[clug] Blank CD-R Disc

Bryan Kilgallin kilgallin at iinet.net.au
Mon Sep 3 02:21:42 UTC 2018

I wrote:

> Perhaps my machines had contracted a virus?

Again I rebooted via GRUB, into recovery-mode. I dropped to root, 
remounting the filesystem with write permissions. Next I reset my 
password. Then I resumed normal boot.

I opened Ubuntu Software and tried installing ClamTk. That's a graphical 
front-end to Clam Antivirus. But the Administrator-password window 
rejected my password!

So I opened a Terminal window. And I tested sudo, using an example. But 
it failed, refusing my password!

I'd next like to use recovery-mode, to install those applications, from 
the command-line interface. But I don't know how to do that; please advise.

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