@@ -20,7 +20,11 @@ System Environment

     Alternatively you can disable it via:

         $ systemctl stop firewalld

-        

+

+1. Setup your host DNS to an address that the containers can reach

+

+  Containers need to be able to resolve hostnames, so if you run a local DNS server on your host, you should update your /etc/resolv.conf to instead use a DNS server that will be reachable from within running containers.  Google's "8.8.8.8" server is a popular choice.

+

 Build Failures

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