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			83 lines
		
	
	
		
			4.0 KiB
		
	
	
	
		
			XML
		
	
	
	
	
	
			
		
		
	
	
			83 lines
		
	
	
		
			4.0 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 "cloudstack.ent">
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| %BOOK_ENTITIES;
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| ]>
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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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|     
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|     http://www.apache.org/licenses/LICENSE-2.0
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|     
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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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| 
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| <section id="sect-source-verify">
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|     <title>Verifying the downloaded release</title>
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|     <para>
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|         There are a number of mechanisms to check the authenticity and validity of a 
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|         downloaded release. 
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|     </para>
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|     <section id="sect-source-verify-keys">
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|        <title>Getting the KEYS</title>
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|        <para>
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|           To enable you to verify the GPG signature, you will need to download the 
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|           <ulink url="http://www.apache.org/dist/dev/incubator/cloudstack/KEYS">KEYS</ulink>
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|           file.
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|        </para>
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|        <para>
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|           You next need to import those keys, which you can do by running the following command:
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|           <programlisting><prompt>#</prompt> <command>gpg</command> --import KEYS</programlisting>
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|        </para>
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|     </section>
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|     <section id="sect-source-verify-gpg">
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|         <title>GPG</title>
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|         <para>
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|            The &PRODUCT; project provides a detached GPG signature of the release.
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|            To check the signature, run the following command:
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|            <programlisting><prompt>$</prompt> <command>gpg</command> --verify apache-cloudstack-4.0.0-incubating-src.tar.bz2.asc</programlisting>
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|         </para>
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|         <para>
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|            If the signature is valid you will see a line of output that contains 'Good signature'.
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|         </para>  
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|     </section>
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|     <section id="sect-source-verify-md5">
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|         <title>MD5</title>
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|         <para>
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|             In addition to the cryptographic signature, &PRODUCT; has an MD5 checksum
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|             that you can use to verify the download matches the release. 
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|            You can verify this hash by executing the following command:
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|            <programlisting><prompt>$</prompt> <command>gpg</command> --print-md MD5 apache-cloudstack-4.0.0-incubating-src.tar.bz2 | <command>diff</command> - apache-cloudstack-4.0.0-incubating-src.tar.bz2.md5</programlisting>
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|          </para>
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|          <para>
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|              If this successfully completes you should see no output. If there is any output from them,
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|              then there is a difference between the hash you generated locally and the hash that has been
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|              pulled from the server.
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|          </para>
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|      </section>
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|      <section id="sect-source-verify-sha512">
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|         <title>SHA512</title>
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|         <para>
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|            In addition to the MD5 hash, the &PRODUCT; project provides a SHA512
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|            cryptographic hash to aid in assurance of the validity of the downloaded
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|            release. You can verify this hash by executing the following command:
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|            <programlisting><prompt>$</prompt> <command>gpg</command> --print-md SHA512 apache-cloudstack-4.0.0-incubating-src.tar.bz2 | <command>diff</command> - apache-cloudstack-4.0.0-incubating-src.tar.bz2.sha</programlisting>
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|         </para>
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|         <para>
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|            If this command successfully completes you should see no output. If there is any output from them,
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|            then there is a difference between the hash you generated locally and the hash that has been
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|            pulled from the server.
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|         </para>
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|      </section>
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| </section>
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