Definitely Ubuntu LTS if you don't mind running an old distro. However, updating Ubuntu can be problematic so if you want to stay up-to-date I'd recommend Arch

Definitely Ubuntu LTS if you don't mind running an old distro. However, updating Ubuntu can be problematic so if you want to stay up-to-date I'd recommend Arch Linux. There can be some hassle setting it up initially and the community is very RTFMy, but other than that, it's a very smooth distro.