Question

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Dual boot 3 Ubuntu Based Systems and a bootloader using Virtual Hard Disks

rated 0 times [ 1] [ 0] / answers: 1 / hits: 368 / 3 Years ago, fri, may 7, 2021, 6:41:25

I know this sounds crazy, but I want to:

Install PloP Linux on my current Lubuntu 14.04 system

Create a new 450 GB Ext4 partition on my external drive and put my home folder there

Create another Ext4 Partition (50 GB) and put a 45 GB Virtual Hard Drive for Ubuntu 14.04 and Zorin OS 8, followed by a 5GB Virtual Hard Drive for PloP Linux.

Dual boot my Lubuntu install with Zorin OS and Vanilla (Unity) Ubuntu

And have my home folder auto-mount when booting into any of the OS's.

That's alot to do, but the result should make the perfect desktop out of an old junkyard computer that I have upgraded over the years.

So, in the process: How do I get GRUB to give me two seconds to select any of the OS's on the Virtual Hard Disks or my main Hard Disk before booting into Lubuntu?

And if Zorin OS doesn't ask if you want to upgrade like Ubuntu does, how can I upgrade it?

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ncharm

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answered 3 Years ago emuralm · Accepted Answer

You can change GRUB settings manually through the config file, or a GUI program (Both are described in answer linked directly below).

There is a community post here How do I change the GRUB boot order? , which points to the direction I believe you are looking for (and a little more).

ZorinOS is Debian/Ubuntu based, so if using apt you could probably use apt-get upgrade, for the packages on your system but I cannot be sure. For the OS the ZorinOS website has this as a ReadMe.