Install powershell on Fedora 31

# Register the Microsoft signature key
sudo rpm --import https://packages.microsoft.com/keys/microsoft.asc

# Register the Microsoft RedHat repository
curl https://packages.microsoft.com/config/rhel/7/prod.repo | sudo tee /etc/yum.repos.d/microsoft.repo

# Update the list of products
sudo dnf update

# Install a system component
sudo dnf install compat-openssl10

# Install PowerShell
sudo dnf install -y powershell

# Start PowerShell
pwsh

Source:https://docs.microsoft.com/en-us/powershell/scripting/install/installing-powershell-core-on-linux?view=powershell-7