Sysadmins of the North

Technical blog, where topics include: computer, server, web, sysadmin, MySQL, database, virtualization, optimization and security

Tag: AppCmd

How to: Determine which .NET Framework versions are installed

Users can install and run multiple versions of the .NET Framework on their computers. When you develop or deploy your app, you might need to know which .NET Framework versions are installed on the user’s computer.

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AppCmd introduction and examples

AppCmd, in combination with WinRM, is the Windows Server IIS systems administrator’s swiss-army knife for his daily routine. This post introduces AppCmd and provides a lot of AppCmd examples. AppCmd.exe is a command-line utility to manage IIS 7+ web servers. It exposes all important IIS server management functionality available through a set of intuitive management objects that can be manipulated through the cmd.exe or PowerShell command-line, or through PowerShell scripts. In this post you’ll find more information about AppCmd usage and examples.

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IIS application pool recycle on specific times, not regular time interval

By default, an IIS application pool (or “AppPool”) recycles on a regular time interval of 1740 minutes, or 29 hours. One reason for this time interval is that application pools don’t recycle at the same moment every day (every day at 07.00 for example). However, sometimes you may want to change this regular time interval to specific times. And when you try to configure this in IIS Manager, it gives you an error. Luckily, AppCmd and PowerShell come to the rescue!

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Conditionally start Application Pools on remote IIS web servers

Start stopped application pools with AppCmd in a loop. In my routine, I occasionally have to start multiple website application pools when they are in a stopped state. On more than one web server. Being a lazy system administrator, I find it too much work to log on every server. Therefore I start those application pools in a loop. A condition for me to start application pools is that the application pool autostart parameter is set to true. This is because I set autostart to false when I disable hacked websites, and those application pools may not be started until all problems are resolved of course. To start application pools, I use the AppCmd command.

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Custom PHP version on IIS Express and WebMatrix 3

PHP 7 with OPcache in IIS Express for WebMatrix 3: learn how to create your own PHP development environment easily with Microsoft WebMatrix and IIS Express and your own custom PHP version. Note: this guide also applies to newer PHP versions, just change the version numbers.

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Target multiple ASP.NET versions with AppCmd.exe

How to target multiple ASP.NET versions with AppCmd? When administering an IIS web server you frequently have to use AppCmd.exe to make configuration changes. Whether it is for a specific web site or server wide. Some might think AppCmd has its limitations; for example if they don’t know the options to use they might think you can only address the x64 .NET Framework version or only x86, or you can only target the current active .NET Framework version. Fortunately this is not true, you can address both x86 and x64 versions of .NET with AppCmd. Read how…

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Multiple IIS 6.0/7.5 Vulnerabilities

Multiple vulnerabilities found in IIS 6.0 and 7.5 web servers. On the Full-Disclosure mailinglist Kingcope posted several IIS 6.0 and 7.5 bugs. Because I am a Windows Server and IIS admin, I took some time to test the various vulnerabilities …

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Failed Request Tracing error LOG FILE MAX SIZE TRUNCATE

As you’ve probably read in my post AppCmd introduction and examples, AppCmd is a very extensive tool to administer Windows Server IIS hosting environments. Therefore, now a bit more about a common error message you might get using Failed Request Tracing: LOG_FILE_MAX_SIZE_TRUNCATE.

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