221 lines
8.4 KiB
HTML
221 lines
8.4 KiB
HTML
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0//EN">
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<html>
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<head>
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<meta http-equiv="content-type" content="text/html; charset=iso-8859-1">
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<title>APT HOWTO (Obsolete Documentation) - How to deal with errors</title>
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<link href="index.en.html" rel="start">
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<link href="ch-sourcehandling.en.html" rel="prev">
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<link href="ch-distros.en.html" rel="next">
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<link href="index.en.html#contents" rel="contents">
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<link href="index.en.html#copyright" rel="copyright">
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<link href="ch1.en.html" rel="chapter" title="1 Introduction">
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<link href="ch-basico.en.html" rel="chapter" title="2 Basic Configuration">
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<link href="ch-apt-get.en.html" rel="chapter" title="3 Managing packages">
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<link href="ch-helpers.en.html" rel="chapter" title="4 Very useful helpers">
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<link href="ch-search.en.html" rel="chapter" title="5 Getting information about packages.">
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<link href="ch-sourcehandling.en.html" rel="chapter" title="6 Working with source packages">
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<link href="ch-erros.en.html" rel="chapter" title="7 How to deal with errors">
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<link href="ch-distros.en.html" rel="chapter" title="8 What distributions support APT?">
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<link href="ch-agradecimentos.en.html" rel="chapter" title="9 Credits">
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<link href="ch-novas.en.html" rel="chapter" title="10 New versions of this tutorial">
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<link href="ch-basico.en.html#s-sources.list" rel="section" title="2.1 The /etc/apt/sources.list file">
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<link href="ch-basico.en.html#s-dpkg-scanpackages" rel="section" title="2.2 How to use APT locally">
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<link href="ch-basico.en.html#s-netselect" rel="section" title="2.3 Deciding which mirror is the best to include in the sources.list file: netselect, netselect-apt">
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<link href="ch-basico.en.html#s-cdrom" rel="section" title="2.4 Adding a CD-ROM to the sources.list file">
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<link href="ch-apt-get.en.html#s-update" rel="section" title="3.1 Updating the list of available packages">
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<link href="ch-apt-get.en.html#s-install" rel="section" title="3.2 Installing packages">
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<link href="ch-apt-get.en.html#s-remove" rel="section" title="3.3 Removing packages">
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<link href="ch-apt-get.en.html#s-upgrade" rel="section" title="3.4 Upgrading packages">
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<link href="ch-apt-get.en.html#s-dist-upgrade" rel="section" title="3.5 Upgrading to a new release">
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<link href="ch-apt-get.en.html#s-clean" rel="section" title="3.6 Removing unused package files: apt-get clean and autoclean">
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<link href="ch-apt-get.en.html#s-dselect-upgrade" rel="section" title="3.7 Using APT with dselect">
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<link href="ch-apt-get.en.html#s-default-version" rel="section" title="3.8 How to keep a mixed system">
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<link href="ch-apt-get.en.html#s-apt-show-versions" rel="section" title="3.9 How to upgrade packages from specific versions of Debian">
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<link href="ch-apt-get.en.html#s-pin" rel="section" title="3.10 How to keep specific versions of packages installed (complex)">
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<link href="ch-helpers.en.html#s-equivs" rel="section" title="4.1 How to install locally compiled packages: equivs">
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<link href="ch-helpers.en.html#s-localepurge" rel="section" title="4.2 Removing unused locale files: localepurge">
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<link href="ch-helpers.en.html#s-helper-show-versions" rel="section" title="4.3 How to know what packages may be upgraded">
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<link href="ch-search.en.html#s-cache" rel="section" title="5.1 Discovering package names">
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<link href="ch-search.en.html#s-dpkg-search" rel="section" title="5.2 Using dpkg to find package names">
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<link href="ch-search.en.html#s-auto-apt" rel="section" title="5.3 How to install packages "on demand"">
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<link href="ch-search.en.html#s-apt-file" rel="section" title="5.4 How to discover to which package a file belongs">
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<link href="ch-search.en.html#s-apt-listchanges" rel="section" title="5.5 How to keep informed about the changes in the packages.">
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<link href="ch-sourcehandling.en.html#s-source" rel="section" title="6.1 Downloading source packages">
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<link href="ch-sourcehandling.en.html#s-build-dep" rel="section" title="6.2 Packages needed for compiling a source package">
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<link href="ch-erros.en.html#s-erros-comuns" rel="section" title="7.1 Common errors">
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<link href="ch-erros.en.html#s-help" rel="section" title="7.2 Where can I find help?">
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</head>
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<body>
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<p><a name="ch-erros"></a></p>
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<hr>
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<p>
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[ <a href="ch-sourcehandling.en.html">previous</a> ]
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[ <a href="index.en.html#contents">Contents</a> ]
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[ <a href="ch1.en.html">1</a> ]
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[ <a href="ch-basico.en.html">2</a> ]
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[ <a href="ch-apt-get.en.html">3</a> ]
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[ <a href="ch-helpers.en.html">4</a> ]
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[ <a href="ch-search.en.html">5</a> ]
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[ <a href="ch-sourcehandling.en.html">6</a> ]
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[ 7 ]
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[ <a href="ch-distros.en.html">8</a> ]
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[ <a href="ch-agradecimentos.en.html">9</a> ]
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[ <a href="ch-novas.en.html">10</a> ]
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[ <a href="ch-distros.en.html">next</a> ]
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</p>
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<hr>
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<h1>
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APT HOWTO (Obsolete Documentation)
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<br>Chapter 7 - How to deal with errors
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</h1>
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<hr>
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<h2><a name="s-erros-comuns"></a>7.1 Common errors</h2>
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<p>
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Errors will always happen, many of them caused by users not paying attention.
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The following is a list of some of the most frequently reported errors and how
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to deal with them.
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</p>
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<p>
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If you receive a message that looks like the one below when trying to run
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<samp>apt-get install package</samp>...
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</p>
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<pre>
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Reading Package Lists... Done
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Building Dependency Tree... Done
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W: Couldn't stat source package list 'http://people.debian.org unstable/ Packages' (/var/state/apt/lists/people.debian.org_%7ekov_debian_unstable_Packages) - stat (2 No such file or directory)
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W: You may want to run apt-get update to correct these missing files
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E: Couldn't find package penguineyes
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</pre>
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<p>
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you forgot to run <samp>apt-get update</samp> after your last change to the
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<samp>/etc/apt/sources.list</samp> file.
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</p>
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<p>
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If the error looked like:
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</p>
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<pre>
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E: Could not open lock file /var/lib/dpkg/lock - open (13 Permission denied)
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E: Unable to lock the administration directory (/var/lib/dpkg/), are you root?
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</pre>
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<p>
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when trying any <code>apt-get</code> method other than <samp>source</samp>, you
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don't have root permission, that is, you're running as a normal user.
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</p>
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<p>
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There's an error similar to the above which happens when you run two copies of
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<code>apt-get</code> at the same time, or even if you try to run
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<code>apt-get</code> while a <code>dpkg</code> process is active. The only
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method that can be used simultaneously with others is the <samp>source</samp>
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method.
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</p>
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<p>
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If an installation breaks in the middle of the process and you find that it's
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no longer possible to install or remove packages, try running these two
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commands:
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</p>
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<pre>
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# apt-get -f install
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# dpkg --configure -a
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</pre>
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<p>
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And then try again. It may be necessary to run the second of the above
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commands more than once. This is an important lesson for those adventurers who
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use `unstable'.
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</p>
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<p>
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If you receive the error "E: Dynamic MMap ran out of room" when
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running <samp>apt-get update</samp>, add the following line to
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<code>/etc/apt/apt.conf</code>:
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</p>
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<pre>
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APT::Cache-Limit 10000000;
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</pre>
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<hr>
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<h2><a name="s-help"></a>7.2 Where can I find help?</h2>
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<p>
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If you find yourself plagued by doubts, consult the extensive documentation
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available for the Debian packaging system. <samp>--help</samp>'s and manpages
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can be an enormous help to you, as can the documentation contained in the
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<samp>/usr/share/doc</samp> directories such as
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<samp>/usr/share/doc/apt</samp>.
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</p>
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<p>
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If this documentation fails to drive your fears away, try looking for the
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answer on the Debian mailing lists. You can find more information about
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specific user lists on the Debian website: <code><a
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href="http://www.debian.org">http://www.debian.org</a></code>.
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</p>
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<p>
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Remember that these lists and resources should be used only by Debian users;
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users of other systems will find better support from the community resources of
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their own distributions.
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</p>
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<hr>
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<p>
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[ <a href="ch-sourcehandling.en.html">previous</a> ]
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[ <a href="index.en.html#contents">Contents</a> ]
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[ <a href="ch1.en.html">1</a> ]
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[ <a href="ch-basico.en.html">2</a> ]
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[ <a href="ch-apt-get.en.html">3</a> ]
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[ <a href="ch-helpers.en.html">4</a> ]
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[ <a href="ch-search.en.html">5</a> ]
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[ <a href="ch-sourcehandling.en.html">6</a> ]
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[ 7 ]
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[ <a href="ch-distros.en.html">8</a> ]
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[ <a href="ch-agradecimentos.en.html">9</a> ]
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[ <a href="ch-novas.en.html">10</a> ]
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[ <a href="ch-distros.en.html">next</a> ]
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</p>
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<hr>
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<p>
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APT HOWTO (Obsolete Documentation)
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</p>
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<address>
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1.8.11 - August 2005<br>
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<br>
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Gustavo Noronha Silva <code><a href="mailto:kov@debian.org">kov@debian.org</a></code><br>
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<br>
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</address>
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<hr>
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</body>
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</html>
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