Why do you pipe stderr of du into /dev/null?

Thank you for providing that link.

I see that you are an expert in literature and a connoisseur when it comes to these things.

No way this is real

You really should not turn the oven on remotely, especially when you have kids. Also your food will definitely not be ruined because your kids leave the fridge open for a few hours. And for the dishwasher you can just set a timer.