>> On 21/04/11 08:12, Anthony Winter wrote:
>>>
>>> sudo apt-get update
>>> failed with
>>> Err http://ppa.quickbuild.pearsoncomputing.net squeeze
>>> Release.gpg
>>>    Could not resolve 'ppa2.quickbuild.pearsoncomputing.net'
>>>
>>> Is this expected?
>>>
>>> cheers
>>>
>>> anthony
>>
>> Similar errors here since yesterday. There are alternative repos, if
>> anyone can post what is current while this error remains.
>>
>> Now the forum is disabled, it is especially difficult for new users, to
>> trawl back through a mailing list for old posts to get info; experienced
>> users can deal with it, could be a real showstopper for others
> <snip>
>
> I just got word of this problem now; it appears to be a DNS issue, however
> the DNS configuration of the Trinity web services has not been touched in
> several months, leading me to suspect upstream equipment and/or caches.
> Curiously, only the ppa.quickbuild.pearsoncomputing.net DNS entry is down;
> all other DNS entries appear to be functioning normally.  Also, "nslookup
> ppa2.quickbuild.pearsoncomputing.net pearsoncomputing.net" returns proper
> information, whereas "nslookup ppa2.quickbuild.pearsoncomputing.net"
> fails.
>
> It is very late here so I cannot look into the problem tonight, but I will
> see what I can do tomorrow.
>
> Tim
>

Looks like it was a simple DNS caching issue somewhere upstream; the issue
resolved at my test systems without my intervention overnight.

If you continue to have issues please let me know!

Tim