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92 lines
2.7 KiB
XML
92 lines
2.7 KiB
XML
<?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 "Release_Notes.ent">
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%BOOK_ENTITIES;
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]>
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<section id="hypervisor-host-install-prepare-os" lang="en-US">
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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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--> <title>Prepare the Operating System</title>
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<para>
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The OS of the Host must be prepared to host the &PRODUCT; Agent and run KVM instances.
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</para>
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<orderedlist>
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<listitem>
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<para>
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Log in to your OS as root.
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</para>
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</listitem>
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<listitem>
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<para>
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Check for a fully qualified hostname.
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</para>
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<programlisting language="Bash"><command>$ hostname --fqdn</command></programlisting>
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<para>
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This should return a fully qualified hostname such as "kvm1.lab.example.org". If it does not, edit /etc/hosts so that it does.
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</para>
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</listitem>
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<listitem>
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<para>
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Make sure that the machine can reach the Internet.
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</para>
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<programlisting language="Bash"><command>$ ping www.cloudstack.org</command></programlisting>
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</listitem>
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<listitem>
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<para>
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Turn on NTP for time synchronization.
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</para>
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<note>
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<para>
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NTP is required to synchronize the clocks of the servers in your cloud. Unsynchronized clocks can cause unexpected problems.
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</para>
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</note>
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<orderedlist numeration="loweralpha">
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<listitem>
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<para>
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Install NTP
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</para>
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<para condition="community">
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On RHEL or CentOS:
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</para>
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<programlisting language="Bash"><command>$ yum install ntp</command></programlisting>
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<para condition="community">
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On Ubuntu:
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</para>
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<programlisting language="Bash"><command>$ apt-get install openntpd</command></programlisting>
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</listitem>
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</orderedlist>
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</listitem>
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<listitem>
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<para>
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Repeat all of these steps on every hypervisor host.
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</para>
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</listitem>
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</orderedlist>
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</section>
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