Mention needing codecs on Linux for videos

api/working-with-extensions/publishing-extension.md

@@ -218,8 +218,6 @@ Eligible domains meet the following criteria:
 - You must be able to manage the DNS configuration settings and add a TXT record.
 - Your domain must use HTTPS protocol.
 
-Already have an eligible domain in mind? Awesome!
-
 By November 15th 2021, we will introduce a streamlined workflow to verify your publisher domain directly through the Visual Studio Marketplace publisher [management page](https://marketplace.visualstudio.com/manage).
 
 ### `.vscodeignore`

docs/getstarted/introvideos.md

@@ -12,6 +12,8 @@ MetaSocialImage: images/introvideos/opengraph_introvideos.png
 
 Start your journey using Visual Studio Code with this set of introductory videos! These videos are designed to give you an overview of VS Code's various features and quickly get you familiar with them.
 
+>**Note for Linux users**: Make sure you have the correct multimedia codecs installed for your Linux distribution. For example, on Ubuntu, you may need to additionally install `ubuntu-restricted-extras` to get the necessary codecs to play the videos.
+
 <ul class="video-list">
 	<li class="video">
             <a href="/docs/introvideos/basics">

docs/introvideos/basics.md

@@ -12,6 +12,8 @@ MetaSocialImage: images/opengraph/introvideos.png
 
 In this tutorial, we walk you through setting up Visual Studio Code and give an overview of the basic features.
 
+>**Note for Linux users**: Make sure you have the correct multimedia codecs installed for your Linux distribution. For example, on Ubuntu, you may need to additionally install `ubuntu-restricted-extras` to get the necessary codecs to play the videos.
+
 <iframe src="https://www.microsoft.com/videoplayer/embed/RWz32O" width="640" height="320" allowFullScreen="true" frameBorder="0"></iframe>
 
 Next video: [Code Editing in Visual Studio Code](/docs/introvideos/codeediting.md)

docs/introvideos/codeediting.md

@@ -12,6 +12,8 @@ MetaSocialImage:
 
 In this Visual Studio Code tutorial, we cover how to edit and run a small piece of code, including the features outlined below. After viewing this overview, read on in the [Learn More](/docs/introvideos/codeediting.md#learn-more) section to see more features.
 
+>**Note for Linux users**: Make sure you have the correct multimedia codecs installed for your Linux distribution. For example, on Ubuntu, you may need to additionally install `ubuntu-restricted-extras` to get the necessary codecs to play the videos.
+
 <iframe src="https://www.microsoft.com/videoplayer/embed/RE4M6Vx" width="640" height="320" allowFullScreen="true" frameBorder="0"></iframe>
 
 Next video: [Personalize Visual Studio Code](/docs/introvideos/configure.md)