April 2017 – The WP Guru

How to mount and unmount drives in macOS and OS X from the command line

April 30, 2017 by Jay Versluis

Unmounting external drives on a Mac is usually done quick and simple by either dragging drive icon to the trash, or by using the eject symbol in a Finder window. Mounting usually happens automatically when a new drive is inserted into a USB port or SD card slot. However, there is a way to do … Read more

Format a Linux system drive on Windows

April 14, 2017 by Jay Versluis

The other day I tried to format a USB drive for use with Windows. I had previously tried this on my Mac to no avail. But now even Windows was telling me that it too could not format my drive. I was stumped! I had in fact never seen anything like it before. Was that … Read more

What’s the difference between the Logitech M325 and the M325c

November 26, 2017April 12, 2017 by Jay Versluis

The Logitech M325 and M325c are both wireless USB mice. Their design appears to be identical (except for the many different colourful variations of course), and their prices vary from anything between $12 and $60 – depending the layout and seller. Even the packaging is identical. So what’s the difference between these two models? Is … Read more

How to check which web server is running on a domain

April 8, 2017 by Jay Versluis

Sometimes we must know what web server is running on a particular domain. Usually web hosts should be able to tell a client this, but if the client is afraid to ask, there is a way to ask the web server directly for this information.

Just to clarify: the web server is the process that serves files (HTML, PHP, ASP, images, etc) from a remote machine to your local web browser. The most likely choices in this day and age (2017) are Apache, NGINX or IIS. The latter is used by Windows servers, and the two former are used by Linux servers. There are other web servers too, such as lighttpd, but they’re used less commonly.

By asking the web server for this information, we can tell exactly who’s serving those files.

How to ask the Web Server

Let’s open a Terminal or Command Line Prompt window and utilise the good old fashioned Telnet protocol. Replace yourserver.com with the actual domain in question: