Add to update guides satellites group permission.

doc/install/installation.md

@@ -202,7 +202,7 @@ You can change `6-6-stable` to `master` if you want the *bleeding edge* version,
 
     # Create directory for satellites
     sudo -u git -H mkdir /home/git/gitlab-satellites
-    sudo chmod o-rwx /home/git/gitlab-satellites
+    sudo chmod u+rwx,g+rx,o-rwx /home/git/gitlab-satellites
 
     # Create directories for sockets/pids and make sure GitLab can write to them
     sudo -u git -H mkdir tmp/pids/

doc/update/6.0-to-6.7.md

@@ -80,6 +80,9 @@ sudo -u git -H bundle exec rake migrate_iids RAILS_ENV=production
 
 # Clean up assets and cache
 sudo -u git -H bundle exec rake assets:clean assets:precompile cache:clear RAILS_ENV=production
+
+# Close access to gitlab-satellites for others
+sudo chmod u+rwx,g+rx,o-rwx /home/git/gitlab-satellites
 ```
 
 ### 6. Update config files

doc/update/6.6-to-6.7.md

@@ -63,6 +63,9 @@ sudo cp lib/support/init.d/gitlab /etc/init.d/gitlab
 
 # Update the logrotate configuration (keep logs for 90 days instead of 52 weeks)
 sudo cp lib/support/logrotate/gitlab /etc/logrotate.d/gitlab
+
+# Close access to gitlab-satellites for others
+sudo chmod u+rwx,g+rx,o-rwx /home/git/gitlab-satellites
 ```