Before you can properly debug crash and memory dumps in Windows (Windows 11, Windows 10, Windows Server), you need to install WinDbg -Windows Debugger- and its debugging symbols. In this article I explain how to set up these debugging symbols for WinDbg in Windows.
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Windows has the ability to allow the MSI package (.msi file) contents to be extracted using the command line or via a script. I keep forgetting the correct msiexec syntax to use to extract files from an .msi file (MSI package), so here is a short post with the command.
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If you need to connect virt-manager to a KVM host over ssh in Windows, then Windows 11 and WSL 2 made things a whole lot easier for you. Even if you need to connect virt-manager through an ssh tunnel and arbitrary port because your network is reachable only through a bastion host with ssh key authentication. Here is how.
…Connect to a KVM host through an ssh tunnel and arbitrary port in Windows 11 and WSL 2Read More »
In this post I describe some of the settings and changes I made to make my Windows 10 and Ubuntu WSL into a fully fledged development environment. Here are the settings and tools I use for DevOps/SysOps on Windows.
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Since Win32-OpenSSH version 8.9.1.0p1-Beta there is decent support for FIDO/U2F hardware authenticators. This means we can use a YubiKey with Windows 11 and Windows 10, w00h00! In this post, I’ll show you how to install Microsoft OpenSSH client in Windows 11 and Windows 10, and how to configure your YubiKey. If you follow this guide and all goes well, you no longer need additional tools like Git Bash or MremoteNG/MobaXterm.
…YubiKey support in OpenSSH for Windows 11 and Windows 10Read More »
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Are you worried about your .NET webapp running out of memory? In order to let your .NET (web) application run smooth over a longer period of time, it is important to monitor the .NET CLR Garbage Collector (GC) and collection. The what? The .NET Common Language Runtime Garbage Collector. Here is how you can monitor this in a Zabbix template using Powershell WMI / CIM and Win32_PerfRawData_NETFramework_NETCLRMemory Windows Performance Counters.
…Monitor .NET CLR Garbage Collected heap from your web applicationRead More »
If you want to find out fast if your IIS webservers have EnableTrailerSupport enabled for https.sys in the registry, here is a small PowerShell method. All you have to do is set the correct SearchBase.
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How can I convert an SqlCe database to Microsoft SQL Server? Now the SQL Server Compact (SQL CE) database type is unsupported, it’s recommended by Microsoft to upgrade to SQL Server. But how do you convert your SqlCe database? I’ll explain in this article, read on.
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Out of the box, Umbraco is a well built and pretty fast content management system. However, it is still important you perform some steps to further optimize Umbraco’s performance and loading speed. Here on Sysadmins of the North, I wrote about 11+ tips to optimize Umbraco 7 CMS earlier, and in this post I write about implementing them in Umbraco 8.
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Here are 3 ways of blocking access to a PHP sendmail.php script on your Windows Server IIS webserver. This comes in handy if a websites on your webserver sends out spam and you need to block access to a script on a specific website or globally in IIS. You can use a web.config file for this purpose, and here is how.
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Recently I started to use Piranha CMS on a project. Piranha CMS is a .NET 6 compatible content management system and comes with TinyMCE 5 as its editor. I wanted to extend TinyMCE and load additional plugins in my project. Here is how you can do the same.
…This article shows you how to add a trailing slash to URL’s in Umbraco 8, using IIS URL Rewrite Module, without breaking the Umbraco backend. Forcing one particular URL avoids duplicate content, which is important for SEO.
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If you need to add VirtIO drivers to your Windows Recovery Environment (Windows RE) to recover your Windows virtual machine, here is how. The following steps come in handy if you found out the hard way you don’t see any disks in Windows RE after a hard crash. As have I…
…Adding VirtIO drivers to Windows Recovery Environment (Windows RE)Read More »
If you want to be able to log on to your Windows Servers through Win32 OpenSSH, you can make use of SSH public key authentication through a ~/.ssh/authorized_keys file. But if you have tens (hundreds) of servers and/or users, perhaps it’s easier to retrieve user SSH public keys from Active Directory (AD). In this article I’ll explain how.
Retrieve SSH public key from Active Directory for SSH authenticationRead More »