Hi. I don't know of a way to do a install from the menus in d-i, but you can use the --no-merged-usr switch to debootstrap. Presumably you could boot d-i or at least a live system and run debootstrap manually from a shell.
- How to undo a merged-user installation? Svante Signell
- Re: How to undo a merged-user installation? jnqnfe
- Re: How to undo a merged-user installation? Guillem Jover
- Re: How to undo a merged-user installation? Johannes Schauer
- Re: How to undo a merged-user installation? Sam Hartman