Merge pull request #2676 from SteveL-MSFT/update-install

update registration of MSFT repo using .deb pkg

Author: DCtheGeek

reference/docs-conceptual/setup/Installing-PowerShell-Core-on-Linux.md

@@ -49,11 +49,11 @@ PowerShell Core, for Linux, is published to package repositories for easy instal
 This is the preferred method.
 
 ```sh
-# Import the public repository GPG keys
-curl https://packages.microsoft.com/keys/microsoft.asc | sudo apt-key add -
+# Download the Microsoft repository GPG keys
+wget -q https://packages.microsoft.com/config/ubuntu/14.04/packages-microsoft-prod.deb
 
-# Register the Microsoft Ubuntu repository
-curl https://packages.microsoft.com/config/ubuntu/14.04/prod.list | sudo tee /etc/apt/sources.list.d/microsoft.list
+# Register the Microsoft repository GPG keys
+sudo dpkg -i packages-microsoft-prod.deb
 
 # Update the list of products
 sudo apt-get update
@@ -100,11 +100,11 @@ PowerShell Core, for Linux, is published to package repositories for easy instal
 This is the preferred method.
 
 ```sh
-# Import the public repository GPG keys
-curl https://packages.microsoft.com/keys/microsoft.asc | sudo apt-key add -
+# Download the Microsoft repository GPG keys
+wget -q https://packages.microsoft.com/config/ubuntu/16.04/packages-microsoft-prod.deb
 
-# Register the Microsoft Ubuntu repository
-sudo curl -o /etc/apt/sources.list.d/microsoft.list https://packages.microsoft.com/config/ubuntu/16.04/prod.list
+# Register the Microsoft repository GPG keys
+sudo dpkg -i packages-microsoft-prod.deb
 
 # Update the list of products
 sudo apt-get update
@@ -154,11 +154,11 @@ PowerShell Core, for Linux, is published to package repositories for easy instal
 This is the preferred method.
 
 ```sh
-# Import the public repository GPG keys
-curl https://packages.microsoft.com/keys/microsoft.asc | sudo apt-key add -
+# Download the Microsoft repository GPG keys
+wget -q https://packages.microsoft.com/config/ubuntu/17.10/packages-microsoft-prod.deb
 
-# Register the Microsoft Ubuntu repository
-sudo curl -o /etc/apt/sources.list.d/microsoft.list https://packages.microsoft.com/config/ubuntu/17.10/prod.list
+# Register the Microsoft repository GPG keys
+sudo dpkg -i packages-microsoft-prod.deb
 
 # Update the list of products
 sudo apt-get update
@@ -208,11 +208,11 @@ PowerShell Core, for Linux, is published to package repositories for easy instal
 This is the preferred method.
 
 ```sh
-# Import the public repository GPG keys
-curl https://packages.microsoft.com/keys/microsoft.asc | sudo apt-key add -
+# Download the Microsoft repository GPG keys
+wget -q https://packages.microsoft.com/config/ubuntu/18.04/packages-microsoft-prod.deb
 
-# Register the Microsoft Ubuntu repository
-sudo curl -o /etc/apt/sources.list.d/microsoft.list https://packages.microsoft.com/config/ubuntu/18.04/prod.list
+# Register the Microsoft repository GPG keys
+sudo dpkg -i packages-microsoft-prod.deb
 
 # Update the list of products
 sudo apt-get update