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This tutorial will demonstrate how you can change your relayhost value inside your config file in postfix using sed. This is handy when you want to use scripting.

This tutorial will demonstrate how to graph pretty charts with python flask and chart.js

This tutorial will demonstrate how to create a chatbot using python and chatterbot.

This tutorial will demonstrate how to resolve ssh host key warnings with strict checking enabled.

This tutorial will demonstrate how to install and configure a 3 node kubernetes cluster on ubuntu linux and then deploy openfaas to the cluster to test if its working as expected.