using the downloaded upgrade packages from one laptop to another

[Abhishek Dixit]

On Thu, Jan 17, 2013 at 12:57 AM, Abhishek Dixit <abhidixit87 at gmail.com>wrote:

>
>
> On Wed, Jan 16, 2013 at 10:19 PM, Steve Flynn <anothermindbomb at gmail.com>wrote:
>
>> On 16 January 2013 16:31, Abhishek Dixit <abhidixit87 at gmail.com> wrote:
>>
>> > Now what I want to know is how do I make sure do-release-upgrade uses
>> these
>> > in my laptop and does not downloads
>> > 700 mb of updates because this will take 8-10 hours at my end so I want
>> to
>> > utilize the upgrades which were downloaded during the upgrade process
>> > on one of the systems.
>> > If there is a way in this situation let me know.
>>
>> Have you tried putting those package files into
>> /var/apt/cache/archives and then just firing the upgrade process?
>>
>> yes I have tried this and unfortunately this does not work and rather
> than picking the packages from
> /var/cache/apt/archives it
> goes to some thing like
>  http://us.archive.ubuntu.com/ubuntu/ precise/main qemu-utils amd64
> 1.0+noroms-0ubuntu13 [353 kB]
> and so on and is downloading things in /var/cache/apt/archives
>
> I've never tried this (never had any need to), but it sounds plausible
>> that the upgrade will see what packages it needs to download and once
>> it seems them in the cache directory, it'll assume they are downloaded
>> and not bother.
>
> No it does not assume they are downloaded , it actually is downloading
> them again and this is what I do not want to happen.
>


I luckily found some thing here
http://askubuntu.com/questions/3503/best-way-to-cache-apt-downloads-on-a-lan
just thought of posting so that some one here who comes in future may
benefit.
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