git push failing on a local gitlab repo

Question

1. I have installed Gitlab in /home/myuser/gitlab.
   1. I created a rep testing
   2. Following instructions, I added a remote git@localhost:root/testing.git

Here's my /home/myhome/.ssh/config file

Host mylocalhost
Hostname localhost
User git
IdentityFile /home/myuser/.ssh/id_rsa

When I run ssh mylocalhost, I have the right message Welcome to GitLab, Administrator!. But then, I get the following input

debug2: channel 0: rcvd eof
debug2: channel 0: output open -> drain
debug2: channel 0: obuf empty
debug2: channel 0: close_write
debug2: channel 0: output drain -> closed
debug1: client_input_channel_req: channel 0 rtype exit-status reply 0
debug1: client_input_channel_req: channel 0 rtype eow@openssh.com reply 0
debug2: channel 0: rcvd eow
debug2: channel 0: close_read
debug2: channel 0: input open -> closed
debug2: channel 0: rcvd close
debug3: channel 0: will not send data after close
debug2: channel 0: almost dead
debug2: channel 0: gc: notify user
debug2: channel 0: gc: user detached
debug2: channel 0: send close
debug2: channel 0: is dead
debug2: channel 0: garbage collecting
debug1: channel 0: free: client-session, nchannels 1
debug3: channel 0: status: The following connections are open:
  #0 client-session (t4 r0 i3/0 o3/0 fd -1/-1 cc -1)

Transferred: sent 3284, received 3480 bytes, in 0.4 seconds
Bytes per second: sent 7501.3, received 7949.0
debug1: Exit status 0` 

and in my GitLab log

Started GET "/api/v3/internal/allowed?key_id=4&action=git-receive-pack&ref=_any&project=testing" for 127.0.0.1 at 2013-11-07 16:48:00 +0100

Btw, each time I run some git command, I get the message

ssh: Could not resolve hostname mylocalhost: nodename nor servname provided, or not known
fatal: Could not read from remote repository.

Someone has an idea ?

Update : running gitlab-shell/bin/check outputs

Check GitLab API access: OK
Check directories and files: 
    /Users/git/repositories: OK

and bundle exec rake gitlab:env:info RAILS_ENV=production outputs

System information
System:     Mac OS X 10.9
Current User:   myname
Using RVM:  yes
RVM Version:    1.21.7
Ruby Version:   2.0.0p195
Gem Version:    2.0.3
Bundler Version:1.3.5
Rake Version:   10.1.0

GitLab information
Version:    6.2.0.pre
Revision:   ea72f4f
Directory:  /Users/git/gitlab
DB Adapter: mysql2
URL:        http://localhost
HTTP Clone URL: http://localhost/some-project.git
SSH Clone URL:  git@localhost:some-project.git
Using LDAP: no
Using Omniauth: no

GitLab Shell
Version:    1.7.1
Repositories:   /Users/git/repositories/
Hooks:      /Users/git/gitlab-shell/hooks/
Git:        /usr/bin/git

and my gitlab.yml seems correct

Answer 1

When running gitlab service, I get The GitLab Unicorn webserver is not running.
The GitLab Sidekiq job dispatcher with pid 66802 is running.
But running bundle exec rake gitlab:check RAILS_ENV=production, I get Checking Sidekiq ... Running? ... no

Make sure you did the installation and the checks with the right user at every step (between su (root) and su git)

The OP Newben confirms:

when I sudo my check, sidekiq is indeed runnning.

Regarding the repos:

I changed the remote origin url git remote set-url origin git@localhost:repositories/root/#{myrepo}.git and now it works !

That comes from a new limitation imposed with GitLab 6.0:

From now on a group is not just a directory for projects. It also allows you to add users. After user is added to group – it automatically get access to all existing and new projects inside group.
You can also have have multiple owners for a group who can manage members/projects.

See also "What are the differences between gitlab team and gitlab group?".

With this GitLab becomes more group oriented. That is why we no longer support global namespaces. Project can be part of group or user only.

Project (your myrepo.git) can be part of group or user only (here user account root).