mirror of https://github.com/tLDP/LDP
Add autorestart for Ubuntu 7.04
This commit is contained in:
ihakes
parent
afb4e0f776
commit
65083ac18c
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@ -25,6 +25,13 @@
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<revremark>Complete revision of document to cover DB2 Express-C 9 and new
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Linux distrubution levels</revremark>
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</revision>
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<revision>
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<revnumber>2.0.1</revnumber>
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<date>2007-08-22</date>
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<authorinitials>idmh</authorinitials>
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<revremark>Minor update to include instance restart instructions for
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Ubuntu 7.04</revremark>
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</revision>
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</revhistory>
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<abstract>
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<para>This HOWTO is intended for anyone interested in installing and
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@ -1641,21 +1648,34 @@ libstdc++6-4.1.1-3mdk</screen>
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use the Synaptic package installer, and almost everything is done for you,
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from downloading to installation and configuration. Here's how to do it:
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<orderedlist>
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<listitem>Under the <command>Applications</command> menu on the Ubuntu
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menu bar, choose <command>Add/Remove</command>.</listitem>
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<listitem>Once the Synaptic package manager application has started up,
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click the <command>Show commercial applications</command> checkbox.
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<listitem>
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<para>Under the <command>Applications</command> menu on the Ubuntu
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menu bar, choose <command>Add/Remove</command>.
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</para>
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</listitem>
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<listitem>In the <command>Search</command> bar, type "DB2" and hit the Enter key.
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<listitem>
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<para>Once the Synaptic package manager application has started up,
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click the <command>Show commercial applications</command> checkbox.</para>
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</listitem>
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<listitem>DB2 Express should show up as the only result. If you don't see
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it, make sure that Synaptic is displaying <command>All
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Applications</command> or <command>Third party applications</command>.
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<listitem>
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<para>In the <command>Search</command> bar, type "DB2" and hit the Enter
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key.</para>
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</listitem>
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<listitem>Enable the <command>dapper-commercial</command> channel if
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requested by clicking the "<command>Enable channel</command>" button.
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<listitem>
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<para>DB2 Express should show up as the only result. If you don't see
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it, make sure that Synaptic is displaying <command>All
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Applications</command> or <command>Third party applications</command>.
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</para>
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</listitem>
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<listitem>
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<para>Enable the <command>dapper-commercial</command> channel if
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requested by clicking the "<command>Enable channel</command>" button.
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</para>
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</listitem>
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<listitem>
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<para>Click "<command>Apply</command>".
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</para>
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</listitem>
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<listitem>Click "<command>Apply</command>".</listitem>
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</orderedlist>
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After hitting the "<command>Apply</command>" button, Synaptic will
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download the DB2 Express-C package, along with a few dependent libraries,
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@ -1669,23 +1689,24 @@ libstdc++6-4.1.1-3mdk</screen>
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<para>After installation by Synaptic, there are a few steps required to get
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DB2 up and running smoothly.
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<orderedlist>
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<listitem>Usable passwords for the DB2 default accounts. To actually log
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in or connect to the DB2 databases and servers using the default DB2 users
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(db2inst1, db2fenc1, and dasusr1), you need to modify the initial
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passwords. To do this, open a terminal (as the regular user), and type
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<command>sudo su -</command> to get root access. Then run these three
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commands:
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<listitem>
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<para>Usable passwords for the DB2 default accounts.</para>
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<para>To actually log in or connect to the DB2 databases and servers using
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the default DB2 users (db2inst1, db2fenc1, and dasusr1), you need to
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modify the initial passwords. To do this, open a terminal (as the regular
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user), and type <command>sudo su -</command> to get root access. Then run
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these three commands:
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<screen>passwd db2inst1
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passwd db2fenc1
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passwd dasusr1</screen>
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Each time you will be asked to set the new password for the specified user
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account.</listitem>
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<listitem>Change the default shell for the DB2 default accounts. The
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default command shell for the DB2 accounts is set as just a plain old
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<command>/bin/sh</command>. To get the handy features of the BASH shell,
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you'll want to change it for these three accounts. In the same root access
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command window, open the <filename>/etc/passwd</filename> file in your
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favorite text editor and change:
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account.</para></listitem>
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<listitem><para>Change the default shell for the DB2 default accounts.</para>
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<para>The default command shell for the DB2 accounts is set as just a
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plain old <command>/bin/sh</command>. To get the handy features of the
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BASH shell, you'll want to change it for these three accounts. In the same
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root access command window, open the <filename>/etc/passwd</filename> file
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in your favorite text editor and change:
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<screen>
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db2inst1:x:1001:1001::/home/db2inst1:/bin/sh
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db2fenc1:x:1002:1002::/home/db2fenc1:/bin/sh
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@ -1695,12 +1716,14 @@ dasusr1:x:1003:1003::/home/dasusr1:/bin/sh</screen>
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db2inst1:x:1001:1001::/home/db2inst1:/bin/bash
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db2fenc1:x:1002:1002::/home/db2fenc1:/bin/bash
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dasusr1:x:1003:1003::/home/dasusr1:/bin/bash</screen>
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</listitem>
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<listitem>Enable DB2 service ports for remote connections. To enable
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outside users to get to your DB2 databases, you'll need to set up the DB2
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service port, as it is not configured by the Synaptic installation process.
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As the regular user, run <command>sudo vi /etc/services</command> and add
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this line to the end of the file and save the changes:
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</para></listitem>
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<listitem>
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<para>Enable DB2 service ports for remote connections.</para>
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<para>To enable outside users to get to your DB2 databases, you'll need
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to set up the DB2 service port, as it is not configured by the Synaptic
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installation process.</para>
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<para>As the regular user, run <command>sudo vi /etc/services</command>
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and add this line to the end of the file and save the changes:
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<screen>db2c_db2inst1 50001/tcp # IBM DB2 instance - db2inst1</screen>
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Then, as the DB2 instance owner (db2inst1 by default), run these commands:
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<screen>db2 update dbm cfg using SVCENAME db2c_db2inst1
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@ -1709,20 +1732,23 @@ db2stop
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db2start</screen>
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Now remote users will be able to connect to the DB2 databases on your
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Ubuntu system.
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</listitem>
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<listitem>Enable remote DB2 administration connections. To allow remote
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administration of your DB2 server, you'll need to set up the DB2 DAS
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connection port, as it is not configured by the Synaptic installation
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process.
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As the regular user, run <command>sudo vi /etc/services</command> and add
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this line to the end of the file:
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</para></listitem>
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<listitem>
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<para>Enable remote DB2 administration connections.</para>
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<para>To allow remote administration of your DB2 server, you'll need to
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set up the DB2 DAS connection port, as it is not configured by the
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Synaptic installation process.
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</para>
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<para>As the regular user, run <command>sudo vi /etc/services</command>
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and add this line to the end of the file:
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<screen>ibm-db2 523/tcp # IBM DB2 DAS
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ibm-db2 523/udp # IBM DB2 DAS</screen>
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Then, as the DB2 DAS owner (dasusr1 by default), run these commands:
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Then, as the DB2 DAS owner (dasusr1 by default), run these commands:
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<screen>db2admin stop
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db2admin start</screen>
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Now remote administrators can connect to the DAS server to administer
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Now remote administrators can connect to the DAS server to administer
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databases on your Ubuntu system.
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</para>
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</listitem>
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</orderedlist>
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</para>
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@ -1757,17 +1783,28 @@ db2admin start</screen>
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installer. This way, almost everything is done for you, from installation to
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configuration. Here's how to do it:
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<orderedlist>
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<listitem>Use any FTP client software and connect to:
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<listitem>
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<para>Use any FTP client software and connect to:
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<ulink>ftp.software.ibm.com/software/data/db2/express/latest_debs</ulink>
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</para>
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</listitem>
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<listitem>Download <filename>db2exc_9.1.2-1_i386.deb</filename> (or the
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latest equivalent .deb file)</listitem>
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<listitem>Once the download is complete, run this command:
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<screen>sudo gdebi-gtk db2exc_9.1.2-1_i386.deb</screen>
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<listitem>
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<para>Download <filename>db2exc_9.1.2-1_i386.deb</filename> (or the
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latest equivalent .deb file)
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</para>
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</listitem>
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<listitem>
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<para>Once the download is complete, run this command:
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<screen>sudo gdebi-gtk db2exc_9.1.2-1_i386.deb</screen>
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</para>
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</listitem>
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<listitem>
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<para>Click "<command>Install Package</command>"</para>
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</listitem>
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<listitem>
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<para>Click "<command>Close</command>" once the package has been
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installed</para>
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</listitem>
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<listitem>Click "<command>Install Package</command>"</listitem>
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<listitem>Click "<command>Close</command>" once the package has been
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installed</listitem>
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</orderedlist>
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After hitting the "<command>Install Package</command>" button, the Ubuntu
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package installer will unpack and install the package and configure the DB2
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@ -1781,67 +1818,133 @@ db2admin start</screen>
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<para>After installation by Synaptic, there are a few steps required to get
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DB2 up and running smoothly.
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<orderedlist>
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<listitem>Usable passwords for the DB2 default accounts. To actually log
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in or connect to the DB2 databases and servers using the default DB2 users
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(db2inst1, db2fenc1, and dasusr1), you need to modify the initial
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passwords. To do this, open a terminal (as the regular user), and type
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<command>sudo su -</command> to get root access. Then run these three
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commands:
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<listitem>
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<para>Usable passwords for the DB2 default accounts.</para>
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<para>To actually log in or connect to the DB2 databases and servers
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using the default DB2 users (db2inst1, db2fenc1, and dasusr1), you need
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to modify the initial passwords. To do this, open a terminal (as the
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regular user), and type <command>sudo su -</command> to get root access.
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Then run these three commands:
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<screen>passwd db2inst1
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passwd db2fenc1
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passwd dasusr1</screen>
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Each time you will be asked to set the new password for the specified user
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account.</listitem>
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<listitem>Change the default shell for the DB2 default accounts. The
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default command shell for the DB2 accounts is set as just a plain old
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<command>/bin/sh</command>. To get the handy features of the BASH shell,
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you'll want to change it for these three accounts. In the same root access
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command window, open the <filename>/etc/passwd</filename> file in your
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favorite text editor and change:
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Each time you will be asked to set the new password for the specified
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user account.
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</para>
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</listitem>
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<listitem>
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<para>Change the default shell for the DB2 default accounts.</para>
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<para>The default command shell for the DB2 accounts is set as just a
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plain old <command>/bin/sh</command>. To get the handy features of the
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BASH shell, you'll want to change it for these three accounts. In the
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same root access command window, open the
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<filename>/etc/passwd</filename> file in your favorite text editor and
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change:
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<screen>
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db2inst1:x:1001:1001::/home/db2inst1:/bin/sh
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db2fenc1:x:1002:1002::/home/db2fenc1:/bin/sh
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dasusr1:x:1003:1003::/home/dasusr1:/bin/sh</screen>
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to
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to
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<screen>
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db2inst1:x:1001:1001::/home/db2inst1:/bin/bash
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db2fenc1:x:1002:1002::/home/db2fenc1:/bin/bash
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dasusr1:x:1003:1003::/home/dasusr1:/bin/bash</screen>
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</para>
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</listitem>
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<listitem>Enable DB2 service ports for remote connections. To enable
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outside users to get to your DB2 databases, you'll need to set up the DB2
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service port, as it is not configured by the Synaptic installation process.
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As the regular user, run <command>sudo vi /etc/services</command> and add
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this line to the end of the file:
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<screen>db2c_db2inst1 50001/tcp # IBM DB2 instance - db2inst1</screen>
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Then, as the DB2 instance owner (db2inst1 by default), run these commands:
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<screen>db2 update dbm cfg using SVCENAME db2c_db2inst1
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<listitem>
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<para>Enable DB2 service ports for remote connections.</para>
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<para>To enable outside users to get to your DB2 databases, you'll need
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to set up the DB2 service port, as it is not configured by the Synaptic
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installation process.</para>
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<para>As the regular user, run <command>sudo vi /etc/services</command>
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and add this line to the end of the file:
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<screen>db2c_db2inst1 50001/tcp # IBM DB2 instance - db2inst1</screen>
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Then, as the DB2 instance owner (db2inst1 by default), run these commands:
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<screen>db2 update dbm cfg using SVCENAME db2c_db2inst1
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db2set DB2COMM=tcpip
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db2stop
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db2start</screen>
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Now remote users will be able to connect to the DB2 databases on your
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Ubuntu system.
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Now remote users will be able to connect to the DB2 databases on your
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Ubuntu system.
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</para>
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</listitem>
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<listitem>Enable remote DB2 administration connections>. To allow remote
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administration of your DB2 server, you'll need to set up the DB2 DAS
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connection port, as it is not configured by the Synaptic installation
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process.
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As the regular user, run <command>sudo vi /etc/services</command> and add
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this line to the end of the file:
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<screen>ibm-db2 523/tcp # IBM DB2 DAS
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<listitem>
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<para>Enable remote DB2 administration connections.</para>
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<para>To allow remote administration of your DB2 server, you'll need to
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set up the DB2 DAS connection port, as it is not configured by the
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Synaptic installation process.</para>
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<para>As the regular user, run <command>sudo vi /etc/services</command>
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and add this line to the end of the file:
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<screen>ibm-db2 523/tcp # IBM DB2 DAS
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ibm-db2 523/udp # IBM DB2 DAS</screen>
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Then, as the DB2 DAS owner (dasusr1 by default), run these commands:
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<screen>db2admin stop
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Then, as the DB2 DAS owner (dasusr1 by default), run these commands:
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<screen>db2admin stop
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db2admin start</screen>
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Now remote administrators can connect to the DAS server to administer
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databases on your Ubuntu system.
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Now remote administrators can connect to the DAS server to administer
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databases on your Ubuntu system.
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</para>
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</listitem>
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<listitem>
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<para>Correct instance restart problem</para>
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<para>One issue of note with the Ubuntu 7.04 installation is that the
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DB2 instances do not properly restart after a system reboot, and setting
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DB2AUTOSTART=YES does not resolve the issue.</para>
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<para>One workaround to this problem was suggested in part by
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IgorM on the DB2 Express-C forum; and that is to create and execute your
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own DB2 instance start up script.
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</para>
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<para>To begin with, login and create a new script file using the command:
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<screen>sudo vi /etc/init.d/db2</screen>
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and then insert this text:
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<screen>#!/bin/sh
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#
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# Script to start DB2 instances on bootup.
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#
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set -e
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. /lib/lsb/init-functions
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case "$1" in
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start)
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/opt/ibm/db2exc/V9.1/instance/db2istrt
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;;
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stop|restart|reload)
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;;
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esac
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exit 0</screen>
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and write the file to disk with the <command>:wq</command> vi command.
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</para>
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<para>
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Note that the path to the executable is
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<command>/opt/ibm/db2exc/V9.1/</command>, the default installation path
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from the DB2 .deb file. If your installation put the DB2 files
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elsewhere, be sure to adjust this script as required to find the
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/instance/ directory.
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</para>
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<para>Once the script has been saved, give the file the proper ownership
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and permissions:
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<screen>chown root.root db2
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chmod 755 db2</screen></para>
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<para>Now, to initialize this script so that it starts at boot time,
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install the Boot-Up Manager with this command:
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<screen>sudo apt-get bum</screen>
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</para>
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<para>After Synaptic downloads and installs the application file, you
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can run the program by clicking <command>System -> Administration ->
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BootUp-Manager</command>. Then click on the "Activate" checkbox beside
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the <command>db2</command> entry. Click <command>Apply</command> and
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say "No" to the dialog that asks if you want to start the service now.
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Click <command>Quit</command>. The script will now run at your next boot and
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start up all DB2 instances.
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</para>
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<para>The only other way to resolve the problem is to manually
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start the instances after a reboot with <command>db2start</command> (as
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the instance owner) and <command>db2admin start</command> (as the DAS
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owner). Once DB2 Express-C has passed the validation process for Ubuntu
|
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7.04, this instance start issue will disappear.
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</para>
|
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</listitem>
|
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<listitem>One issue to note is that the DB2 instance does not properly
|
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restart after a system reboot, and setting DB2AUTOSTART=YES does not
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resolve the issue. The only way to resolve the
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problem for now is to manually start the instances after a reboot with
|
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<command>db2start</command> (as the instance owner) and <command>db2admin
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start</command> (as the DAS owner).</listitem>
|
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</orderedlist>
|
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</para>
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</sect2>
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