From a82ec4f84b650c45c2253dcf5cedb15e615993bc Mon Sep 17 00:00:00 2001
From: Adar Nimrod <nimrod@shore.co.il>
Date: Mon, 30 Nov 2015 16:45:03 +0200
Subject: [PATCH] Some more documentation.

---
 README.rst | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/README.rst b/README.rst
index 30a7cbe..1b30829 100644
--- a/README.rst
+++ b/README.rst
@@ -54,6 +54,11 @@ Then the line will be::
 
     @cert-authority *.example.com ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAABAQC2fAkeidfnPn712B4uW3XhKyFt9FcJtVwSPKDSCykULg3X5gVV/Xa1yb4ameY3ihXOqQOlG3YpYnOQ8KdM67WtnERVbTJIfieRjGzoURz9NquLFXSKsuQrXMWRNHqXAHw7VirPvKL4cSc4l00Az1HDnHhMIclPY8G+8SkRIRsTwwwa5QjGF2wuhC6j5UHJSaF7qLFw9FSaCsEJTkQxtCD4+Rd/dxv3kVWSkm5DbNG0z3QHyISW7XDvyXP+1ccSb5+IWC0yQCT4OJNFUMDb+SdD7AzDHfI9Z5zTp56uGV23lywWhSvv20UPA0SyXJNGPOw7uJ1ak8q4SBh60PtOENQf ssh-ca
 
+#. You can also add it system wide by adding the above line to
+`/etc/ssh/ssh_known_hosts` and the following line to your `ssh_config` file::
+
+    GlobalKnownHostsFile /etc/ssh/ssh_known_hosts
+
 #. For strict security, add the following line to you `ssh_config` file::
 
     StrictHostKeyChecking yes
-- 
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