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type="topic" style="task"
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<link type="guide" xref="addremove"/>
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<link type="guide" xref="shell-overview#addremove"/>
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<link type="seealso" xref="addremove-sources"/>
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<revision version="11.04" date="2011-04-21" status="final"/>
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<revision version="12.04" date="2012-03-22" status="review"/>
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<credit type="author">
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<name>Ubuntu Documentation Team</name>
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<title>Add a Personal Package Archive (PPA)</title>
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<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>
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<note style="warning"><p>Only add software repositories from sources that you trust. Third-party software repositories are not checked for security by Ubuntu members, and may contain software which is harmful to your computer.</p></note>
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<title>Install a PPA</title>
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<item><p>On the PPA's overview page, look for the heading that reads <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-stable</code>.</p></item>
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<item><p>Click on the <app>Ubuntu Software Center</app> icon in the Launcher, or search for Software
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Center in the search bar of the <app>Dash</app>.</p></item>
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<item><p>When the Software Center launches, click <guiseq><gui>Edit></gui><gui>Software Sources</gui></guiseq></p></item>
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<item><p>You will be asked to enter your password. Once you have done that, switch to the <gui>Other Software</gui> tab.</p></item>
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<item><p>Click <gui>Add</gui> and enter the <code>ppa:</code> location.</p></item>
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<item><p>Click <gui>Add Source</gui> then close the Software Sources window. Ubuntu Software Center will then check your software sources for new updates.</p></item>
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<p><em>Personal Package Archives (PPAs)</em> are software repositories designed
20
for Ubuntu users and are easier to install than other third-party repositories.</p>
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<note style="warning"><p>Only add software repositories from sources that you trust!</p>
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<p>Third-party software repositories are not checked for security or reliability by Ubuntu
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members, and may contain software which is harmful to your computer.</p></note>
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<title>Install a PPA</title>
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<item><p>On the PPA's overview page, look for the heading <gui>Adding this PPA to your system</gui>.
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Make a note of the PPA's location, which should look similar to: <code>ppa:mozillateam/firefox-next</code>.</p></item>
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<item><p>Click the <app>Ubuntu Software Center</app> icon in the <gui>launcher</gui>,
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or search for <input>Software Center</input> in the <gui>dash</gui>.</p></item>
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<item><p>When the Software Center launches, click <guiseq><gui>Edit></gui><gui>Software Sources</gui></guiseq></p></item>
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<item><p>Switch to the <gui>Other Software</gui> tab.</p></item>
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<item><p>Click <gui>Add</gui> and enter the <code>ppa:</code> location.</p></item>
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<item><p>Click <gui>Add Source</gui>. Enter your password in the Authenticate window.</p></item>
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<item><p>Close the Software Sources window. Ubuntu Software Center will then check
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your software sources for new software.</p></item>