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    Apache/Tomcat with Failover and Load Balancing in 20 minutes or less...

    In order to get this done, you’ll need Apache, Tomcat, and the MOD_JK connector library. I’ve included the Windows binaries below, as I’m writing this blog post from a Windows machine. Feel free to swap out these downloads with whatever RPM, YAST, APT, etc. commands you want. Also, you’ll need...
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    GlusterFS Replication for Clustering

    I recently was searching for a way to simulate shared physical storage in a VPS environment for clustering purposes. In an enterprise data center we can expect some type of SAN available to provide shared physical storage. GFS is a simple solution in this case to create a shared file system that...
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    Using Conga Web Configuration with Red Hat Cluster Suite

    Overview Red Hat Cluster Suite provides high availability and clustered storage for RHEL platforms. Unfortunately the configuration management for each node can be tedious as the /etc/cluster/cluster.conf file must be copied to each as changes are made.  Conga makes life a little simpler. http://sourceware.org/cluster/conga/ Conga provides a client/server architecture for cluster...
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    Open Source Router, Proprietary Cake

    Keeping with SAI’s proclivity toward open source software, I present to you Vyatta. Vyatta is a small company with the goal of taking down Cisco by offering an open source router that can run on standard x86 hardware. With the prevalence of virtualization, one could realistically open a branch office using just...
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    Open Source Enterprise Search

    Has locating information across a multitude of systems on your corporate network finally made you consider an enterprise search appliance? Our company has a number of systems in place designed to capture corporate knowledge and subject matter expertise. Once it became too time consuming to find information across these systems...
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    Internet Routing Tables Reaches 300,000

    A few weeks ago the global routing table reached its 300,000th route.  Below is a graph showing the exponential growth over the last 15 years. BGP Table (Yearly) Let’s do a little math: Assuming all 4.3 billion IPv4 addresses are used (which isn’t quite true), each route represents approximately 4,294,967,296...