Can't do an update with sudo apt-get update & sudo apt-get upgrade, pasting output in this message

Colin Law clanlaw at
Sat Dec 15 09:31:11 UTC 2012

On 14 December 2012 22:25, William Scott Lockwood III
<scott at> wrote:
> On Dec 14, 2012 4:01 PM, "Colin Law" <clanlaw at> wrote:
>> I don't understand what you mean.  From man apt-get:
>> upgrade
>>   upgrade is used to install the newest versions of all packages
>> currently installed on the system ...
>> dist-upgrade
>>   dist-upgrade in addition to performing the function of upgrade, also
>> intelligently handles changing dependencies with new versions of
>> packages ...
>> I don't quite see how that relates to your comments.  Can you clarify?
>> Colin
> Sure. If you have ever managed 1000's of servers as I have, you will learn
> very quickly that dist-upgrade can really bite you. It's much more of a
> problem with Ubuntu than with Debian, but it can still be a problem with
> both. While I would say things are a lot better than they were 5 years ago,
> they're still not perfect, and dist-upgrade has broken a few servers in
> production for me in the last year, even with testing, so use it carefully.

I thought that the Update Manger or Software Updater or whatever it is
now called used dist-upgrade.


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