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 OpenSSH_6.7p1 Raspbian-5+deb8u3
debug1: match: OpenSSH_6.7p1 Raspbian-5+deb8u3 pat OpenSSH* compat 0x04000000
debug2: fd 3 setting O_NONBLOCK
debug1: Authenticating to rpgl:22 as 'git'
debug1: SSH2_MSG_KEXINIT sent
debug1: SSH2_MSG_KEXINIT received
debug2: local client KEXINIT proposal
debug2: KEX algorithms: curve25519-sha256,curve25519-sha256@libssh.org,ecdh-sha2-nistp256,ecdh-sha2-nistp384,ecdh-sha2-nistp521,diffie-hellman-group-exchange-sha256,diffie-hellman-group16-sha512,diffie-hellman-group18-sha512,diffie-hellman-group-exchange-sha1,diffie-hellman-group14-sha256,diffie-hellman-group14-sha1,ext-info-c
debug2: host key algorithms: ecdsa-sha2-nistp256-cert-v01@openssh.com,ecdsa-sha2-nistp384-cert-v01@openssh.com,ecdsa-sha2-nistp521-cert-v01@openssh.com,ecdsa-sha2-nistp256,ecdsa-sha2-nistp384,ecdsa-sha2-nistp521,ssh-ed25519-cert-v01@openssh.com,ssh-rsa-cert-v01@openssh.com,ssh-ed25519,rsa-sha2-512,rsa-sha2-256,ssh-rsa
debug2: ciphers ctos: chacha20-poly1305@openssh.com,aes128-ctr,aes192-ctr,aes256-ctr,aes128-gcm@openssh.com,aes256-gcm@openssh.com,aes128-cbc,aes192-cbc,aes256-cbc
debug2: ciphers stoc: chacha20-poly1305@openssh.com,aes128-ctr,aes192-ctr,aes256-ctr,aes128-gcm@openssh.com,aes256-gcm@openssh.com,aes128-cbc,aes192-cbc,aes256-cbc
debug2: MACs ctos: umac-64-etm@openssh.com,umac-128-etm@openssh.com,hmac-sha2-256-etm@openssh.com,hmac-sha2-512-etm@openssh.com,hmac-sha1-etm@openssh.com,umac-64@openssh.com,umac-128@openssh.com,hmac-sha2-256,hmac-sha2-512,hmac-sha1
debug2: MACs stoc: umac-64-etm@openssh.com,umac-128-etm@openssh.com,hmac-sha2-256-etm@openssh.com,hmac-sha2-512-etm@openssh.com,hmac-sha1-etm@openssh.com,umac-64@openssh.com,umac-128@openssh.com,hmac-sha2-256,hmac-sha2-512,hmac-sha1
debug2: compression ctos: none,zlib@openssh.com,zlib
debug2: compression stoc: none,zlib@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-sha256@libssh.org,ecdh-sha2-nistp256,ecdh-sha2-nistp384,ecdh-sha2-nistp521,diffie-hellman-group-exchange-sha256,diffie-hellman-group14-sha1
debug2: host key algorithms: ssh-rsa,ssh-dss,ecdsa-sha2-nistp256,ssh-ed25519
debug2: ciphers ctos: aes128-ctr,aes192-ctr,aes256-ctr,aes128-gcm@openssh.com,aes256-gcm@openssh.com,chacha20-poly1305@openssh.com
debug2: ciphers stoc: aes128-ctr,aes192-ctr,aes256-ctr,aes128-gcm@openssh.com,aes256-gcm@openssh.com,chacha20-poly1305@openssh.com
debug2: MACs ctos: umac-64-etm@openssh.com,umac-128-etm@openssh.com,hmac-sha2-256-etm@openssh.com,hmac-sha2-512-etm@openssh.com,hmac-sha1-etm@openssh.com,umac-64@openssh.com,umac-128@openssh.com,hmac-sha2-256,hmac-sha2-512,hmac-sha1
debug2: MACs stoc: umac-64-etm@openssh.com,umac-128-etm@openssh.com,hmac-sha2-256-etm@openssh.com,hmac-sha2-512-etm@openssh.com,hmac-sha1-etm@openssh.com,umac-64@openssh.com,umac-128@openssh.com,hmac-sha2-256,hmac-sha2-512,hmac-sha1
debug2: compression ctos: none,zlib@openssh.com
debug2: compression stoc: none,zlib@openssh.com
debug2: languages ctos:
debug2: languages stoc:
debug2: first_kex_follows 0
debug2: reserved 0
debug1: kex: algorithm: curve25519-sha256@libssh.org
debug1: kex: host key algorithm: ecdsa-sha2-nistp256
debug1: kex: server->client cipher: chacha20-poly1305@openssh.com MAC: <implicit> compression: none
debug1: kex: client->server cipher: chacha20-poly1305@openssh.com MAC: <implicit> compression: none
debug1: expecting SSH2_MSG_KEX_ECDH_REPLY
debug1: Server host key: ecdsa-sha2-nistp256 SHA256:tFr4e2D3Vng8i4EXVVMAD8+hniO0Z+rpjaryOiZKUBA
debug1: Host 'rpgl' is known and matches the ECDSA host key.
debug1: Found key in /c/Users/antx/.ssh/known_hosts:3
Warning: Permanently added the ECDSA host key for IP address '2003:65:ed0f:5000:6222:9140:bb62:fbfa' to the list of known hosts.
debug2: set_newkeys: mode 1
debug1: rekey after 134217728 blocks
debug1: SSH2_MSG_NEWKEYS sent
debug1: expecting SSH2_MSG_NEWKEYS
debug1: SSH2_MSG_NEWKEYS received
debug2: set_newkeys: mode 0
debug1: rekey after 134217728 blocks
debug2: key: /c/Users/antx/.ssh/id_rsa (0x80058a40)
debug2: key: /c/Users/antx/.ssh/id_dsa (0x0)
debug2: key: /c/Users/antx/.ssh/id_ecdsa (0x0)
debug2: key: /c/Users/antx/.ssh/id_ed25519 (0x0)
debug2: service_accept: ssh-userauth
debug1: SSH2_MSG_SERVICE_ACCEPT received
debug1: Authentications that can continue: publickey,password
debug1: Next authentication method: publickey
debug1: Offering RSA public key: /c/Users/antx/.ssh/id_rsa
debug2: we sent a publickey packet, wait for reply
debug1: Authentications that can continue: publickey,password
debug1: Trying private key: /c/Users/antx/.ssh/id_dsa
debug1: Trying private key: /c/Users/antx/.ssh/id_ecdsa
debug1: Trying private key: /c/Users/antx/.ssh/id_ed25519
debug2: we did not send a packet, disable method
debug1: Next authentication method: password

at this point I`m being asked for a password again.

kohenkatz · July 25, 2017, 5:22pm

There is some kind of problem with your SSH config file.

For example, from the log you just posted:

debug1: Reading configuration data /c/Users/antx/.ssh/config
/c/Users/antx/.ssh/config line 10: Unsupported option "rsaauthentication"
/c/Users/antx/.ssh/config line 17: Unsupported option "rsaauthentication"

Can you show us the contents of your SSH config file (edit out any private info, if you want, but make sure to keep the paths to your key files)?

antx · July 25, 2017, 7:08pm

# Company
Host workgl
HostName gitlab.company.com
User git
RSAAuthentication yes
IdentityFile ~/.ssh/id_rsa

# antx Gitlab
Host antxgl
HostName 192.168.178.23
User git
IdentityFile ~/.ssh/id_rsa_antx

The upper one is the one that works. The “RSAAuthentication yes” line was always in there and never made problems. I removed this line for the lower one, but to no avail.

antx · July 25, 2017, 9:53pm

Alright, I finally got it to work with some help from over at stack overflow.

I have to clone with:
git clone git@antxgl:testgroup/TestProject.git
instead of:
git clone git@RPGL:testgroup/TestProject.git

I also deleted my ssh keys again and created new ones and removed the entries from the known_hosts file (except the one for the company gitlab server witch was working in the first place).