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Wido den Hollander
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<?xml version='1.0' encoding='utf-8' ?>
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<!DOCTYPE section PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN" "http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd" [
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<!ENTITY % BOOK_ENTITIES SYSTEM "cloudstack.ent">
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%BOOK_ENTITIES;
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]>
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<!-- Licensed to the Apache Software Foundation (ASF) under one
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or more contributor license agreements. See the NOTICE file
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distributed with this work for additional information
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regarding copyright ownership. The ASF licenses this file
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to you under the Apache License, Version 2.0 (the
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"License"); you may not use this file except in compliance
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with the License. You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing,
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software distributed under the License is distributed on an
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"AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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KIND, either express or implied. See the License for the
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specific language governing permissions and limitations
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under the License.
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-->
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<section id="cloudstack_features">
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<title>What Can &PRODUCT; Do?</title>
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<para>
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<emphasis role="bold">Multiple Hypervisor Support</emphasis>
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</para>
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<para>
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&PRODUCT; works with a variety of hypervisors. A single cloud deployment can contain multiple hypervisor implementations. You have the complete freedom to choose the right hypervisor for your workload. &PRODUCT; is designed to work with open source Xen and KVM hypervisors as well as enterprise-grade hypervisors such as Citrix XenServer, VMware vSphere, and Oracle VM (OVM). You can also provision “bare metal” hosts with no hypervisor (Beta feature. Untested in &PRODUCT; 3.0.x0.)
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</para>
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<para>
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<emphasis role="bold">Massively Scalable Infrastructure Management</emphasis>
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</para>
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<para>
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&PRODUCT; can manage tens of thousands of servers installed in multiple geographically distributed datacenters. The centralized management server scales linearly, eliminating the need for intermediate cluster-level management servers. No single component failure can cause cloud-wide outage. Periodic maintenance of the management server can be performed without affecting the functioning of virtual machines running in the cloud.
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</para>
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<para>
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<emphasis role="bold">Automatic Configuration Management</emphasis>
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</para>
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<para>&PRODUCT; automatically configures each guest virtual machine’s networking and storage settings.
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</para>
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<para>&PRODUCT; internally manages a pool of virtual appliances to support the cloud itself. These appliances offer services such as firewalling, routing, DHCP, VPN access, console proxy, storage access, and storage replication. The extensive use of virtual appliances simplifies the installation, configuration, and ongoing management of a cloud deployment.
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</para>
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<para>
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<emphasis role="bold">Graphical User Interface</emphasis>
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</para>
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<para>&PRODUCT; offers an administrator's Web interface, used for provisioning and managing the cloud, as well as an end-user's Web interface, used for running VMs and managing VM templates. The UI can be customized to reflect the desired service provider or enterprise look and feel.
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</para>
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<para>
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<emphasis role="bold">API and Extensibility</emphasis>
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</para>
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<para>
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&PRODUCT; provides an API that gives programmatic access to all the management features available in the UI. The API is maintained and documented. This API enables the creation of command line tools and new user interfaces to suit particular needs. See the Developer’s Guide and API Reference, both available at http://docs.cloud.com/CloudStack_Documentation.
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</para>
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<para>
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The &PRODUCT; platform pluggable allocation architecture allows the creation of new types of allocators for the selection of storage and Hosts. See the Allocator Implementation Guide (http://docs.cloud.com/CloudStack_Documentation/Allocator_Implementation_Guide).
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</para>
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<para>
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<emphasis role="bold">High Availability</emphasis>
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</para>
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<para>The &PRODUCT; platform has a number of features to increase the availability of the system. The Management Server itself may be deployed in a multi-node installation where the servers are load balanced. MySQL may be configured to use replication to provide for a manual failover in the event of database loss. For the Hosts, the &PRODUCT; platform supports NIC bonding and the use of separate networks for storage as well as iSCSI Multipath.
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</para>
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</section>
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<?xml version='1.0' encoding='utf-8' ?>
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<!DOCTYPE section PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN" "http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd" [
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<!ENTITY % BOOK_ENTITIES SYSTEM "cloudstack.ent">
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%BOOK_ENTITIES;
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]>
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<!-- Licensed to the Apache Software Foundation (ASF) under one
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or more contributor license agreements. See the NOTICE file
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distributed with this work for additional information
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regarding copyright ownership. The ASF licenses this file
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to you under the Apache License, Version 2.0 (the
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"License"); you may not use this file except in compliance
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with the License. You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing,
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software distributed under the License is distributed on an
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"AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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KIND, either express or implied. See the License for the
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specific language governing permissions and limitations
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under the License.
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-->
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<section id="cloudstack_system_requirements">
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<title>Minimum System Requirements</title>
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<para>
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The machines that will run the Management Server and MySQL database must meet the following requirements. The same machines can also be used to provide primary and secondary storage, such as via localdisk or NFS. The Management Server may be placed on a virtual machine.
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</para>
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<itemizedlist>
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<listitem><para>Operating system:</para>
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<itemizedlist>
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<listitem><para>Commercial users: Preferred: RHEL 6.2+ 64-bit (https://access.redhat.com/downloads) or CentOS 6.2+ 64-bit (http://isoredirect.centos.org/centos/6/isos/x86_64/). Also supported (v3.0.3 and greater): RHEL and CentOS 5.4-5.x 64-bit</para></listitem>
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<listitem><para>Open-source community users: RHEL 5.4-5.x 64-bit or 6.2+ 64-bit; CentOS 5.4-5.x 64-bit or 6.2+ 64-bit; Ubuntu 10.04 LTS</para></listitem>
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</itemizedlist>
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</listitem>
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<listitem><para>64-bit x86 CPU (more cores results in better performance)</para></listitem>
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<listitem><para>4 GB of memory</para></listitem>
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<listitem><para>250 GB of local disk (more results in better capability; 500 GB recommended)</para></listitem>
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<listitem><para>At least 1 NIC</para></listitem>
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<listitem><para>Statically allocated IP address</para></listitem>
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<listitem><para>Fully qualified domain name as returned by the hostname command</para></listitem>
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</itemizedlist>
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<para>The host is where the cloud services run in the form of guest virtual machines. Each host is one machine that meets the following requirements:</para>
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<itemizedlist>
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<listitem><para>Must be 64-bit and must support HVM (Intel-VT or AMD-V enabled).</para></listitem>
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<listitem><para>64-bit x86 CPU (more cores results in better performance)</para></listitem>
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<listitem><para>Hardware virtualization support required</para></listitem>
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<listitem><para>4 GB of memory</para></listitem>
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<listitem><para>36 GB of local disk</para></listitem>
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<listitem><para>At least 1 NIC</para></listitem>
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<listitem><para>Statically allocated IP Address</para></listitem>
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<listitem><para>Latest hotfixes applied to hypervisor software</para></listitem>
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<listitem><para>When you deploy &PRODUCT;, the hypervisor host must not have any VMs already running</para></listitem>
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</itemizedlist>
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<para>Hosts have additional requirements depending on the hypervisor. See the requirements listed at the top of the Installation section for your chosen hypervisor:</para>
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<itemizedlist>
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<listitem><para>Citrix XenServer Installation for &PRODUCT;</para></listitem>
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<listitem><para>VMware vSphere Installation and Configuration</para></listitem>
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<listitem><para>KVM Installation and Configuration</para></listitem>
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<listitem><para>Oracle VM (OVM) Installation and Configuration</para></listitem>
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</itemizedlist>
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<warning>
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<para>
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Be sure you fulfill the additional hypervisor requirements and installation steps provided in this Guide. Hypervisor hosts must be properly prepared to work with &PRODUCT;. For example, the requirements for XenServer are listed under Citrix XenServer Installation for &PRODUCT;.
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</para>
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</warning>
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</section>
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<?xml version='1.0' encoding='utf-8' ?>
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<!DOCTYPE section PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN" "http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd" [
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<!ENTITY % BOOK_ENTITIES SYSTEM "cloudstack.ent">
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%BOOK_ENTITIES;
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]>
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<!-- Licensed to the Apache Software Foundation (ASF) under one
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or more contributor license agreements. See the NOTICE file
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distributed with this work for additional information
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regarding copyright ownership. The ASF licenses this file
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to you under the Apache License, Version 2.0 (the
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"License"); you may not use this file except in compliance
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with the License. You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing,
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software distributed under the License is distributed on an
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"AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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KIND, either express or implied. See the License for the
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specific language governing permissions and limitations
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under the License.
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-->
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<section id="cloudstack_whatis">
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<title>What Is &PRODUCT;?</title>
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<para>Who Should Read This</para>
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<para>If you are new to &PRODUCT; or you want to learn more about concepts before installing and running &PRODUCT;, read this overview. If you just want to get started, you can skip to Overview of Installation Steps.</para>
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<para>&PRODUCT; is an open source software platform that pools computing resources to build public, private, and hybrid Infrastructure as a Service (IaaS) clouds. &PRODUCT; manages the network, storage, and compute nodes that make up a cloud infrastructure. Use &PRODUCT; to deploy, manage, and configure cloud computing environments. Typical users are service providers and enterprises. With &PRODUCT;, you can:
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<itemizedlist>
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<listitem>
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<para>Set up an on-demand, elastic cloud computing service. Service providers can sell self service virtual machine instances, storage volumes, and networking configurations over the Internet.</para></listitem>
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<listitem>
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<para>Set up an on-premise private cloud for use by employees. Rather than managing virtual machines in the same way as physical machines, with &PRODUCT; an enterprise can offer self-service virtual machines to users without involving IT departments.
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</para></listitem>
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</itemizedlist>
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</para>
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</section>
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<?xml version='1.0' encoding='utf-8' ?>
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<!DOCTYPE chapter PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN" "http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd" [
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<!ENTITY % BOOK_ENTITIES SYSTEM "cloudstack.ent">
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%BOOK_ENTITIES;
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]>
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<!-- Licensed to the Apache Software Foundation (ASF) under one
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or more contributor license agreements. See the NOTICE file
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||||
distributed with this work for additional information
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regarding copyright ownership. The ASF licenses this file
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||||
to you under the Apache License, Version 2.0 (the
|
||||
"License"); you may not use this file except in compliance
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||||
with the License. You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing,
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software distributed under the License is distributed on an
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"AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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KIND, either express or implied. See the License for the
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specific language governing permissions and limitations
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under the License.
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||||
-->
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<chapter id="installation_overview">
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<title>Installation Overview</title>
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<xi:include href="cloudstack_whatis.xml" xmlns:xi="http://www.w3.org/2001/XInclude" />
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<xi:include href="cloudstack_features.xml" xmlns:xi="http://www.w3.org/2001/XInclude" />
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<xi:include href="deployment_architecture_overview.xml" xmlns:xi="http://www.w3.org/2001/XInclude" />
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<xi:include href="installation_steps_overview.xml" xmlns:xi="http://www.w3.org/2001/XInclude"/>
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<xi:include href="cloudstack_system_requirements.xml" xmlns:xi="http://www.w3.org/2001/XInclude"/>
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</chapter>
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