In the past I have upgraded using a DVD purchased from ubuntu.au
over-writing the existing main HDD. Now I want to do something different
and I am having great difficulty. I wish to install 18.04 on to a new
and blank SSD such that it is the root file system replacing the old
16.04. This time I bought 18.10 from ubuntu.au as a flash memory stick.
Unfortunately it doesn't show up on the bios boot menu, the only bios
system window that I can raise. Not a good start! It is not made easy by
not being able get into the bios system as one should.
I tried a different route by downloading the iso. After partitioning the
blank SSD using gparted I dd it with the iso successfully. But, as I've
learn't in the past that doesn't make the image bootable. Ubuntu
instructions lose their way after the step of downloading the iso,
saying "it's the hard part". I have successfully installed an Armbian
image (based on Ubuntu16.04) on an Orange Pi One board. It booted but
only because the image was designed to do so specifically for the Orange
Pi. I ask: Why can't I do the same with the 18.04 iso?
My other problem is that I want the new SSD to be be the root file
system and replace the existing 16.04 root file system. I don't know how
to do that. Surely there is a way to install an OS on to a pc which has
only a blank main drive ( which may, or may not, be partitioned). This
is done every day by the maker's of brand new PCs.
Your advice would be appreciated. Please don't send me to a forum site;
they can be useful but I find them mostly chit-chat columns.
Thanks, Geoffrey Combes
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