The problem

Since macOS Catalina and later Apple has changed the default shell terminal to zsh. Most of your scripts based on bash will have incompatibility issues with zsh. You can switch to bash but the version that comes with macOS is pretty old. Let’s change that.

Ingredients

For this recipe we will need:

• A VPS instance or other server preferably with 1GB ram
• AWS Route 53 DNS zone
• A kubernetes cluster. In our case k3s
• cert-manager