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3. Preparing your distribution for DB2

3.1. Caldera OpenLinux 2.4

3.1.1. Before installing DB2 on Caldera OpenLinux

This section contains instructions that you must follow before installing DB2.

Preparing for the installation of DB2

  1. Install the pdksh-5.2.14-1.i386.rpm package from the Caldera OpenLinux CD-ROM in the /Packages/RPMS/ directory. For example, log in as root, mount the CD-ROM, and enter the following command to install the pdksh package:
    bash# rpm -ivh /mnt/cdrom/Packages/RPMS/pdksh-5.2.14-1.i386.rpm

  2. Remove the jdk package, (JDK 1.2.2 from Sun), since it will conflict with the IBM Developer Kit for Java that you will install in the next step. To remove Sun's JDK, issue the following command as root:
    bash# rpm -e jdk

  3. Install the IBM Developer Kit for Java. A brief set of installation directions is included in Section 11.

  4. Edit the JAVA_HOME and PATH entries in /etc/config.d/shells/bashrc to remove the references to the JDK from Sun and update them to reflect the IBM Developer Kit for Java. The section that I changed started as:
    
    [ -z "$JAVA_HOME" ]&& [ -d /usr/java ] && (
                export JAVA_HOME=/usr/java
                [ -r $JAVA_HOME/lib/classes.zip ] &&
                  export CLASSPATH=$JAVA_HOME/lib/classes.zip
    )
    

    Replace it with the following section to reflect the default locations for the IBM Developer Kit for Java:
    
    [ -z "$JAVA_HOME" ]&& [ -d /usr/jdk118 ] && (
                export JAVA_HOME=/usr/jdk118
                export PATH=$PATH:$JAVA_HOME/bin
                [ -r $JAVA_HOME/lib/classes.zip ] &&
                  export CLASSPATH=$JAVA_HOME/lib/classes.zip
    )
    

3.1.3. After installing DB2 on Caldera

This section contains instructions that you must follow after installing DB2.

3.2. Mandrake Linux 7.2

The DB2 server and command line DB2 client works on Mandrake Linux 7.2, and I was able to successfully start and use the DB2 Control Center with IBM JDK 1.1.8 (build 20000713).

3.3. Mandrake Linux 8.1

3.3.1. Before installing DB2 on Mandrake Linux

Preparing for the installation of DB2

  1. Install the pdksh-5.2.14-12mdk.i586.rpmpackage from the Mandrake LinuxCD-ROM #2 in the /Mandrake/RPMS2/directory. For example, log in as root, mount the CD-ROM, and enter the following command to install the pdkshpackage:
    bash# rpm ivh /mnt/cdrom/Mandrake/RPMS2/pdksh-5.2.14-12mdk.i586.rpm
  2. The Linux 2.4 kernel changes the default values of some ipc limits. However, the default value for the msgmniis 16, which causes difficulties running DB2 with the default 2.4 kernel ipc parameters. Fortunately, the 2.4 kernel also enables you to change a number of these parameters through the /procfilesystem. With the 2.4 kernel, you do not have to recompile your kernel to experiment with different parameter values. To set the msgmnikernel parameter at boot time, append the following lines to /etc/sysctl.conf:
    
# Sets maximum number of message queues to 128
    # Set this to 1024 or higher on production systems
    kernel.msgmni = 128
    
  3. Uninstall the default Mandrake Linux8.1 Kaffe Virtual Machine with Package Manager or Software Manager. Install the IBM Developer Kit for Javaby issuing the following command as root:
    bash# rpm -ivh IBMJava118-SDK-1.1.8-5.0-i386.rpm
  4. To set up the Java environment for all or specific users in Mandrake Linux 8.1, copy the content of /usr/jdk118/binto /usr/binand /usr/jdk118/libto /usr/lib. After that you can successfully issue the
    java -fullversion
    command.
  5. To install DB2 Warehouse Control Database, you must change the permissions for the /homedirectory to read, write and execute (for users, groups, others) as a user with root authority:
    
bash# chmod ugo=rwx /home
    
    If you do not change the permissions for the /homedirectory, you may recieve the following error: SQL0970N The system attempted to write to a read-only file. SQLSTATE=55009.

3.4. Red Hat Linux 6.2

3.4.2. Installing DB2 and creating instances on Red Hat

Follow the instructions in Section 4, the generic section on installing DB2 and creating instances.

3.5. Red Hat Linux 7.1

3.5.1. Before installing DB2 on Red Hat

Preparing for the installation of DB2

  1. Install the pdksh-5.2.14-12.i386.rpm package from Red Hat CD-ROM (2) in the /RedHat/RPMS/ directory. For example, log in as root, mount the CD-ROM, and enter the following command to install the pdksh package:
    bash# rpm -ivh /mnt/cdrom/RedHat/RPMS/pdksh-5.2.14-12.i386.rpm

  2. For a compatible version of the libstdc++ library, install the compat-egcs-c++-6.2-1.1.2.14.i386.rpm package from Red Hat CD-ROM (2) in the /RedHat/RPMS/ directory. For example, log in as root, mount the CD-ROM, and enter the following command to install the compat-egcs-c++ package:
    bash# rpm -ivh /mnt/cdrom/RedHat/RPMS/compat-egcs-c++-6.2-1.1.2.14.i386.rpm

  3. Install the compat-libs-6.2-3.i386.rpm package from Red Hat CD-ROM (2) in the /RedHat/RPMS/ directory. For example, log in as root, mount the CD-ROM, and enter the following command to install the compat-libs package:
    bash# rpm -ivh /mnt/cdrom/RedHat/RPMS/compat-libs-6.2-3.i386.rpm

  4. The db2setup command looks for a file called /usr/lib/libncurses.so.4 and will not proceed unless it exists, so create a symbolic link from the ncurses4.0 library in /usr/i386-glibc21-linux/lib/ to your /usr/lib/ directory.
    
bash# ln -sf /usr/i386-glibc21-linux/lib/libncurses.so.4.0 /usr/lib/libncurses.so.4
    

  5. The default setting for the msgmni kernel parameter only allows a couple of simultaneous connections to DB2. To set this value at at boot time, append the following lines to /etc/sysctl.conf:
    
# Sets maximum number of message queues to 128
    # Set this to 1024 or higher on production systems
    kernel.msgmni = 128
    

3.5.2. Installing DB2 and creating instances on Red Hat

Follow the instructions in Section 4, the generic section on installing DB2 and creating instances.

3.6. SuSE Linux

3.7. TurboLinux 6.0




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