On Mon, Jan 21, 2002 at 10:01:54PM +0800, jamson wrote:
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> Hi all,
> 
> Need help here.
> 
> I just did a apt-get upgrade and thing go well.
> 
> But once I reboot the server, all other third party application break and 
> would not work anymore. It use to work perfect.

Why do they break? What error messages are you getting?

> 
> Is there option to downgrade to the original package?

Reinstall from backup? 

Other than that you could try:
dpkg --force-downgrade -i package1.deb package2.deb package3.deb etc.

The list of packages would need to solve all dependencies.

You could also put the packages you want to downgrade to into a single
directory and use dpkg with '--recursive' option. See man dpkg.

Of course, you could really mess your system up trying this...

-- 
Jerome

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