From b27d479ad53bd62626228199b4f5a0c0fe0cd69f Mon Sep 17 00:00:00 2001
From: Avi Miller <avi.miller@oracle.com>
Date: Wed, 25 Nov 2015 10:30:12 +1100
Subject: [PATCH] Adding additional comment to enable the shared system
 certificates store.

Signed-off-by: Avi Miller <avi.miller@oracle.com>
---
 docs/insecure.md | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/docs/insecure.md b/docs/insecure.md
index 7d4ea317..9eabb378 100644
--- a/docs/insecure.md
+++ b/docs/insecure.md
@@ -78,9 +78,12 @@ Usually, on Ubuntu this is done with:
     cp auth/domain.crt /usr/local/share/ca-certificates/myregistrydomain.com.crt
     update-ca-certificates
 
-... and on RedHat with:
+... and on Red Hat (and its derivatives) with:
 
     cp auth/domain.crt /etc/pki/ca-trust/source/anchors/myregistrydomain.com.crt
     update-ca-trust
 
+... On some distributions, e.g. Oracle Linux 6, the Shared System Certificates feature needs to be manually enabled:
+    $ sudo update-ca-trust enable
+
 Now restart docker (`service docker stop && service docker start`, or any other way you use to restart docker).