On Sat, Dec 02, 2006 at 05:05:30PM -0500, Winston Smith wrote: > Does apt-get check the integrity of cached debs before installing them? > For example, if I did > > apt-get --download-only install <package> > > which downloads the package to the file > > /var/cache/apt/archives/<package>.version.deb > > but doesn't install it, and then sometime later, after the above file > became corrupt because of a faulty hard drive, did > > apt-get install <package> > > (which required no new download because there is no version change) would > the corruption be detected? > > In other words, is the check done after the download, before the > installation, or both? > Basically, yes. The md5sum is stored by apt. It checks the downloaded deb before installing against the stored md5sum. > Is there an easy way to check the integrity of cached debs and remove > corrupt ones? Also, is there an easy way to check the integrity of the > unchanging parts of installed packages? > Try debsums. Regards, -Roberto -- Roberto C. Sanchez http://people.connexer.com/~roberto http://www.connexer.com
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