apt-get system reinstallation

[NoOp]

On 07/09/2008 09:00 AM, Bart Silverstrim wrote:
> Bart Silverstrim wrote:
> 
>> I'm wondering if I've stumbled into the Ubuntu version of "dll 
>> hell"...it's weird that FireFox works fine with flash on system A and 
>> not on system B; correct me if I'm wrong, but that would imply that 
>> there's something installed on system B that isn't on A and conflicts, 
>> despite %99 of the software being from Synaptic/Apt-get.
>> 
>> Or it implies corruption of some sort, but I haven't been getting errors 
>> that I can find in logs for anything. Perhaps a way to verify all the 
>> installed packages would also be handy. I'll have to dig through Google 
>> and see if such a beast exists. :-)
> 
> Second thought...is there a way to verify the installs against the repos 
> with apt-get, and if so, would that be a way to do a "virtual reinstall" 
> (check that my applications aren't corrupt and is properly installed)? 
> If the repos check out against installed applications, that should mean 
> the system is as stable as it would be with a reinstall of everything, no?
> 

I don't know the answer to "Second thought. However, there are a couple
of things you could try:

1. Use fslint to check for bad symlinks, duplicates etc:
http://packages.ubuntu.com/hardy/admin/fslint

2. I keep this in the archives from Sundar Nagarajan:

> das ??? wrote:
>> > If I want to install the identical-package list in another machine, what
>> > is the way to do it?
>> > 
>> > --
>> > das
>> > 
>> > 
> 
> 
> On the original machine (source) type:
> dpkg --get-selections | grep -v deinstall > ubuntu-files
> 
> Save the output file to a location / disk that will be accessible in the 
> new (target) machine.
> 
> On the new machine, do a minimal install. Once you have booted into the 
> new machine, do the following:
> 
>     sudo apt-get update
> 
>     sudo apt-get dist-upgrade
> 
>     dpkg --set-selections < ubuntu-files
> 
> where ubuntu-files is the original output file that you saved.
> 
> Now your new system's package management subsystem "knows" what you want 
> installed. Just use dselect to install it all. Type the following:
> 
>     sudo dselect
> 
> This will open up a dselect session. Type '/I/' and allow dselect to 
> install of the the packages listed in your ubuntu-files document. When 
> it's finished, type '/Q/' and hit the/ ENTER/ key to exit dselect.
> 
> You should have an identical package list (or close enough).
> 
> 

In the meantime, I've fired up the test server & preparing to run
sktsee's command. I'll let you know what happens :-)