Upgrading to 16.04

[Peter]

On 20/08/16 06:51, Ralf Mardorf wrote:
> On Fri, 19 Aug 2016 18:52:53 +0200, Volker Wysk wrote:
>> Another typo. The "." before the "deb" is missing.
> The OP should consider to learn using the terminal, since it makes
> maintaining Linux easier.
>
> Assuming in a directory are two files, e.g. "virtualbox-1234567890.deb"
> and "virtualbox-foo.bar", then if we changed into this directory we
> only need to type
>
>    sudo dpkg --force-depends -i v
>
> it's important that "v" comes after "-i", however, if we now push the
> Tab-key, the auto-completion provides
>
>    sudo dpkg --force-depends -i virtualbox-1234567890.deb
>
> IOW it makes typos impossible. The OP could avoid typos by simply
> copying and pasting the commands.
>
> JFTR
>
> On Fri, 19 Aug 2016 15:01:09 +0200, Ralf Mardorf wrote:
>> Open a terminal.
>>
>> Change to the download directory, by
>>
>>   cd /path/to/download_directory
>>
>> replace "/path/to/download_directory" by the real path.
>>
>> Then run the commands mentioned here:
>>
>> https://lists.ubuntu.com/archives/ubuntu-users/2016-August/286991.html
> I understand that this could be hard to understand by inexperienced
> users, but I at least tried to explain the part with the download
> directory. But perhaps the package even wasn't downloaded.
>
> Regards,
> Ralf
>
>
>
I repeated the commands in my downloads directory  It complained that a 
package
libqt5x11extras5 is  not installed.  How and where do I get and install 
this package?

Regards

Peter