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# Prerequisites

# Update the list of packages

sudo apt-get update

# Install pre-requisite packages.

sudo apt-get install -y wget apt-transport-https software-properties-common

# Get the version of Ubuntu

source /etc/os-release

# Download the Microsoft repository keys

wget -q https://packages.microsoft.com/config/ubuntu/$VERSION_ID/packages-microsoft-prod.deb

# Register the Microsoft repository keys

sudo dpkg -i packages-microsoft-prod.deb

# Delete the Microsoft repository keys file

rm packages-microsoft-prod.deb

# Update the list of packages after we added packages.microsoft.com

sudo apt-get update

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# Install PowerShell

sudo apt-get install -y powershell

# Start PowerShell

pwsh