[Swlug] forgotten administrative password

[Bill Thomson]

Hi team, I hope you're all well :)


I have a slight problem. I installed Linux Mint 19.3 onto a friend's 
computer to create a dual boot (Windows/Linux Mint) capability. When I 
installed the Linux Mint 19.3, from a USB drive, I set an administrative 
password for future updates etc. However, I have forgotten the password 
I set, and the list of updates is now quite impressive!

Is there any way of reminding myself of the password, or of changing it?

Alternately, I could reinstall Linux for my friend. How do I go about 
doing that? Do I have to uninstall the original installation first, and 
if so, how?

The very few files that are on the Linux installation have already been 
backed up onto a separate USB stick.

I'd welcome your expertise on this knotty little problem please. It's 
obviously important that my friend's Windows installation stays intact.

I look forward to hearing from you. Thank you!

Bill Thomson

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