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Using the Command Line

Purpose

This tutorial covers the basic use of Oracle WebLogic Scripting Tool (WLST) to administer Oracle WebLogic Server via the command line.

Time to Complete

Approximately 15 minutes

Topics

This tutorial covers the following topics:

	Overview
	Scenario
	Prerequisites
	Starting the Administration Server by Using WLST
	Changing a Server Property by Using WLST
	Shutting Down the Administration Server by Using WLST
	Summary
	Related Information

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Overview

This tutorial introduces you to Oracle WebLogic Scripting Tool (WLST). It gives you a chance to practice the basic commands and to practice changing server properties via the command line.

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Scenario

The WLST utility allows you to monitor servers from the command line. It also gives you the ability to shut down the server, change server attributes, and configure a domain.

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Prerequisites

Before starting this tutorial, you should first complete the following prerequisite tutorials:

1.	Installing and Configuring Oracle WebLogic Server

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Starting the Administration Server by Using WLST

To open WLST and start the administration server, perform the following steps:

1.	Open a terminal and navigate to the /wlserver_10.3/server/bin directory of your Oracle WebLogic Server installation.
2.	Use the setWLSEnv script to set up the environment needed for WLST. For example, on Linux: source setWLSEnv.sh
3.	Open WLST by entering the following command at the prompt: java weblogic.WLST
4.	Start the administration server by entering the following command at the WLST prompt. If necessary, replace the sample argument values with those that match your domain environment: startServer('SERVER_NAME', 'DOMAIN_NAME', 'SERVER_ADDRESS:SERVER_PORT', 'USERNAME', 'PASSWORD')

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Changing a Server Property by Using WLST

To update a running server via the command line, perform the following steps:

1.	At the WLST prompt, enter the following command to connect to the running administration server. If necessary, replace the sample argument values with those that match your domain environment: connect('USERNAME', 'PASSWORD', 'SERVER_ADDRESS:SERVER_PORT') Tip: The supplied credentials should have access to the administration server. Tip: If not specified, the default protocol is 't3'.
2.	Change to edit mode by using the following command: edit()
3.	Change to the Log directory of your server by using the following command: cd('Servers/SERVER_NAME/Log/SERVER_NAME') Note: Replace SERVER_NAME with the name of your administration server.
4.	Start an edit session by using the following command: startEdit()
5.	Set the FileCount property of the administration server log file to 8 and then check whether the server property has been changed using the following commands: set('FileCount','8') ls()
6.	Save and activate the changes by using the following commands: save() activate()

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Shutting Down the Administration Server by Using WLST

In this section, you use the Administration Console to modify the standard output severity threshold for the administration server.

1.
At the WLST prompt, enter the following:

shutdown()

By default, the shutdown command stops the server that you are connected to.

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Summary

In this lesson, you should have learned how to:

	Start WLST
	Log in to WLST
	Start an administration server by using WLST
	Navigate through WebLogic's MBean hierarchy using WLST
	Change properties of a resource by using WLST
	Shut down the administration server by using WLST

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Related Information

	Overview of the Administration Console
	WebLogic Scripting Tool Guide
	WLST Command Reference
	WebLogic Server MBean Reference
	To learn more about WebLogic Server, refer to additional OBEs on the OTN Web site.