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Managing a grid, Part 2: Security considerations
Whether you are an established grid manager, just in the process of developing and designing your grid, or expecting to take over a grid environment soon, there are many different aspects you need to consider. In Part 2 of my new series, written b…
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Managing a grid, Part 1: Network and infrastructure
Whether you are an established grid manager, just in the process of developing and designing your grid, or expecting to take over a grid environment soon, there are many different aspects you need to consider. In a new four-part series I look at t…
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Application virtualization, Part 1: Level 1 — Abstracting your grid infrastructure
If you have an existing application, or you are developing a new one, what’s the quickest way to make that application work within a grid? Well one solution is to use virtualization techniques – build a virtual layer around your application so tha…
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Using alternative methods to manage and monitor your Unix Servers
I have for a long time been using a number of non-typical solutions for the management of my internal servers and, up until recently, those of my clients. I mentioned this in one of my first posts at Computerworld (RSS as and administration tool),…
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System Administrators Toolkit: Managing NIS services for authorizations
Managing your authentication service across your network can be achieved in many different ways, but there is a solution that has been available for years that provides synchronized authentication service, and that was designed to work with the Ne…
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System Administrators Toolkit: Backing up key information
Keeping a copy of the vital information that makes up your Unix environment could mean the difference between working again after a failure in hours compared to days. In the latest of my System Administrators Toolkit guide, I examine how best to i…
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System Administrators Toolkit: Standardizing your UNIX command-line tools
The latest article in my System Administration Toolkit series at IBM developerWorks has been released. This article on ways of simplifying and standardizing your environment and command-line tools within a heterogeneous environment. As someone who…
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System Administrators Toolkit: Migrating and moving UNIX filesystems
I’ve had more than one occasion when I’ve had to move a live filesystem to a new partition or new disk, whether its because I’m short on space on the original partition or through disk failure. I’ve put put my experience of that into my latest dev…
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Comparing traditional grids with high-performance computing
Traditionally, high performance computing was carried out by specialized hardware and software working together to produce a highly optimized environment. Grids are beginning to change that, by removing the need for the specialized elements while …
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System Administrators Toolkit: Monitoring disk space and usage
The next article in the System Administrators Toolkit series, this time on monitoring disk space and disk usage by users, is available at IBM developerWorks. This one focuses on finding out your disk storage, where it is being used, finding out wh…