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How-to : Create DAG on Exchange 2010

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Set of screenshots from old archives. It shows how to setup DAG on Microsoft Exchange Server 2010.

If there will be interest in that subject I will put some description around that, just request that in comments.

Otherwise, enjoy step-by-step screenshot guide for DAG on Exchange 2010

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How-To : openSUSE & keepalived for Firewall HA

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Current expectations from all type of systems and services is to be available without any disruption. One of mission critical systems is gateway/firewall. Of course you can use multiple products available on the market. One of them is openSUSE, which is perfect to act as gateway/firewall between Internet and production systems. So, how to provide redundancy for openSUSE and same time be able to keep it up-to-date without any disruption for production systems?

openSUSE 13.2 with keepalived provides all technology required to make your firewall high-available.

Here is diagram of Lab created to configure and test openSUSE with keepalived:

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