Add missing steps of Pages source installation (!9923) · Merge requests · GitLab.org / GitLab FOSS · GitLab

Achilleas Pipinellis - OOO until November 25th (parental leave) requested to merge docs/add-missing-steps-in-pages-source-install into master Mar 14, 2017

We were missing the steps to edit /etc/default/gitlab in some cases.

Fixes https://gitlab.com/gitlab-org/gitlab-ce/issues/29372