> > Why? 7.5.1804 has been out since May of this year. You're going to > end up downloading a ton of updates the first time. > For a specialized software, we have to wait for the developers to certify each new OS. They are still recommending 7.3. One reason in particular is that 7.5 has a fix for Meltdown and Spectre, which known to reduce performance. This machine will be airgapped, so performance trumps security. > I suggest going into the BIOS and disable the internal video port, if > that's possible. You might be able to indicate which video device to > use for default with the right video= parameter to the kernel for the > bootloader. > > This is not possible. The best I can do is switch VGA priority to offboard, that controls which screen shows POST messages. Also — this time it shows a few more lines, nouveau says unknown chipset (132000a1) So I think I can fix it by adding nomodeset to the boot options.