The Latin proverb goes: Per Zapusa ad Aardvarka. So, here's a short article and tutorial detailing the upgrade process from Xubuntu 17.04 Zesty Zorba to Xubuntu 17.10 Artful Aardvark, including post-EOL update problems and command-line procedure, complex eight-boot configuration with UKUU, UEFI NVRAM read-only kernel patches, and many third-party repos, post-upgrade look & feel, applications, hardware support, stability, performance - with Intel firmware microcode and Meltdown patches also taken into consideration, some small errors, and more. Take a look.