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From sjcorbett <...@git.apache.org>
Subject [GitHub] incubator-brooklyn pull request: Ports @aledsage's Troubleshooting...
Date Thu, 09 Jul 2015 14:26:23 GMT
Github user sjcorbett commented on a diff in the pull request:

    https://github.com/apache/incubator-brooklyn/pull/741#discussion_r34260328
  
    --- Diff: docs/guide/dev/tips/troubleshooting-connectivity.md ---
    @@ -0,0 +1,141 @@
    +---
    +layout: website-normal
    +title: Troubleshooting Server Connectivity Issues in the Cloud
    +toc: /guide/toc.json
    +---
    +
    +A common problem when setting up an application in the cloud is getting the basic connectivity
right - how
    +do I get my service (e.g. a TCP host:port) publicly accessible over the internet.
    +
    +This varies a lot - e.g. is the VM public or in a private network, is the service only
accessible through
    +a load balancer, should the service be globally reachable or only to a particular CIDR.
    +
    +This blog post gives some general tips for debugging connectivity issues, which are applicable
to a 
    +range of different service types. Choose those that are appropriate for your use-case.
    +
    +## VM reachable
    +If the VM is supposed to be accessible directly (e.g. from the public internet, or if
in a private network
    +then from a jump host)...
    +
    +### ping
    +Can you `ping` the VM from the machine you are trying to reach it from.
    --- End diff --
    
    A number of these paragraphs should end with question marks.


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