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OpenNebula - The OpenSource Toolkit for Cloud Computing ## DESCRIPTION OpenNebula is an open-source project aimed at building the industry standard open source cloud computing tool to manage the complexity and heterogeneity of distributed data center infrastructures. Complete documentation can be found at http://opennebula.org/documentation:rel2.0 ## INSTALLATION ### REQUISITES This machine will act as the OpenNebula server and therefore needs to have installed the following software: * **ruby** >= 1.8.5 * **sqlite3** >= 3.5.2 * **xmlrpc-c** >= 1.06 * **openssl** >= 0.9 * **ssh** * **sqlite3-ruby** gem Additionally, to build OpenNebula from source you need: * Development versions of the **sqlite3**, **xmlrpc-c** and **openssl** packages, if your distribution does not install them with the libraries. * **scons** >= 0.97 * **g++** >= 4 * **flex** >= 2.5 (optional, only needed to rebuild the parsers) * **bison** >= 2.3 (optional, only needed to rebuild the parsers) * **libxml2-dev** ### OPTIONAL PACKAGES These packages are not needed to run or build OpenNebula. They improve the performance of the user-land libraries and tools of OpenNebula, nor the core system. You will probably experiment a more responsive CLI. First install rubygems and ruby development libraries * **ruby-dev** * **rubygems** * **rake** * **make** Then install the following packages: * **ruby xmlparser**, some distributions include a binary package for this (**libxml-parser-ruby1.8**). If it is not available in your distribution install expat libraries with its development files and install xmlparser using gem: $ sudo gem install xmlparser --no-ri --no-rdoc Note the extra parameters to gem install. Some versions of xmlparser have problems building the documentation and we can use it without documentation installed. * **ruby nokogiri**, to install this gem you will need **libxml2** and **libxslt** libraries and their development versions. The we can install nokogiri library: $ sudo gem install nokogiri --no-ri --no-rdoc ### BUILDING Compilation is done using **scons** command: $ scons [OPTION=VALUE] The argument expression *[OPTIONAL]* is used to set non-default values for: OPTION VALUE sqlite_db path-to-sqlite-install sqlite no if you don't want to build sqlite support mysql yes if you want to build mysql support xmlrpc path-to-xmlrpc-install parsers yes if you want to rebuild flex/bison files ### INSTALLATION * OpenNebula can be installed in two modes: system-wide, or in self-contained directory. In either case, you do not need to run OpenNebula as root. These options can be specified when running the install script: $ ./install.sh install_options where **install_options** can be one or more of: OPTION VALUE -u user that will run OpenNebula, defaults to user executing install.sh -g group of the user that will run OpenNebula, defaults to user executing install.sh -k keep current configuration files, useful when upgrading -d target installation directory. If defined, it will specified the path for the self-contained install. If not defined, the installation will be performed system wide -r remove Opennebula, only useful if -d was not specified, otherwise rm -rf $ONE_LOCATION would do the job -h prints installer help ## CONFIGURATION Information on how to configure OpenNebula is located at http://opennebula.org/documentation:rel2.0 ## CONTACT OpenNebula web page: http://opennebula.org Development and issue tracking: http://dev.opennebula.org Support mailing list: http://opennebula.org/support:support ## LICENSE Copyright 2002-2010, OpenNebula Project Leads (OpenNebula.org) Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.