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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html xmlns="http://www.w3.org/1999/xhtml"><head><meta http-equiv="Content-Type" content="text/html; charset=utf-8" /><title>Updating the package list and installing packages</title><link rel="stylesheet" type="text/css" href="aptitude.css" /><meta name="generator" content="DocBook XSL Stylesheets V1.79.1" /><link rel="home" href="index.html" title="aptitude user's manual" /><link rel="up" href="ch01s01.html" title="Using aptitude" /><link rel="prev" href="ch01s01s04.html" title="Managing packages" /><link rel="next" href="ch01s02.html" title="Using aptitude from the command line" /><link rel="preface" href="pr01.html" title="Introduction" /><link rel="chapter" href="ch01.html" title="Chapter 1. Getting started" /><link rel="chapter" href="ch02.html" title="Chapter 2. aptitude reference guide" /><link rel="chapter" href="ch03.html" title="Chapter 3. aptitude frequently asked questions" /><link rel="chapter" href="ch04.html" title="Chapter 4. Credits" /><link rel="reference" href="rn01.html" title="Command-line reference" /><link rel="refentry" href="rn01re01.html" title="aptitude" /><link rel="refentry" href="rn01re02.html" title="aptitude-create-state-bundle" /><link rel="refentry" href="rn01re03.html" title="aptitude-run-state-bundle" /></head><body><div class="navheader"><table width="100%" summary="Navigation header"><tr><th colspan="3" align="center">Updating the package list and installing packages</th></tr><tr><td width="20%" align="left"><a accesskey="p" href="ch01s01s04.html"><img src="images/prev.gif" alt="Prev" /></a> </td><th width="60%" align="center">Using <span class="command"><strong>aptitude</strong></span></th><td width="20%" align="right"> <a accesskey="n" href="ch01s02.html"><img src="images/next.gif" alt="Next" /></a></td></tr></table><hr /></div><div class="section"><div class="titlepage"><div><div><h3 class="title"><a id="idm578"></a>Updating the package list and installing packages</h3></div></div></div><p>
At this point, you know enough about <span class="command"><strong>aptitude</strong></span> to actually
make modifications to your system.
</p><p>
You should periodically update your list of available
packages from the Debian servers, to keep track of new
packages and new versions of packages. To do this, press
<span class="keycap"><strong>u</strong></span>. At any time during the download, you
can press <span class="keycap"><strong>q</strong></span> to abort it.
</p><p>
Once you have fresh lists of packages, you can choose the
packages to upgrade, install, or remove as described in the
previous section. To review the actions you have requested,
press <span class="keycap"><strong>g</strong></span> once. When installing the
<code class="systemitem">kaffeine-mozilla</code> package (from the
previous example), the following screen appears:
</p><div class="screenshot"><div class="mediaobject"><table border="0" summary="manufactured viewport for HTML img" style="cellpadding: 0; cellspacing: 0;" width="100%"><tr><td><img src="images/preview-snapshot.png" width="100%" alt="[preview actions, installing kaffeine-mozilla]" /></td></tr></table><div class="longdesc-link" align="right"><br clear="all" /><span class="longdesc-link">[<a href="ld-idm589.html" target="longdesc">D</a>]</span></div></div></div><p>
As you can see, <span class="command"><strong>aptitude</strong></span> automatically decided to install
<code class="systemitem">kaffeine</code> for me because
<code class="systemitem">kaffeine-mozilla</code> requires it. At
this point, I have the choice of either continuing with the
installation by pressing <span class="keycap"><strong>g</strong></span>, or aborting it
by pressing <span class="keycap"><strong>q</strong></span>.
</p></div><div class="navfooter"><hr /><table width="100%" summary="Navigation footer"><tr><td width="40%" align="left"><a accesskey="p" href="ch01s01s04.html"><img src="images/prev.gif" alt="Prev" /></a> </td><td width="20%" align="center"><a accesskey="u" href="ch01s01.html"><img src="images/up.gif" alt="Up" /></a></td><td width="40%" align="right"> <a accesskey="n" href="ch01s02.html"><img src="images/next.gif" alt="Next" /></a></td></tr><tr><td width="40%" align="left" valign="top">Managing packages </td><td width="20%" align="center"><a accesskey="h" href="index.html"><img src="images/home.gif" alt="Home" /></a></td><td width="40%" align="right" valign="top"> Using <span class="command"><strong>aptitude</strong></span> from the command line</td></tr></table></div></body></html>
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