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<title>Install/Update</title>
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<H1 CLASS="Head">
Install/Update</H1>
<P CLASS="Intro"> The following preferences can be changed on the
<a class="command-link" href='javascript:executeCommand("org.eclipse.ui.window.preferences(preferencePageId=org.eclipse.update.internal.ui.preferences.MainPreferencePage)")'>
<img src="PLUGINS_ROOT/org.eclipse.help/command_link.png">
<strong>Install/Update</strong></a>
page:</p>
<TABLE BORDER="1" cellspacing="0">
<THEAD>
<TR>
<TH ROWSPAN="1" COLSPAN="1"> <P CLASS="Para"> Option</P></TH>
<TH ROWSPAN="1" COLSPAN="1"> <P CLASS="Para"> Description</P></TH>
<TH ROWSPAN="1" COLSPAN="1"> <P CLASS="Para"> Default</P></TH>
</TR>
</THEAD>
<TBODY>
<tr>
<TD ROWSPAN="1" COLSPAN="1" valign="top" align="left"> <P CLASS="Para">
Maximum number of 'History' configurations</P></TD>
<TD ROWSPAN="1" COLSPAN="1" valign="top" align="left"> <P CLASS="Para">
Maximum number of configurations you want maintained in the configuration
history. These configurations are maintained to allow you to revert
to a previous configuration of installed feature versions.</p></TD>
<TD ROWSPAN="1" COLSPAN="1" valign="top" align="left"> <P CLASS="Para">
100</P></TD>
</tr>
<TR>
<TD ROWSPAN="1" COLSPAN="1" valign="top" align="left"> <P CLASS="Para">
Check digital signatures of downloaded archives</P></TD>
<TD ROWSPAN="1" COLSPAN="1" valign="top" align="left"> <P CLASS="Para">
This option will check for digital signatures of downloaded archives.</p></TD>
<TD ROWSPAN="1" COLSPAN="1" valign="top" align="left"> <P CLASS="Para">
On</P></TD>
</TR>
<TR>
<TD ROWSPAN="1" COLSPAN="1" valign="top" align="left"> <P CLASS="Para">
Automatically select mirros</P></TD>
<TD ROWSPAN="1" COLSPAN="1" valign="top" align="left"> <P CLASS="Para">
This option will automatically select a mirror when updating.</p></TD>
<TD ROWSPAN="1" COLSPAN="1" valign="top" align="left"> <P CLASS="Para">
Off</P></TD>
</TR>
<TR>
<TD ROWSPAN="1" COLSPAN="1" valign="top" align="left"> <P CLASS="Para">
Valid updates</P></TD>
<TD ROWSPAN="1" COLSPAN="1" valign="top" align="left"> <P CLASS="Para">
Assuming that feature versions use the form 'major.minor.service', you
can select what update level you want to choose from:</P>
<dl>
<dt>equivalent</dt>
<dd>Only service updates will be displayed.</dd>
<dt>compatible</dt>
<dd>Service updates and minor updates will be displayed.</dd>
</dl><br></TD>
<TD ROWSPAN="1" COLSPAN="1" valign="top" align="left"> <P CLASS="Para">
equivalent </P></TD>
</TR>
<TR>
<TD ROWSPAN="1" COLSPAN="1" valign="top" align="left"> <P CLASS="Para">
Update Policy</P></TD>
<TD ROWSPAN="1" COLSPAN="1" valign="top" align="left"> <P CLASS="Para">
The update policy URL that controls the redirection of update sites
within an organization.</p></TD>
<TD ROWSPAN="1" COLSPAN="1" valign="top" align="left"> <P CLASS="Para">
No policy</P></TD>
</TR>
</TBODY>
</TABLE>
<p>Here is what the Install/Update preference page looks like:&nbsp;&nbsp; </p>
<P> </P><img src="../images/Image_pref_inup.png" alt="Install/Update Preference Page" border="0">
<p><img border="0" src="../images/ngrelt.png" alt="Related tasks" >
<br><a HREF="../tasks/tasks-36.htm">Updating Eclipse with the update manager</a>
</p>
<p><img border="0" src="../images/ngrelr.png" alt="Related reference" >
<br><a HREF="ref-net-preferences.htm">Network Connections</a>
<br><a HREF="ref-61.htm">Help Menu</a>
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