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The Debian System -- Concepts and Techniques The Debian System -- Concepts and Techniques
Martin F. Krafft Open Source Press / No Starch Press ISBN 3-937514-07-4 / 1-593270-69-0
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Deborphan may need to be run iteratively (page 248)

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Reported on: 2006-07-30

In chapter 5. The Debian package management system on page 248:

Deborphaner is not iterative (or recursive, depending on how you look at it). In one run it may suggest to remove a set of packages, but it fails to identify packages that would be obsolete if the user removed the packages suggested in the first run.

Discussion

Philippe Teuwen suggests the following loop:

while [ $(deborphan | wc -l) -ne 0 ]; do
echo "Purging $(deborphan | wc -l) packets:";
deborphan | xargs dpkg --purge;
done

Credits

Philippe Teuwen
Feedback

Christian Einfeldt, MadPenguin: Martin follows [a] general pedagogic method throughout all of the technical chapters of his book: policy; concept; techniques; and examples. I say pedagogic, not pendantic. Martin is not going to talk down to you, but he will give you puh-lenty of deep info about the Debian utilities and fundamental code structures [...]. In fact, this text certainly is suitable for a college-level course on computer system administration.

 
 

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