Chapter 6. Installing DMF on Linux Systems
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## Chapter 6. Installing DMF on Linux Systems

This chapter provides steps for installing DMF on Linux systems. To install DMF on IRIX systems, see Chapter 5, “Installing DMF on IRIX Systems”.

Before installing DMF 2.8, the site must decide whether the platform onto which DMF server software is being installed will ever export its DMF managed filesystems to another platform that has the DMF client installed, or whether the platform onto which DMF client software is being installed will ever export its imported DMF managed filesystems to another platform that also has the DMF client installed.

The importance of this possible configuration is that the DMF client commands rely on the `xinetd(8)` daemon to communicate with the DMF server machine. That communication is based on the TCPMUX functionality in the `xinetd` command, which is not present in versions of `xinetd` prior to `xinetd`-2.3.11. The DMF installation CD-ROM includes an RPM package of `xinetd`-2.3.11 that can be installed before the DMF installation. The administrator can install `xinetd`-2.3.11 if it might ever be required by DMF, or to simply upgrade the `xinetd` capability to a later, more robust version.

To determine the current level of `xinetd`, enter the following command:

    rpm -q xinetd

The output of the `rpm` command indicates the current level of `xinetd` that is installed. Use the following procedure to install software from the CD-ROM.

Procedure 6-1. Installing the Software from the CD-ROM

1. Place the CD-ROM into the drive.

2. Change directories to the DMF Linux installation directory, as follows:

       cd /CDROM/rpms

3. If you wish to upgrade your current version of `xinetd` , enter the following command:

       rpm -Uvh xinetd-2.3.11-1.ia64.rpm

   | Note: This command will fail if the currently installed version of `xinetd` is a later version.

   | Note: There are a number of `xinetd` configuration files in the `/etc/xinetd.d` directory that the `rpm` command shown above will not overwrite. Rather, it renames the newly installed versions with the suffix `.rpmnew` and logs a message to that effect. This command functions this way to prevent the overwriting of a site-modified configuration file with a default version, thus losing the site modification in the process. The administrator should inspect all `xinetd` configuration files for accuracy and reconcile any differences that are discovered in the new default configuration files (`*.rpmnew` ) with the existing files.

4. To install the DMF server, enter the following command:

       rpm -Uvh dmf-2.8.0.0-0.ia64.rpm

5. To install the DMF client, enter the following command:

       rpm -Uvh dmf-client-2.8.0.0-0.ia64.rpm

6. Eject the CD-ROM.

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Chapter 5. Installing DMF on IRIX Systems |  | Chapter 7. DMF Maintenance Utility