I like Arch, but it seems not so geared toward server use as Ubuntu is. That is not to say that it could not be done properly, but Ubuntu Server would lend its

I like Arch, but it seems not so geared toward server use as Ubuntu is. That is not to say that it could not be done properly, but Ubuntu Server would lend itself better out of the box. In terms of security, they will be about equal under proper administration practices. Canonical backing Ubuntu is probably an advantage for a production server environment.