Why to use virtualization?

Actually there are a lot of resources describing why virtualization matters, but here is one more informative article. Virtualization is one of those buzzwords that is being freely floated around the industry left and right, and can mean so many different things to so many different people. Lately, virtualization has been getting a lot of press coverage, and industry analysts are telling business organizations that this is a “must have” […]

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QEMU virtualization application

QEMU is an open source emulator for complete PC systems. In addition to emulating a processor, QEMU permits emulation of all necessary subsystems, such as networking and video hardware. It also permits emulation of advanced concepts, such as symmetric multiprocessing systems (up to 255 CPUs) and other processor architectures, such as ARM or PowerPC. This article explores QEMU and its architecture and shows how to emulate a guest operating system […]

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Get Wi-Fi working on Dell Inspiron 1501 with Ubuntu

This howto would help you to get Wi-Fi card working on Dell Inspiron 1501 laptop with ndiswrapper driver on Ubuntu. It was tested by me on Ubuntu Feisty. Delete previous appearances of ndiswrapper in your system: sudo rmmod ndiswrapper sudo apt-get remove ndiswrapper-utils sudo gnome-search-tool (type “ndiswrapper”, select “Look in folder” as “/” and press “Find” as it’s shown at the screenshot, select ALL found items and Move them to […]

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Xen cluster on Debian for newbies

Xen is a free software that runs on a host operating system and allows several guest operating systems to be run on top of the host on the same computer hardware at the same time. The following article tells how to set up Xen cluster based on Debian nodes with cluster virtualization management system Ganeti. Tutorial would be helpful also for Linux newbies as all stages of Xen cluster installation […]

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Testing system validity

IBM: Systems Administration Toolkit: Testing system validity The typical UNIX® administrator has a key range of utilities, tricks, and systems he or she uses regularly to aid in the process of administration. There are key utilities, command-line chains, and scripts that are used to simplify different processes. Some of these tools come with the operating system, but a majority of the tricks come through years of experience and a desire […]

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