apt-get system reinstallation

andy baxter andy at earthsong.free-online.co.uk
Thu Jul 24 06:50:29 BST 2008


NoOp wrote:
> On 07/22/2008 09:42 PM, andy baxter wrote:
>   
>> Bart Silverstrim wrote:
>>     
>>> Is there a simple way to try a "reinstall" of everything currently 
>>> installed on my system?
>>>
>>>   
>>>       
>> I have written up a page on how to do this here:
>>
>> https://help.ubuntu.com/community/ReinstallingSamePackages
>>
>> get back to me if you need any help with this. Not sure if it will solve 
>> your original problem though.
>>     
>
> Two points:
>
> 1. "apt-get deselect-upgrade # actually installs the packages." should
> be: apt-get dselect-upgrade # actually installs the packages."
> [http://linux.die.net/man/8/apt-get]
>
>   
Thanks for pointing this out - it was a spelling mistake which I have 
now corrected.
> 2. Nothing gets "reinstalled" unless one of the packages was
> considerably outdated or missing from the cache list. Your instructions
> will only _install_ packages from the machine #1 dpkg-selections to
> machine #2 _if_ those packages are not already on machine#2; see my post
> in this thread regarding Sundar Nagarajan's instructions.
>
>   
I wrote up that page for people who want to completely reinstall their 
system from the CD/DVD, which I think is what Bart was talking about 
originally.

andy.
>   If the packages are already there & up to date nothing gets
> "reinstalled", which is what Bart was looking for. This is great for
> "mirroring" two systems, but not 'reinstalling' in place. Also note
> Sundar Nagarajan's recommendation when bringing up a new system: "On the
> new machine, do a minimal install. Once you have booted into the
> new machine, do the following". That way you start with a minimal and
> then use dselect to 'build/mirror' the other system.
>
> Note: you can test this by using your instructions on an exisiting
> system (modify 'deselect' to 'dselect' first).
>
>
>
>
>
>   





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