barcode vb.net free Lesson 4 in Visual C#

Encoding Code 39 Full ASCII in Visual C# Lesson 4

Lesson 4
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Using the WMI Event Logging Provider
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detailed information about WMIC verbs, can be found in Windows Server 2003 Help and Support: WMIC Verbs.
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Table 12-3
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WMIC Verbs
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Parameters Method and parameter list if appropriate. Parameter lists are comma delimited. Use SERVICE CALL / to get a list of available methods and their parameters for the current alias. Property name or switch Example SERVICE WHERE CAPTION= TELNET CALL STARTSERVICE
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Verb CALL
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Action Executes methods
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GET LIST
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Get specific properties Show data
PROCESS GET NAME
LIST is the default verb. There are many PROCESS LIST BRIEF switches and adverbs that can be used with the LIST verb (example: BRIEF)
Using WMIC in Monitoring
With WMI running on a computer, and sufficient administrative credentials owned by the user running WMIC, local or remote monitoring of a computer is available at the command line. In noninteractive mode, multiple commands can be contained in a batch file that is run either manually or on an automated schedule. These WMIC commands can be output to a CSV file, text file, or HTML page to be viewed and analyzed. Following are examples of common monitoring scenarios and output that illustrate the use of WMIC for monitoring.
PRODUCT This command will output to the console the results of a query for all installed software on the local computer.
/OUTPUT:c:\applog.htm NTEVENT WHERE "eventtype<3 AND logfile='Application'" GET Logfile, SourceName, Eventtype, Message, TimeGenerated/FORMAT:htable:"sortby=EventType This command will output to an HTML file (C:\applog.htm) any events with types 0, 1, or 2 from the Application Log of the local computer. The list will be formatted in an HTML table (using the XML stylesheet htable.xsl) and sorted by Event Type.
/OUTPUT:c:\applog.csv/NODE:@"c:\serverlist.txt NTEVENT WHERE eventtype<3 AND logfile='Application'" GET Logfile, SourceName, Eventtype, Message, TimeGenerated/FORMAT:csv:"sortby=EventType This command will output to a CSV file (c:\applog.csv) any events with types 0, 1, or 2 from the Application Logs of the computers in the file serverlist.txt. The list
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12
Monitoring Microsoft Windows Server 2003
will be formatted in a comma-separated list (using the XML stylesheet csv.xsl) and sorted by Event Type.
OS ASSOC This command displays information related to the operating system hotifixes and patches that have been installed.
Practice: WMI Data from Event Viewer
In this practice, you will extract data from the Event Viewer and publish it to a Web page. 1. Logged on as Administrator on Server01, open a command window, type wmic, and press ENTER. This enters WMIC in interactive mode. 2. At the WMIC prompt, type the following command to access the Security Log data from Lesson 1, Exercise 3: NTEVENT WHERE "EVENTTYPE=5 AND LOGFILE='SECURITY'" GET LOGFILE, SOURCENAME, EVENTTYPE, MESSAGE, TIMEGENERATED This outputs the Failure Audit entries to the console. 3. At the WMIC prompt, type the following command to output the same information to a Web page called C:\seclog.htm. /OUTPUT:C:\seclog.htm NTEVENT WHERE "EVENTTYPE=5 AND LOGFILE='SECURITY'" GET LOGFILE, SOURCENAME, EVENTTYPE, MESSAGE, TIMEGENERATED/FORMAT:htable 4. Double-click the file C:\Seclog.htm to open the file in Microsoft Internet Explorer.
Lesson Review
The following questions are intended to reinforce key information presented in this lesson. If you are unable to answer a question, review the lesson materials and try the question again. You can find answers to the questions in the Questions and Answers section at the end of this chapter. 1. You need to get patch and hotfix information from a number of servers on your network. You would like to do this remotely. How can you use WMI to accomplish the task
Lesson 4
Using the WMI Event Logging Provider
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2. You want to get a list of all installed applications on 17 computers in the development department. You would like to do this remotely. How can you use WMI to accomplish this
3. You want to give a small group of engineers the ability to use WMI to get information from some of the development servers, but you do not want to give them administrator privileges on the servers. What can you do to give the engineers access
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