Powershell Script To Check Website Status And Send Email

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Powershell Script To Check Website Status And Send Email – If the SSL certificate on the web server, RD Gateway, or WSUS server expires, the service is usually no longer available. To avoid this, you should constantly check the expiration time of the certificate. This can be done via a PowerShell script.

Wolfgang Sommergut has more than 20 years of experience in IT journalism. He has also worked as a system administrator and technical consultant. Today, he runs the German-language publication WindowsPro.de.

Powershell Script To Check Website Status And Send Email

Powershell Script To Check Website Status And Send Email

For web servers that are accessible from the public Internet, there are a number of online services that periodically check when a document has expired, and then notify the webmaster in a timely manner. In corporate networks, many monitoring tools can take on this task.

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If you are limited to onboard tools for this purpose, you can use PowerShell. With a relatively simple script, all servers can be scanned for certificates that are about to expire.

The following example reads all computers running Windows Server from Active Directory and remotely accesses their certificate stores.

To prevent scripts from hanging if the server cannot be accessed, the Test Connection cmdlet checks that the target host is online.

The script is meant to be executed interactively and uses write progress to show the progress of the operation. Of course, you can also set it to run as a scheduled task and receive email notifications when certificates expire. Monitoring Website Availability Posted on May 29, 2008 in .NET, Email, Templates, Exchange, Internet, OpsMgr, PowerShell, Reporting, Server Administration 32 Comments

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Did you know that you can use PowerShell to monitor your website and send you alerts when something goes wrong? We had usability issues with our community site and to my surprise a 20 line (!) PowerShell script did the job!

A method that queries the page (using some proxy handling code I got from Alexei Chuikov) and catches any exceptions it throws when something goes wrong. Cache uses our internal relay server to send emails to me and anyone involved in site administration.

Once I ran the script, I set a scheduled task in the Windows Task Scheduler to run the script every 15 minutes:

Powershell Script To Check Website Status And Send Email

A trick I learned from MoW and use in functions is to use the -command argument (instead of supplying a script) and include

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In the command, the exit code of the PowerShell script is recorded as the specified task result.

Works perfectly! And can save you a ton of money on a monitoring solution. Talk about the ROI of learning PowerShell! 😉

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The posts on this blog are provided “as is” without warranty of any kind and do not confer any rights. The opinions expressed on this site are solely mine and not necessarily those of my employer – WSO2 or anyone else. All trademarks acknowledged. Windows PowerShell is a powerful tool for automating tasks and simplifying configuration, and can be used to automate almost any task in the Windows ecosystem, including Active Directory and switching. No wonder it has become a popular tool among system administrators and experienced Windows users. In our PowerShell tutorials, we show you how to use some of PowerShell’s most useful tools. Now it’s time to take the next step: use these tools in scripts that can be executed with just one click. This PowerShell scripting tutorial will show you how to write and execute basic scripts in PowerShell and save you a lot of time in the end. Get a free PowerShell and Active Directory video course What is PowerShell ISE? PowerShell Usage and Features Getting Started with PowerShell Basics Before Running a Script How to Find Commands How to Run a Script Basic Scripting Examples Windows PowerShell Resources What is the PowerShell Language? The PowerShell language is an advanced, proprietary programming language developed by Microsoft with the primary goal of automating operations and configuration to system administrators. The language adheres to object-oriented standards, but can only be used in the Windows environment. It is part of the .NET Framework and generally provides the basis for C# code functionality, although knowledge of C# is not a prerequisite for learning PowerShell. A close comparison to the PowerShell language is Perl, which is used in a similar scenario in a Linux environment. In the PowerShell language, each individual function is called a cmdlet. A cmdlet has one or more defined sets of actions and can return .NET objects. PowerShell comes pre-configured with some very basic cmdlets for navigating folder structures and moving or copying files. What is PowerShell ISE? The new PowerShell cmdlet functions can be written in any text editor or word processing tool. However, recent versions of the Windows operating system include a tool called PowerShell ISE (Integrated Scripting Environment) that makes scripting much easier and more powerful. When you first open PowerShell ISE, it may look like a familiar Command Prompt window. However, the tool includes more features and support for writing code. PowerShell ISE includes a comprehensive list of all the common modules and cmdlets that a system administrator needs to use. When you’re ready to start writing your cmdlet functions, the debugging tools in PowerShell ISE will let you inspect your code, identify errors or problems, and then fix them. Like other coding environments, PowerShell ISE is very sensitive. Users can choose the color scheme, font, and theme they want to use when writing the script. New scripts created in ISE will be given a .psi file extension which can only be run in the PowerShell environment. If you’ve used the Windows command prompt, you’ll be familiar with the scripting language PowerShell. Objects and data pipes work in the same way, for example, ping: however, in most cases the syntax used in PowerShell is simpler and more readable than the commands used in the command prompt. Using Windows PowerShell and Functions Although Windows PowerShell can be used in a wide variety of applications, for beginners, the main benefit of PowerShell scripts will be related to system automation: using batch files, Whether automating backups or controlling access to large numbers. Files PowerShell scripts are also very useful when adding and removing new users. With well-designed scripts, you can automate the process of adding network drives, updating security software, and giving new users access to shared files. To do these things, you’ll use several key features of PowerShell, such as cmdlets and aliases (which I’ll explain below). Launch PowerShell In Windows 10, the search field is one of the fastest ways to launch PowerShell. In the search text field on the taskbar, type PowerShell. Then, click or type the “Windows PowerShell” result. To run PowerShell as an administrator, right-click the Windows PowerShell search result (touch screen users: tap and hold) and then click or type “Run as administrator.” There are many other ways to launch the PowerShell console, but this is a good way to start. PowerShell Basics If you’re new to PowerShell, read our PowerShell tutorial before reading this PowerShell scripting guide. In this guide, you’ll find instructions for all the basic tools you need to use PowerShell. This includes cmdlets, aliases, helper commands, and pipes. Once you have the basic commands down, you can start writing scripts. As your skills improve, you might also want to check out our guide to PowerShell input options and read through the resources at the end of this article. PowerShell scripts, like the ones we will create in this tutorial, are saved as .ps1 files before running the PowerShell script. By default, Windows does not allow you to run these scripts by just double-clicking the file. This is because malicious (or poorly written) scripts can cause a lot of unintended damage to your system. Instead, to run the PowerShell script, right-click the .ps1 file and click Run with PowerShell. If this is your first time using a PowerShell script, it may not work. This is because there is a system-wide policy that prevents execution. Run this command in PowerShell: Get-ExecutionPolicy

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You will see one of the following results: Restricted – No scripts will be executed. This is the default setting in Windows, so you need to change it. All signed — You can only run scripts signed by trusted developers. You will be prompted before running each script. RemoteSigned – You can run your own scripts or scripts signed by trusted developers. Unlimited – You can run any script you want. For obvious reasons, this option should not be used. To start using PowerShell scripts, you need to change this policy setting. You have to change it

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