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<page xmlns="http://projectmallard.org/1.0/"
type="topic" style="task"
id="addremove-ppa">
<info>
<link type="guide" xref="shell-overview#addremove"/>
<link type="seealso" xref="addremove-sources"/>
<revision version="12.10" date="2012-09-20" status="final"/>
<credit type="author">
<name>Ubuntu Documentation Team</name>
</credit>
<desc>Add PPAs to help test pre-release or specialty software.</desc>
<include href="legal.xml" xmlns="http://www.w3.org/2001/XInclude"/>
</info>
<title>Add a Personal Package Archive (PPA)</title>
<p><em>Personal Package Archives (PPAs)</em> are software repositories designed
for Ubuntu users and are easier to install than other third-party repositories.</p>
<note style="warning"><p>Only add software repositories from sources that you trust!</p>
<p>Third-party software repositories are not checked for security or reliability by Ubuntu
members, and may contain software which is harmful to your computer.</p></note>
<steps>
<title>Install a PPA</title>
<item><p>On the PPA's overview page, look for the heading <gui>Adding this PPA to your system</gui>.
Make a note of the PPA's location, which should look similar to: <code>ppa:mozillateam/firefox-next</code>.</p></item>
<item><p>Click the <app>Ubuntu Software Center</app> icon in the <gui>Launcher</gui>,
or search for <input>Software Center</input> in the <gui>Dash</gui>.</p></item>
<item><p>When the Software Center launches, click <guiseq><gui>Edit</gui><gui>Software Sources</gui></guiseq></p></item>
<item><p>Switch to the <gui>Other Software</gui> tab.</p></item>
<item><p>Click <gui>Add</gui> and enter the <code>ppa:</code> location.</p></item>
<item><p>Click <gui>Add Source</gui>. Enter your password in the Authenticate window.</p></item>
<item><p>Close the Software Sources window. Ubuntu Software Center will then check
your software sources for new software.</p></item>
</steps>
</page>
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