The world's largest technical support, software and hardware companies use Linux on a daily basis for a variety of tasks and solutions. This post gives you an overview of all the ways in which large companies use Linux. Most don't use Linux on the desktop but do use it in ways you might expect (and a few you might not expect) a company of that magnitude to use it. They've leveraged Linux for some of the most critical workloads and 100% uptime service levels. Welcome to the world of enterprise Linux. [B]10. Intrusion Detection Systems[/B] - Linux provides the perfect …

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Hi, I want to get installed Xen kernels & initrds in my computer using a python code. When I do a ls /boot I get the following results. config-2.6.26-2-686 config-2.6.26-2-xen-686 grub initrd.img-2.6.26-2-686 initrd.img-2.6.26-2-686.bak initrd.img-2.6.26-2-xen-686 initrd.img-2.6.26-2-xen-686.bak System.map-2.6.26-2-686 System.map-2.6.26-2-xen-686 vmlinuz-2.6.26-2-686 vmlinuz-2.6.26-2-xen-686 xen-3.2-1-i386.gz and what I want is "vmlinuz-2.6.26-2-xen-686" & "initrd.img-2.6.26-2-xen-686". We can get the results using lot of string processing but I need a simple way to do this. Thank You.

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It's rare that a company like [URL="http://www.redhat.com"]Red Hat[/URL] would remove a high-end feature from its popular commercial operating system but that's just what it did. Red Hat Enterprise Linux (RHEL) 6.0 will ship without the [URL="http://www.xen.org"]Xen[/URL] hypervisor. Instead, it will include Red Hat's own [URL="http://www.linux-kvm.org"]KVM[/URL] virtualization. Has Red Hat done itself a disservice with this move? Is it alienating an entire user base? Absolutely not, to both questions. After Red Hat purchased Qumranet in 2008 (and acquired KVM in the deal), it no longer needed to support a second, competing hypervisor. The people at Red Hat and Qumranet are smart …

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Well, well, well...Larry Ellison, [URL="http://www.oracle.com"]Oracle[/URL] CEO [URL="http://www.oracle.com/us/corporate/press/018535"]added[/URL] [URL="http://www.virtualiron.com"]Virtual Iron[/URL] to his collection today. Congratulations, Larry. When is Oracle going bankrupt? Every time that I've seen a company acquire too many other companies in a short time period, they always end up in the dustbin. Oracle just acquired [URL="http://www.sun.com"]Sun[/URL] just one short month ago. I'm not sure what Larry's thinking on this one--Virtual Iron is [URL="http://www.xen.org"]Xen[/URL] which is an open source, Linux-based virtualization product that Oracle could have produced themselves. I'm also not sure exactly what they're buying--Virtual Iron's vast client base? That's a laugh. Virtual Iron sparks such little interest …

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A lot of companies are attempting to hitch their wagons to a star these days with a long layover in the Clouds. Big companies like [URL="http://www.sun.com"]Sun[/URL], [URL="http://www.ibm.com"]IBM[/URL], [URL="http://www.hp.com"]HP[/URL], [URL="http://www.cisco.com"]Cisco[/URL], [URL="http://www.amazon.com"]Amazon[/URL], [URL="http://www.google.com"]Google[/URL], [URL="http://www.vmware.com"]VMware[/URL] and [URL="http://www.citrix.com"]Citrix[/URL] are making major financial investments in Cloud culture. Are they chasing rainbows or will they find gold in the silver lining? I think there's a good possibility that they will find gold--now the question is, how much will they find. Amazon proved that it's possible to develop, maintain, promote and make a successful cloud-oriented business. Are they making billions from their new enterprise? No. Will they? …

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You read that title correctly; XenServer is free. Free as in advice--since I've never seen any of this free beer of which the Open Source Community speaks so freely. And, yes, this [B]is[/B] breaking news. [URL="http://www.citrix.com"]Citrix[/URL] made XenServer free as of Feb 23, 2009 12:01am EST. This exciting announcement is part of a move by Citrix to open its flagship XenServer to further adoption by Cloud vendors, corporations and developers. Oh, but that's not all. It gets better. In fact, Citrix gets a [URL="http://www.daniweb.com/blogs/entry4012.html"]Gold Star[/URL]. Yes, that's right, they've partnered with Microsoft. This time, it might not be so bad …

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Do you need 10 reasons to use Linux-based virtualization? Linux is the chosen virtualization platform for Cloud vendors, virtualization software companies and the largest IT companies in the world. What do they know that you don't? Here's the list of 10 reasons in reverse order (Actually there's no particular order except for the number 1 reason). 10. [B]Big Vendor Support[/B] - VMware, Citrix, Red Hat and Ubuntu are your big commercial vendors using Linux for their virtualization technology. Why do they use it? Various reasons but the top reason is performance. 9. [B]Price[/B] - Yes, I know I'm beating a …

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Everyone wants to know what's going to happen in the new year as if anyone can accurately predict these things. However, one can deduce, with reasonable accuracy, that there will be innovations that are designed to get our attention. This is my list of Linux-oriented predictions for 2009. [B]The keyword for 2009 is [I]Innovation[/I].[/B] [B]1. Buyouts/Mergers[/B] - 2009 will see its share of company buyouts and mergers--all innovation-related. Larger companies will buy up smaller ones with innovative products and services. Many new open source millionaires will be created through these transitions. [B]2. Gadgets, Gadgets, and more Gadgets[/B] - This will …

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I guess no one ever asked before--maybe no one cares--or maybe it just isn't discussed. While at VMWorld, I asked a major virtualization vendor representative if they had implemented VDI (Virtual Desktop Infrastructure) in their Enterprise. The answer I got is shocking to me. Maybe someone should have asked before. Maybe their answer is the [I]right[/I] answer. In my latest Linux Magazine Virtualization Column [URL="http://www.linux-mag.com/id/7015"]entry[/URL], I have drawn the analogy between automotive manufacturers who issue horses to their employees instead of cars to that of virtualization vendors who don't implement the technology they're trying to sell you. How do you …

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Major players in the laptop computer market go virtual with Linux. [URL="http://www.hp.com"]HP[/URL], [URL="http://www.lenovo.com"]Lenovo[/URL], and now [URL="http://www.dell.com"]Dell[/URL] offer laptops that have a Linux Mode. Linux Mode in the Dell Latitude line offers the user a minimal environment where one can surf the web, check email, and perform a few other tasks. In this mode that boots in 2 seconds, the battery lasts about 19 hours. What's the magic that makes this happen, you ask? An [URL="http://www.arm.com"]ARM[/URL] embedded processor and a special version of Linux designed specifically for the ARM. From the ARM website: [INDENT][COLOR="Green"]ARM is the industry's leading provider of 32-bit …

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Red Hat announced a new bare-metal [I]hypervisor[/I] technology last week at the Red Hat Summit in Boston. It is based on KVM (Kernel-Based Virtual Machine) technology and actually has been included in Linux kernel version 2.6.20 and up. This announcement has some Red Hat and virtualization proponents wondering why Red Hat is throwing its support behind this solution when it already includes Xen technology. Xen is true hypervisor virtualization; KVM is not. KVM is hosted virtualization that employs QEMU for virtual machines. Red Hat may be pushing this KVM solution to allow more users to try an entry-level bare metal …

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The End.