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Software Distributor Administration Guide: HP-UX 11i v1, 11i v2, and 11i v3 > Chapter 7 Remote Operations Overview

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In addition to its ability to “pull” software from a central depot, Software Distributor also provides powerful features for remote operations that let you “push” software to remote systems (targets) from the local host. You can use these features interactively and monitor results of all SD-UX commands with the Job Browser or from the command line with the swjob command.

NOTE: The Terminal User Interface (TUI) is not available for remote operations.

Differences Between Remote and Local Operations

In general, all Software Distributor features that apply to local operation also apply to remote operations. Additional features of remote operations are summarized in this section.

Remote Targets

For local operations, the target consists of the local host or depots on the local host. For remote operations, the target can be one or more remote systems. A target can also contain depots and act as a source to serve other targets.

Controller, Daemon, and Agent Programs

The controller programs provide the user interface for SD-UX tasks and programs. The controller’s role collects and validates data it needs to start a task and to display information on the task’s status. The controller also distributes software to remote target machines.

On each target, the SD-UX daemon runs in the background, listening for requests coming from the controller. When a request is received, the daemon schedules the SD-UX agent to perform the task. The daemon also schedules the agent to answer requests from other agent programs that want to use one of the host’s depots as a source.

NOTE: You must restart the SD-UX daemon if you change daemon options, or the system will not recognize the changes. See “Using Command Options” for more information.

Job Management

With SD-UX remote operations, you can create jobs for immediately execution or schedule them for later execution. In addition, you can browse the scheduled, active, and completed jobs using either the command line interface (with the swjob command) or the interactive interface (with the sd command).

Compatible Software

The swconfig, swinstall, and swverify commands let you detect and enforce the use of compatible software (i.e., ensure software products are compatible with system types and operating systems). When you select multiple targets for a remote operation, SD-UX lets you select only the software compatible with all targets.

Dependencies Between Software

As with local operations, the swask, swconfig, swcopy, swinstall, swremove,and swverify commands support dependencies between filesets and products. If you have a software selection that specifies a dependency on other filesets or products, the command automatically selects that software. (This step is executed on the local host. You can override this policy with the autoselect_dependencies default option.)

With remote operations, dependencies are analyzed on each target and a fileset will not install if dependencies are not met on that target. (You can override this policy using the enforce_dependencies default option.)

Session Files

You can use the session file command options to build, save, and reuse sessions with most commands. With remote operations, target selections are saved along with options, source information, and software selections.

Additional GUI Components

SD-UX adds extra components to the GUI programs when remote operations are enabled. Otherwise, the programs are almost identical to those used for local operations. (See “Using the Remote Operations GUI”.)

Software and Target Lists

Most SD-UX commands let you read lists of software selections from separate input files. With remote operations, you can also read target lists from separate files. The local controller GUI also lets you use software and target lists.

Remote Patch Operations

You can use the SD-UX remote operations features for patch management. You can explicitly select patches for multiple remote systems at one time. Note, however, that the patch_match_target option works with only one remote system at a time.

Limitations

  • You cannot use remote operations to directly “push” an HP-UX OS update to remote systems.

  • Remote operations do not apply to the following SD-UX commands:

    • install-sd

    • swpackage

    • swmodify

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