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.
Tokens and Certificates
Of course, the VPN dial-up no longer uses a simple pre-shared key (PSK) but, instead, uses secure, centrally manageable X.509 certificates [3] that automatically expire. You can
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. Current enterprise solutions for the virtualization of servers and desktops [3] are all based on KVM.
Setup and Software
The example discussed in this article uses two physical nodes: host1
and host2
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also frequently provides the underpinnings for a virtualization cluster that runs multiple guests in a high-availability environment, thanks to Open Source tools such as Heartbeat [2] and Pacemaker [3
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qemu_x86_defconfigmake menuconfig (build-option, Kernel-Version 3.2, gdb, tty1)makemake linux-menuconfig (debug info) make
3. Compile the module and copy it to the root directory:cd driverexport CROSS
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[2] by VMware started to move into the server racks in the summer of 2011, but while I was researching this article, Citrix suddenly burst onto the scene with the XenServer 6.0 release [3
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and least connected, and they are also the most commonly used in LVS clusters.
Configuration
Piranha [3] is a clustering product from Red Hat based on the LVS concept. It includes the IPVS kernel code ... 3
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few years, including Amazon Elastic Compute Cloud (EC2), Amazon Simple Storage Service (S3), and JiffyBox. In the US, these vendors are joined by providers such as GoGrid, Rackspace, and Terremark
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; whereas KVM [3] supports genuine hardware virtualization in combination with the right CPU. Both virtualization technologies support maximum performance for the guest system in line with the current state
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opcontrol --list-events
oprofile: available events for CPU type "Core 2"
See Intel Architecture Developer's Manual Volume 3B, Appendix A and Intel Architecture Optimization Reference Manual (730795-001)
INST
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, your scaling options are virtually unlimited, and you can add Content Delivery Networks (CDN). As an example, SlideShare [1] integrates document downloads and Flash file hosting with Amazon S3 and Cloud
