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webapps/docs/host-manager-howto.xml
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webapps/docs/host-manager-howto.xml
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<?xml version="1.0" encoding="UTF-8"?>
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<!--
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Licensed to the Apache Software Foundation (ASF) under one or more
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contributor license agreements. See the NOTICE file distributed with
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this work for additional information regarding copyright ownership.
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The ASF licenses this file to You under the Apache License, Version 2.0
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(the "License"); you may not use this file except in compliance with
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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, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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-->
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<!DOCTYPE document [
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<!ENTITY project SYSTEM "project.xml">
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]>
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<document url="host-manager-howto.html">
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&project;
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<properties>
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<title>Host Manager App -- Text Interface</title>
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</properties>
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<body>
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<section name="Table of Contents">
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<toc/>
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</section>
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<section name="Introduction">
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<p>
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The <strong>Tomcat Host Manager</strong> application enables you to create,
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delete, and otherwise manage virtual hosts within Tomcat. This how-to guide
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is best accompanied by the following pieces of documentation:
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</p>
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<ul>
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<li>
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<a href="virtual-hosting-howto.html">Virtual Hosting How-To</a> for more
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information about virtual hosting.
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</li>
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<li>
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<a href="config/host.html">The Host Container</a> for more information
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about the underlying xml configuration of virtual hosts and description
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of attributes.
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</li>
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</ul>
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<p>
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The <strong>Tomcat Host Manager</strong> application is a part of
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Tomcat installation, by default available using the following
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context: <code>/host-manager</code>. You can use the host manager in the
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following ways:
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</p>
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<ul>
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<li>
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Utilizing the graphical user interface, accessible at:
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<code>{server}:{port}/host-manager/html</code>.
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</li>
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<li>
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Utilizing a set of minimal HTTP requests suitable for scripting.
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You can access this mode at:
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<code>{server}:{port}/host-manager/text</code>.
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</li>
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</ul>
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<p>
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Both ways enable you to add, remove, start, and stop virtual hosts. Changes
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may be presisted by using the <code>persist</code> command. This document
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focuses on the text interface. For further information about the graphical
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interface, see
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<a href="html-host-manager-howto.html">Host Manager App -- HTML Interface</a>.
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</p>
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</section>
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<section name="Configuring Manager Application Access">
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<p><em>The description below uses <code>$CATALINA_HOME</code> to refer the
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base Tomcat directory. It is the directory in which you installed
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Tomcat, for example <code>C:\tomcat8</code>, or
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<code>/usr/share/tomcat8</code>.</em></p>
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<p>
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The Host Manager application requires a user with one of the following
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roles:
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</p>
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<ul>
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<li>
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<code>admin-gui</code> - use this role for the graphical web interface.
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</li>
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<li>
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<code>admin-script</code> - use this role for the scripting web interface.
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</li>
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</ul>
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<p>
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To enable access to the text interface of the Host Manager application,
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either grant your Tomcat user the appropriate role, or create a new one with
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the correct role. For example, open
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<code>${CATALINA_BASE}/conf/tomcat-users.xml</code> and enter the following:
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</p>
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<source><![CDATA[<user username="test" password="chang3m3N#w" roles="admin-script"/>]]></source>
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<p>
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No further settings is needed. When you now access
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<code>{server}:{port}/host-manager/text/${COMMAND}</code>,you are able to
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log in with the created credentials. For example:
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<source>$ curl -u ${USERNAME}:${PASSWORD} http://localhost:8080/host-manager/text/list
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OK - Listed hosts
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localhost:</source>
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</p>
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<p>
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Note that in case you retrieve your users using the
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<code>DataSourceRealm</code>, <code>JDBCRealm</code>, or
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<code>JNDIRealm</code> mechanism, add the appropriate role in the database
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or the directory server respectively.
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</p>
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</section>
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<section name="List of Commands">
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<p>The following commands are supported:</p>
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<ul>
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<li>list</li>
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<li>add</li>
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<li>remove</li>
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<li>start</li>
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<li>stop</li>
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<li>persist</li>
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</ul>
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<p>
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In the following subsections, the username and password is assumed to be
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<b>test:test</b>. For your environment, use credentials created in the
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previous sections.
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</p>
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<subsection name="List command">
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<p>
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Use the <b>list</b> command to see the available virtual hosts on your
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Tomcat instance.
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</p>
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<p><i>Example command</i>:</p>
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<code>curl -u test:test http://localhost:8080/host-manager/text/list</code>
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<p><i>Example response</i>:</p>
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<source>OK - Listed hosts
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localhost:</source>
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</subsection>
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<subsection name="Add command">
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<p>
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Use the <b>add</b> command to add a new virtual host. Parameters used
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for the <b>add</b> command:
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</p>
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<ul>
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<li>String <b>name</b>: Name of the virtual host. <b>REQUIRED</b></li>
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<li>String <b>aliases</b>: Aliases for your virtual host.</li>
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<li>String <b>appBase</b>: Base path for the application that will be
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served by this virtual host. Provide relative or absolute path.</li>
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<li>Boolean <b>manager</b>: If true, the Manager app is added to the
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virtual host. You can access it with the <i>/manager</i> context.</li>
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<li>Boolean <b>autoDeploy</b>: If true, Tomcat automatically redeploys
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applications placed in the appBase directory.</li>
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<li>Boolean <b>deployOnStartup</b>: If true, Tomcat automatically deploys
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applications placed in the appBase directory on startup.</li>
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<li>Boolean <b>deployXML</b>: If true, the <i>/META-INF/context.xml</i>
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file is read and used by Tomcat.</li>
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<li>Boolean <b>copyXML</b>: If true, Tomcat copies <i>/META-INF/context.xml</i>
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file and uses the original copy regardless of updates to the application's
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<i>/META-INF/context.xml</i> file.</li>
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</ul>
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<p><i>Example command</i>:</p>
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<source><![CDATA[curl -u test:test http://localhost:8080/host-manager/text/add?name=www.awesomeserver.com&aliases=awesomeserver.com&appBase/mnt/appDir&deployOnStartup=true]]></source>
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<p><i>Example response</i>:</p>
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<source>add: Adding host [www.awesomeserver.com]</source>
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</subsection>
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<subsection name="Remove command">
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<p>
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Use the <b>remove</b> command to remove a virtual host. Parameters used
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for the <b>remove</b> command:
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</p>
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<ul>
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<li>String <b>name</b>: Name of the virtual host to be removed.
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<b>REQUIRED</b></li>
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</ul>
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<p><i>Example command</i>:</p>
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<source><![CDATA[curl -u test:test http://localhost:8080/host-manager/text/remove?name=www.awesomeserver.com]]></source>
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<p><i>Example response</i>:</p>
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<source>remove: Removing host [www.awesomeserver.com]</source>
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</subsection>
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<subsection name="Start command">
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<p>
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Use the <b>start</b> command to start a virtual host. Parameters used
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for the <b>start</b> command:
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</p>
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<ul>
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<li>String <b>name</b>: Name of the virtual host to be started.
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<b>REQUIRED</b></li>
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</ul>
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<p><i>Example command</i>:</p>
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<source><![CDATA[curl -u test:test http://localhost:8080/host-manager/text/start?name=www.awesomeserver.com]]></source>
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<p><i>Example response</i>:</p>
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<source>OK - Host www.awesomeserver.com started</source>
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</subsection>
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<subsection name="Stop command">
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<p>
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Use the <b>stop</b> command to stop a virtual host. Parameters used
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for the <b>stop</b> command:
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</p>
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<ul>
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<li>String <b>name</b>: Name of the virtual host to be stopped.
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<b>REQUIRED</b></li>
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</ul>
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<p><i>Example command</i>:</p>
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<source><![CDATA[curl -u test:test http://localhost:8080/host-manager/text/stop?name=www.awesomeserver.com]]></source>
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<p><i>Example response</i>:</p>
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<source>OK - Host www.awesomeserver.com stopped</source>
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</subsection>
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<subsection name="Persist command">
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<p>
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Use the <b>persist</b> command to persist a virtual host into
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<b>server.xml</b>. Parameters used for the <b>persist</b> command:
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</p>
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<ul>
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<li>String <b>name</b>: Name of the virtual host to be persist.
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<b>REQUIRED</b></li>
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</ul>
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<p>
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This functionality is disabled by default. To enable this option, you must
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configure the <code>StoreConfigLifecycleListener</code> listener first.
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To do so, add the following listener to your <i>server.xml</i>:
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</p>
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<source><![CDATA[<Listener className="org.apache.catalina.storeconfig.StoreConfigLifecycleListener"/>]]></source>
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<p><i>Example command</i>:</p>
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<source><![CDATA[curl -u test:test http://localhost:8080/host-manager/text/persist?name=www.awesomeserver.com]]></source>
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<p><i>Example response</i>:</p>
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<source>OK - Configuration persisted</source>
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<p><i>Example manual entry</i>:</p>
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<source><![CDATA[<Host appBase="www.awesomeserver.com" name="www.awesomeserver.com" deployXML="false" unpackWARs="false">
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</Host>]]></source>
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</subsection>
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</section>
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</body>
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</document>
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