That’s wrong. The tube has a cross section of 0.25π cm² so your tube will be filled ~1,2732m high.

Also as others have stated, if you can measure 1cm you already have a definition of a Meter.

Those huge trucks are also not save in any crash. At least for the other person.

Any crash involving an “american sized” car will be worse than two of these small trucks coliding

And Guam. And American Samoa. And US virgin islands. And mariana Islands.

Decryption is not related to root permission.

If the ENCRYPTED drive is mounted to the container, then the container can decrypt it.

If the DECRYPTED drive is mounted to the container, then the container never knows it was encrypted in the first place.

Second case is easier BTW. Just mount the drive on your host, type in the encryption password and you get a new, unencrypted drive. Specify this new drive in your docker compose/docker file.

Generally, Linux Servers are best administered from a command line. At least in the beginning to set everything up. In turn they are faster on lower hardware as they dont even have a graphical desktop at all so need less resources. You could of course install a windows server OS. They can be fully administered through Remote Desktop and a GUI.

There are multiple projects to make self hosting more accessible (like casaOS). They automate many steps of the setup and then offer you a webUI for further steps. Maybe have a look here https://github.com/awesome-selfhosted/awesome-selfhosted?tab=readme-ov-file#self-hosting-solutions