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>12. Installing DB2 Express-C on SUSE Linux Enterprise Server (SLES) 10</H1
><P
>Before proceeding, please ensure that you have read <A
HREF="planning.html"
>Section 5</A
> and <A
HREF="installing.html"
>Section 6</A
>.</P
><P
>These installation notes are based on a single-partition installation
using the 2.6.16.21-0.8-default kernel. Novell AppArmor security was installed
and enabled during the installation and testing.</P
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>12.1. Installation notes</H2
><P
>The installation on SLES 10 completed successfully,
with no problems getting the GUI installer working, and no errors
during the install. This smooth installation isn't surprising, given that
SLES 10 is an officially supported platform for DB2.</P
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>12.2. Post-installation notes</H2
><P
>Basic test results (see <A
HREF="tests.html"
>Section 21</A
> for more details) were
successful.</P
><P
>However, I found that after a reboot, the DB2 instance was not being
restarted automatically, so clients could not connect to the database. To
correct this problem, execute this command as the instance owner:
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>
This will ensure that the DB2 instance is initialized and ready to receive
incoming connections after a reboot (intentional or otherwise).</P
><P
>Also, to allow DB2 access through the firewall (which
is enabled by default), it was necessary to add the port values to the
firewall using the YaST2 utility.</P
><P
>You can use the <B
CLASS="command"
>db2 get dbm cfg | grep SVCENAME</B
>
command to retrieve the DB2 instance service name. By default, this is set
as a TCP connection at port 50001. Note that you will need to add another new
TCP rule to allow firewall access if you create any additional instances
later. If you want to remotely administer the DB2 installation on this
system, the UDP and TCP connections at port 523 should also be allowed
through the firewall.</P
><P
>To open these ports using YaST, open the YaST tool, and select
"<B
CLASS="command"
>Security and Users</B
>, then select the
"<B
CLASS="command"
>Firewall</B
>" icon. In the <B
CLASS="command"
>Allowed
Services</B
> setup panel, click on the
"<B
CLASS="command"
>Advanced</B
>" button. In the TCP ports dialog, add
<B
CLASS="command"
>523 50001</B
>, and in the UDP ports dialog, add
<B
CLASS="command"
>523</B
>. Click "<B
CLASS="command"
>Next</B
>" until the setup
wizard completes and restarts the firewall. Remote connections will now pass
through to the DB2 instance.
</P
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