Newbie Warnng! : Fedora Core Offline Updates

Robert M. Bernabe rbernabe at
Wed Jul 16 23:25:05 UTC 2008

> I haven't used rsync and perhaps it does this 
> automatically, but you can also use wget with a list of 
> packages that you have installed, set to only update 
> files that have changed.  Point it to a specific mirror 
> that you know is fast and run it every night.  You 
> could then burn the resulting changes to a DVD and use 
> sneaker net to put it into the yum cache on the machine 
> you are running in isolated mode.  Then you would just 
> run yum update as normal and the updates would occur.
> I don't think that the Fedora inrastructure is really 
> set up for this sort of no internet updating.  The 
> changes are pushed out to the mirrors over the 
> internet, and the individual installations look over 
> the internet to pull the updates they want.
> So no matter what workaround you use, it is going to 
> require internet access for some machine.
> You could just set up two identical machines, one on 
> the internet, one off.  Set up yum to cache the 
> packages on the machine connected to the internet.  Use 
> the cache to burn a DVD.  The packages are all signed 
> with a redhat key that would be verified on the offline 
> machine, so you could be sure of getting unadulterated 
> packages.  The online machine would just be a dummy for 
> getting the packages.  Turn off all services and set up 
> the firewall to be very restrictive.  No local data, 
> just the bare installation with all the packages of the 
> offline machine.  To be even more paranoid, only boot 
> and check for updates, then shut it down, so you are 
> only on the net for the duration of the package 
> downloads and update.

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