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Running y2base Stand-Alone

This document (7005307) is provided subject to the disclaimer at the end of this document.

Environment

SUSE Linux Enterprise Server 11
SUSE Linux Enterprise Server 10 Service Pack 3
SUSE Linux Enterprise Server 10 Service Pack 2

Situation

Is there a way to let runYCP-scripts isolated (i.e. stand-alone) in YaST?

Resolution

Normally YCP-scripts are executed involving the whole YaST-machinery, e.g. during installation, which requires correct embedding of the script into the surrounding YCP environment.

Fortunately there is a way to let runYCP-scripts isolated, i.e. stand-alone.

To do so we make use of the architectural separation of components featured by YaST. The “command line version” of YaST is called y2base and can usually be found in/usr/lib/YaST2/bin. You could set thePATH to include this location to avoid typing in the full path every time.

$> y2base -h

Usage: y2base [LogOpts] Client [ClientOpts] Server [Generic ServerOpts] [Specific ServerOpts]
LogOptions are:
-l | --logfile LogFile : Set logfile
ClientOptions are:
-s : Get options as one YCPList from stdin
-f FileName : Get YCPValue(s) from file
'(any YCPValue)' : Parameter _IS_ a YCPValue
Generic ServerOptions are:
-p FileName : Evaluate YCPValue(s) from file (preload)
'(any YCPValue)' : Parameter _IS_ a YCPValue to be evaluated
Specific ServerOptions are any options passed on unevaluated.

Examples:
y2base installation qt
Start binary y2base with intallation.ycp as client and qt as server
y2base installation '("test")' qt
Provide YCPValue '"test"' as parameter for client installation
y2base installation qt -geometry 800x600
Provide geometry information as specific server options

This help page, showing the possible options in a call ofy2base, is rather self-explaining.

Because a YCP-program (also called YCP-module) can act as a client-component, it is possible to connect it with a server-component suitable of executing it.

The user interface can be either a text-based console environment as well as a graphical X11 environment which leads to the following two methods of running aYCP-script.

  • y2base file.ycp qt

    This will execute file.ycp in the graphical Qt-UI.

  • y2base file.ycp ncurses

    This will execute file.ycp in the text-based NCurses-UI.


Disclaimer

This Support Knowledgebase provides a valuable tool for SUSE customers and parties interested in our products and solutions to acquire information, ideas and learn from one another. Materials are provided for informational, personal or non-commercial use within your organization and are presented "AS IS" WITHOUT WARRANTY OF ANY KIND.

  • Document ID:7005307
  • Creation Date: 05-Feb-2010
  • Modified Date:03-Mar-2020
    • SUSE Linux Enterprise Server

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