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 <title>xen</title>
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 <title>Virtualization With XenServer Express 5.0.0</title>
 <link>http://www.ziobudda.net/notizie/virtualization-xenserver-express-500</link>
 <description>This Howto covers the installation of XenServer Express 5.0.0 and the creation of virtual machines with the XenCenter administrator console. XenServer Express is the free virtualization platform from Citrix, the company behind the well known Xen virtualization engine. XenServer Express makes it easy to create, run and manage Xen virtual machines with the XenCenter administrator console. The XenServer Express installation CD contains a full Linux distribution which is customized to run XenServer Express.</description>
 <comments>http://www.ziobudda.net/notizie/virtualization-xenserver-express-500#comments</comments>
 <category domain="http://www.ziobudda.net/categoria_notizia/howtoforge">HowtoForge</category>
 <category domain="http://www.ziobudda.net/tag_aggiuntivi/linux">linux</category>
 <category domain="http://www.ziobudda.net/tag_aggiuntivi/virtualmachine">virtual machine</category>
 <category domain="http://www.ziobudda.net/tag_aggiuntivi/virtualization">virtualization</category>
 <category domain="http://www.ziobudda.net/tag_aggiuntivi/vm">vm</category>
 <category domain="http://www.ziobudda.net/tags/xen">xen</category>
 <category domain="http://www.ziobudda.net/tags/xencenter">xencenter</category>
 <category domain="http://www.ziobudda.net/tags/xenserverexpress">xenserver express</category>
 <pubDate>Tue, 14 Oct 2008 12:32:24 +0200</pubDate>
 <dc:creator>falko</dc:creator>
 <guid isPermaLink="false">105775 at http://www.ziobudda.net</guid>
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 <title>Load-Balanced High-Availability Web Cluster With 2 Xen Servers On Ubuntu 8.04</title>
 <link>http://www.ziobudda.net/notizie/loadbalanced-highavailability-web-cluster-2-xen-servers-ubuntu-804</link>
 <description>In this howto we will build a load-balanced and high-availability web cluster on 2 real servers with Xen, hearbeat and ldirectord. The cluster will do http, mail, DNS, MySQL database and will be completely monitored. This is currently used on a production server with a couple of websites. The goal of this tutorial is to achieve load balancing &amp;amp; high availability with as few real servers as possible and of course, with open-source software. More servers means more hardware &amp;amp; hosting cost.</description>
 <comments>http://www.ziobudda.net/notizie/loadbalanced-highavailability-web-cluster-2-xen-servers-ubuntu-804#comments</comments>
 <category domain="http://www.ziobudda.net/categoria_notizia/howtoforge">HowtoForge</category>
 <category domain="http://www.ziobudda.net/tags/cluster">cluster</category>
 <category domain="http://www.ziobudda.net/tags/heartbeat">heartbeat</category>
 <category domain="http://www.ziobudda.net/tags/highavailability-0">high availability</category>
 <category domain="http://www.ziobudda.net/tags/ldirectord">ldirectord</category>
 <category domain="http://www.ziobudda.net/tags/loadbalancer">load balancer</category>
 <category domain="http://www.ziobudda.net/tag_aggiuntivi/ubuntu">ubuntu</category>
 <category domain="http://www.ziobudda.net/tags/xen">xen</category>
 <pubDate>Sun, 12 Oct 2008 14:33:03 +0200</pubDate>
 <dc:creator>falko</dc:creator>
 <guid isPermaLink="false">105342 at http://www.ziobudda.net</guid>
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<item>
 <title>XEN. Futuro virtuale </title>
 <link>http://www.ziobudda.net/notizie/xen-futuro-virtuale</link>
 <description>Macchine virtuali
Il concetto di macchina virtuale ha accompagnato l&#039;ultimo ventennio della storia dell&#039;informatica applicata. In principio per macchina virtuale si intendeva la visione che ciascun utente percepiva del sistema di elaborazione (singolo) a cui aveva accesso; grazie alla virtualizzazione ogni utente del sistema aveva l&#039;impressione di essere l&#039;unico ad utilizzare lo stesso, e di conseguenza l&#039;unico ad avere tutte le risorse a disposizione. Il software capace di fornire questa virtualizzazione viene chiamato Hypervisor. 
Un prodotto innovativo in questo settore è senza dubbio XEN. Interessante hypervisor (virtual machine monitor) open-source, XEN, sviluppato presso il Computer Laboratory dell&#039;Università di Cambridge è distribuito sotto licenza GPL. Esso consente di emulare differenti sistemi operativi sulla stessa macchina, contenendo l&#039;overhead introdotto e offrendo prestazioni interessanti se comparate sia a quelle dei sistemi reali (non emulati) che a quelle offerte dagli altri hypervisors presenti in commercio. 

L&#039;articolo offre una panoramica di XEN e alcuni raffronti con i suoi principali competitors</description>
 <comments>http://www.ziobudda.net/notizie/xen-futuro-virtuale#comments</comments>
 <category domain="http://www.ziobudda.net/categoria_notizia/datamanagerit">DataManager.it</category>
 <category domain="http://www.ziobudda.net/tags/hypervisor">hypervisor</category>
 <category domain="http://www.ziobudda.net/tag_aggiuntivi/virtualizzazione">virtualizzazione</category>
 <category domain="http://www.ziobudda.net/tag_aggiuntivi/vmware">vmware</category>
 <category domain="http://www.ziobudda.net/tags/xen">xen</category>
 <pubDate>Fri, 10 Oct 2008 12:35:00 +0200</pubDate>
 <dc:creator />
 <guid isPermaLink="false">104971 at http://www.ziobudda.net</guid>
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<item>
 <title>How to install &amp; configure Xen Virtualization in openSUSE 11.0</title>
 <link>http://www.ziobudda.net/articoli/how-install-configure-xen-virtualization-opensuse-110</link>
 <description>Virtualization cannot be that simpler than in openSUSE 11.0.
</description>
 <comments>http://www.ziobudda.net/articoli/how-install-configure-xen-virtualization-opensuse-110#comments</comments>
 <category domain="http://www.ziobudda.net/categoria_articolo/suse">Suse</category>
 <category domain="http://www.ziobudda.net/tags/hypervisor">hypervisor</category>
 <category domain="http://www.ziobudda.net/tag_aggiuntivi/linux">linux</category>
 <category domain="http://www.ziobudda.net/tag_aggiuntivi/opensource_0">opensource</category>
 <category domain="http://www.ziobudda.net/tag_aggiuntivi/opensuse">OpenSUSE</category>
 <category domain="http://www.ziobudda.net/tag_aggiuntivi/virtualization">virtualization</category>
 <category domain="http://www.ziobudda.net/tags/xen">xen</category>
 <pubDate>Thu, 31 Jul 2008 20:29:44 +0200</pubDate>
 <dc:creator />
 <guid isPermaLink="false">87377 at http://www.ziobudda.net</guid>
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<item>
 <title>Installing Xen On An Ubuntu 8.04 Server From The Ubuntu Repositories</title>
 <link>http://www.ziobudda.net/notizie/installing-xen-ubuntu-804-server-ubuntu-repositories</link>
 <description>This tutorial provides step-by-step instructions on how to install Xen on an Ubuntu Hardy Heron (Ubuntu 8.04) server system (i386). You can find all the software used here in the Ubuntu repositories, so no external files (apart from a fixed Ubuntu Xen kernel to enable networking for the virtual machines) or compilation are needed.</description>
 <comments>http://www.ziobudda.net/notizie/installing-xen-ubuntu-804-server-ubuntu-repositories#comments</comments>
 <category domain="http://www.ziobudda.net/categoria_notizia/howtoforge">HowtoForge</category>
 <category domain="http://www.ziobudda.net/tag_aggiuntivi/ubuntu">ubuntu</category>
 <category domain="http://www.ziobudda.net/tag_aggiuntivi/virtualmachine">virtual machine</category>
 <category domain="http://www.ziobudda.net/tag_aggiuntivi/virtualization">virtualization</category>
 <category domain="http://www.ziobudda.net/tag_aggiuntivi/vm">vm</category>
 <category domain="http://www.ziobudda.net/tag_aggiuntivi/vps">vps</category>
 <category domain="http://www.ziobudda.net/tags/xen">xen</category>
 <pubDate>Thu, 08 May 2008 12:08:53 +0200</pubDate>
 <dc:creator>falko</dc:creator>
 <guid isPermaLink="false">66476 at http://www.ziobudda.net</guid>
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<item>
 <title>VMware costa troppo? E se usassimo Xen su SLES...</title>
 <link>http://www.ziobudda.net/notizie/vmware-costa-troppo-e-se-usassimo-xen-su-sles</link>
 <description>Un interessante articolo che compara una grossa soluzione di
virtualizzazione per un datacenter in costruzione (roba da 1000
server...) realizzata con VMware e poi con Xen su SuSE Linux
Enterprise. Si parla di un risparmio di diversi milioni di dollari!</description>
 <comments>http://www.ziobudda.net/notizie/vmware-costa-troppo-e-se-usassimo-xen-su-sles#comments</comments>
 <category domain="http://www.ziobudda.net/categoria_notizia/articolien">Articoli EN</category>
 <category domain="http://www.ziobudda.net/tag_aggiuntivi/linux">linux</category>
 <category domain="http://www.ziobudda.net/tag_aggiuntivi/novell">Novell</category>
 <category domain="http://www.ziobudda.net/tags/sles">sles</category>
 <category domain="http://www.ziobudda.net/tag_aggiuntivi/suse">SUSE</category>
 <category domain="http://www.ziobudda.net/tag_aggiuntivi/virtualizzazione">virtualizzazione</category>
 <category domain="http://www.ziobudda.net/tag_aggiuntivi/vmware">vmware</category>
 <category domain="http://www.ziobudda.net/tag_aggiuntivi/windows">windows</category>
 <category domain="http://www.ziobudda.net/tags/xen">xen</category>
 <pubDate>Mon, 07 Apr 2008 09:08:49 +0200</pubDate>
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 <guid isPermaLink="false">58122 at http://www.ziobudda.net</guid>
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