I have an installation of snap just to use microk8s for work.
However, I seem to have no control as to when microk8s is running and it uses a lot of resources on my laptop. And running sudo systemctl stop snapd snapd.socket seems to not do anything with those services.
Does anyone know why?
And how can I configure them in a way that only when I start them, they actually run?
Use sudo systemctl disable --now snapd.socket to stop snapd to start on boot. You can start the service whenever you need by sudo systemctl start snapd.socket. I am not sure but you can also stop kubelet.service if there’s any
Those are user-level services. You must issue those commands without sudo. 
systemctl disable --now snapd.service snapd.socket
The above command not only stops them but also prevents them from starting automatically. You can then start them manually with…
systemctl start snapd.service snapd.socket
… whenever you need them, and you replace the start with stop for stopping them. You can even create an alias for that and add it to your ~/.bashrc or ~/.zshrc, depending on what shell you use.
[...]
alias startsnap="systemctl start snapd.service snapd.socket"
alias stopsnap="systemctl stop snapd.service snapd.socket"
[...]
Note: You will have to log out and back in in order for those aliases to take effect.
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