I am trying to get GitLab working on my server (running CentOS 6.5). I followed the gitlab-receipe to the line, but I just can\'t get it working. I am able to access the web
In my case that error was fixed by changing remote git-user shell to git-shell using chsh:
git-shell
chsh
chsh -s $(command -v git-shell) git
Official git-shell documentation. For security reasons it is highly recommended to use this shell for git-user on remote repository server.