Sysadmins of the North

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

Category: Windows Server (page 4 of 6)

How to play old games on Windows 10 with DOSBox

PC retrogaming how-to for 64-bit Windows – and Linux!

We all love old games. Here is how to play old games on Windows 10 and Windows 8.1 using DOSBox. Classic games that are worth your time!

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Disk Cleanup in Windows Server

Over time, as your Windows Server runs longer, more and more disk space is eaten. Simply gone! Investigating the disk usage leaves you clueless; there are no large log files, crash dumps, or there is no software to be removed. Where did that space go?

The answer: Windows Updates, Service Pack, and hotfix installations.

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WMI/netsh to add DNS servers on network adapters

How to add DNS servers – or resolvers – to a Windows Server network adapter, or interface using WMI and the netsh command. This one is quite old but may come in handy sometimes. In this example we use Google’s Public DNS server addresses and localhost to add as DNS Servers on our server.

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DHCP on Windows Server 2012 using 169.254.xx.xx as server name

Problem: after installing a new Windows Server 2012 R2 machine with the DHCP role enabled, adding a DHCP server used a 169.254.x.x IP address as server name. Instead of the servers hostname…

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Explicit Congestion Notification (ECN) slows down outbound connections

Windows Server 2012 is the first Windows Server version to enable Explicit Congestion Notification, or ECN, in the TCP stack. This is also known as ECN Capability. Explicit Congestion Notification is an extension to the Internet Protocol and to the Transmission Control Protocol and is defined in RFC 3168. ECN allows end-to-end notification of network congestion without dropping packets.

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“A domain rename operation is already in progress”

When promoting a Windows Server 2012 R2 to a Domain Controller failed…

The other day, when I attempted to add a newly installed Active Directory to become the slave domain controller of a master, the error message “A domain rename operation is already in progress” was displayed. Promoting the Windows Server 2012 R2 server to a Domain Controller failed.

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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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Mod_evasive on IIS

Mod_evasive is a module for Apache and Windows Server IIS (using Helicon Ape). It provides protection and evasive action in the event of an HTTP DoS-, DDoS or brute force attack. Detection is performed by creating an internal dynamic hash table of IP Addresses and URIs, and denies an IP address access to a website if it’s requesting the same page more than 10 times a second. This is configurable.

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Umbraco: Route example.com to www.example.com

URL Routing in Umbraco, how to redirect your website hostname in Umbraco from https://example.com to https://www.example.com.

By default, Umbraco listens to both http://example.com and http://www.example.com. This is not good for your Google ranking and SEO, since this will be seen as duplicate content. Fortunately, it is pretty easy to redirect your website to it’s www variant. Here is how to accomplish this.

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Remove IIS Server version HTTP Response Header

Remove HTTP response headers in IIS 7, 7.5, 8.0, 8.5, 10 and ASP.NET

Windows Server IIS loves to tell the world that a website runs on IIS. It does so with the Server header in the HTTP response, as shown below. In this post I’ll show you how to remove response server headers in IIS. You don’t want to give hackers too much information about your servers, heh? ;-).

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.svc WCF web service returns 404 Not Found on IIS 8

When a Windows Communications Foundation (WCF) web service returns a 404 Not Found error, after installing the HTTP-Activation feature in IIS, you might need to add an extra Handler to your IIS configuration.

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Send email with Ghost using SMTP authentication and TLS encryption

Ghost Publishing platform uses Nodemailer to send e-mails with Node.js. It can send e-mail using SMTP, sendmail or Amazon SES and is unicode friendly.

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Export and migrate WordPress to Ghost

A little while ago I installed Ghost on IIS, along with the required Node.js and iisnode module. All in an isolated test environment, in which Ghost runs as a production site only. Now I wanted migrate from WordPress to Ghost, but failed. Here’s the write up.

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How to install the Web-WebSockets feature in IIS using PowerShell

How to install WebSocket Protocol support in IIS through PowerShell‘s Install-WindowsFeature cmdlet. Simply install and enable support for the WebSocket protocol on Windows Server IIS.

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