![](https://programming.dev/pictrs/image/2d8cc2a9-ef50-4dcc-bb4c-a3208cfe352c.png)
![](https://lemmy.world/pictrs/image/4271bdc6-5114-4749-a5a9-afbc82a99c78.png)
If it’s important that it keeps running then it should just be redundant and taking one node down for an update shouldn’t be an issue. I know this is wishful thinking for a lot of services but I refuse to be on call for something if the client can’t be bothered to make it redundant.
Maemo and later Meego yes… I had a Nokia N900 and it was an awesome phone. Basically Debian in your pocket, easily accessible terminal with root etc.