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This tutorial provides step-by-step instructions on how to install Xen on a CentOS 5.2 system. Xen lets you create guest operating systems (*nix operating systems like Linux and FreeBSD), so called virtual machines or domUs, under a host operating system (dom0). Using Xen you can separate your applications into different virtual machines that are totally independent from each other (e.g. a virtual machine for a mail server, a virtual machine for a high-traffic web site, another virtual machine that serves your customers' web sites, a virtual machine for DNS, etc.), but still use the same hardware. This saves money, and what is even more important, it's more secure. If the virtual machine of your DNS server gets hacked, it has no effect on your other virtual machines. Plus, you can move virtual machines from one Xen server to the next one.
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This tutorial provides step-by-step instructions on how to install Xen on a CentOS 5.2 system. Xen lets you create guest operating systems (*nix operating systems like Linux and FreeBSD), so called virtual machines or domUs, under a host operating system (dom0). Using Xen you can separate your applications into different virtual machines that are totally independent from each other (e.g. a virtual machine for a mail server, a virtual machine for a high-traffic web site, another virtual machine that serves your customers' web sites, a virtual machine for DNS, etc.), but still use the same hardware. This saves money, and what is even more important, it's more secure. If the virtual machine of your DNS server gets hacked, it has no effect on your other virtual machines. Plus, you can move virtual machines from one Xen server to the next one.
http://www.howtoforge.com/installing-xen-on-centos-5.2-i386 Full Story |
http://grantmcwilliams.com/index.php?option=com_content&view...
or view review at Lxer :- http://lxer.com/module/newswire/view/106076/index.html
Mentioned build will generate x86_64 and i386 rpms at a time. Install i386 rpms:-
1. vi /etc/yum.conf and temporarily set "gpgcheck=0" to "gpgcheck=1" since RPMs aren't signed. 2. cd /usr/src/redhat/RPMS/i386 ; yum -y install xen-3.2.1-0xs.i386.rpm xen-libs-3.2.1-0xs.i386.rpm xen-devel-3.2.1-0xs.i386.rpm 3. vi /etc/yum.conf and set gpgcheck back to "gpgcheck=1". 4. edit /boot/grub/grub.conf and switch all references of /boot/xen-3.1.. to /boot/xen-3.2.. You'll get Xen 3.2.1 Hypervisor