Document GNOME Disks for Debian, Linux, and manual upgrades
- Remove “intermediary” Tails from Linux steps
- Reuse GNOME Disks instructions from Linux in Debian steps
- Replace Tails Installer by GNOME Disks to install intermediary Tails in manual upgrade steps
- Is it better to keep Debian and Linux separated?
Worker: Cody, reviewer: sajolida (1h)
Parent Task: #16007 (closed)