How to set up a one-click HA setting in PostgreSQL's vFabric Data Director is illustrated in Jignesh Shah's blogspot.com post. In some cases the PostgreSQL monitor can correctly diagnose the situation and restart the database. In others the virtual machine itself will need to be shut down, enabling the vCenter Server to start the database on another server. In this instance, DHCP addresses may well be affected, which Shah solves by relying on the virtual hosts format to allow users to find their intended database without regard for which server it is running on.
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"The GNU/Linux Advance Administration" is a 500+ page free eBook that covers Linux network, server and data administration, Linux kernel, security, clustering, configuration, tuning, optimization, migration, and coexistence with non-Linux systems. Produced by the Free Technology Academy (FTA), the complimentary book explains how to install and configure several computer services, as well as how to optimize and synchronize the resources using GNU/Linux.
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dim_STAT v8.5 was released in April. For any system administrators unfamiliar with the tool, dim_STAT is designed for for both high-level and detailed, monitoring and performance analysis of Solaris and Linux systems, and it is highly recommended by most working with these OSes. Amir Javanshir shows how the tool assisted in analyzing a Sun Startup Essentials member's system performance issues with an Oracle database.
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Step-by-step instructions have been published for using the Sun Storage 7000 Unified Storage System (release 2008.Q4) as a repository for the PostgreSQL database for the ADempiere open source Enterprise Resource Planning (ERP) and Supply Chain Management (SCM) application. Penned by Praneet Tiwani, the technical article provides all the configuration details as well as installation of ADempiere and test procedures.
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Mind Candy made its Moshi Monsters upgrade happen with Sun Technology: Sun Startup Essentials, Sun Fire X4170 and X4270 servers, Sun Storage 7000 Unified Storage System and Java SE6. Mind Candy achieved the upgrade with CPU utilization rates cut from 70 to 15 percent; Tomcat Web application server speed doubled; and the implementation of a cost-effective, eco-responsible infrastructure.
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