Use at your own risk disclaimer:

No liability for the contents of this document can be accepted.
Use the concepts, examples and other content at your own risk.
There may be errors and inaccuracies, that may of course be damaging to your system.
Although this is highly unlikely, you should proceed with caution.
The author does not accept any responsibility for any damage incurred. 

1. Download ISOs and flashable images
   1. 64-bit PC (AMD64) desktop image ("ubuntu-18.04.3-desktop-amd64.iso", 1.9 GB)
2. Launch "Startup Disk Creator"
   1. Select ISO and USB
   2. Confirm USB device

• Make sure you have a recent backup of your data

You may need to go to the BIOS (<F2>)

• Boot: USB UEFI, Windows
• Secure boot: disabled
• Fast boot: disabled
• Legacy options (ROM, etc): enabled
• SATA on AHCI (NOT SATA on RAID)¹⁾
• Enable Intel Virtualisation Technology²⁾

• Disable "Fast boot"

• Install Ubuntu desktop tutorial
• Normal install w/ third-party software

• Ubuntu Desktop Guide

• my notes on how to config the FEUP VPN access in Ubuntu 18.04 LTS

gateway: 193.136.28.199 (feup-vpn.up.pt)
user: jlopes
password: Sigarra
nameserver: 193.136.28.10,193.136.28.9
#advanced
Authentication: MSCHAP, MSCHAPv2
Use Point-to-Point encryption (MPPE)

I got it working by selecting "Store the password for all users" (but do not ask me why)

— Correia Lopes, 26/09/2019 17:47