GitLab home dir : /opt/gitlab/embedded/service/gitlab-rails/
How to: After changing corrsponding files run these commands as root or use sudo.
Make assets dir writable.
chmod -R 1777 /opt/gitlab/embedded/service/gitlab-rails/app/assets
chmod -R 1777 /opt/gitlab/embedded/service/gitlab-rails/public/assets/
Compile the assets.
gitlab-rake assets:clean RAILS_ENV=production && gitlab-rake assets:precompile RAILS_ENV=production && gitlab-rake cache:clear RAILS_ENV=production
Restart gitlab.
gitlab-ctl restart
Watch for any errors.
gitlab-ctl tail