Automatic merge of gitlab-org/gitlab-ce master

doc/administration/operations/fast_ssh_key_lookup.md

@@ -71,6 +71,9 @@ sudo service sshd reload
 Confirm that SSH is working by removing your user's SSH key in the UI, adding a
 new one, and attempting to pull a repo.
 
+> **Note:** For Omnibus Docker, `AuthorizedKeysCommand` is setup by default in
+GitLab 11.11 and later.
+
 > **Warning:** Do not disable writes until SSH is confirmed to be working
 perfectly, because the file will quickly become out-of-date.