You can then terminate the process by using the Stop-Process command. When this happens, you can use the Get-Process command to get the name or the process ID for the process that has stopped responding. Just as you can use the Get-Service command to display a list of all of the system services, you can use the Get-Process command to display a list of all of the processes that are currently running on the system. You're more likely to use other commands to filter the output and dump it to a CSV or an HTML file. Of course, you would rarely use this command in the real world. For example, to see the Application log, you could use the following command: Get-EventLog -Log "Application" There are several parameters available, but you can try out the command by simply providing the -Log switch followed by the name of the log file. You can actually use PowerShell to parse your computer's event logs. For example, to create a CSV file containing the name of each system service and its status, you could use the following command: Get-Service | Select-Object Name, Status | Export-CSV c:\service.csv 8: Get-EventLog The Select-Object command allows you to specify specific properties for inclusion. This is where the Select-Object command comes into play. It's often helpful to narrow things down by including only the properties you are really interested in. If you tried using the command above, you know that there were numerous properties included in the CSV file. For example, to export the list of system services to a CSV file, you could use the following command: Get-Service | Export-CSV c:\service.csv 7: Select-Object At a minimum, you must provide an output filename. The syntax is similar to that of converting a command's output to HTML. Just as you can create an HTML report based on PowerShell data, you can also export data from PowerShell into a CSV file that you can open using Microsoft Excel. To do so, you could use the following command: Get-Service | ConvertTo-HTML -Property Name, Status > C:\services.htm 6: Export-CSV Now imagine that you want to create an HTML report that lists the name of each service along with its status (regardless of whether the service is running). To see how this command might be used, think back to the previous section, where we typed Get-Service to create a list of every service that's installed on the system. You will have to use the -Property switch to control which output properties are included in the HTML file and you will have to provide a filename. To use this command, simply pipe the output from another command into the ConvertTo-HTML command. One way of accomplishing this is by using the ConvertTo-HTML command. Sometimes, it's helpful to create a report you can send to someone. PowerShell can provide a wealth of information about the system, but sometimes you need to do more than just view the information onscreen.
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If you are interested in a specific service you can append the -Name switch and the name of the service (wildcards are permitted) When you do, Windows will show you the service's state. The Get-Service command provides a list of all of the services that are installed on the system. You can find out by using the Get-ExecutionPolicy command. If you're working on an unfamiliar server, you'll need to know what execution policy is in use before you attempt to run a script. For example, if you wanted to allow scripts to run in an unrestricted manner you could type: Set-ExecutionPolicy Unrestricted 3: Get-ExecutionPolicy
You can set an execution policy by entering the Set-ExecutionPolicy command followed by the name of the policy.
Scripts created remotely are allowed to run only if they are signed by a trusted publisher. Remote Signed - If the execution policy is set to Remote Signed, any PowerShell scripts that have been locally created will be allowed to run.
All Signed - If the execution policy is set to All Signed then scripts will be allowed to run, but only if they are signed by a trusted publisher.PowerShell scripts are not allowed to run. Restricted - Restricted is the default execution policy and locks PowerShell down so that commands can be entered only interactively.Four levels of security are available to you: You can use the Set-ExecutionPolicy command to control the level of security surrounding PowerShell scripts.
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For example, to find out all the commands you can use with the Get verb, type: Get-Help -Name Get-* 2: Set-ExecutionPolicyĪlthough you can create and execute PowerShell scripts, Microsoft has disabled scripting by default in an effort to prevent malicious code from executing in a PowerShell environment. You can also use Get-Help with individual nouns and verbs.
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