[CentOS] yum clean all - adverse effects?

Timo Schoeler timo.schoeler at riscworks.net
Wed Nov 4 09:00:52 UTC 2009


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thus Jussi Hirvi spake:
| Are there any adverse effects to "yum clean all"? Does the system
| lose its memory of what is installed/updated?
|
| Regards, Jussi H.

Hi Jussi,

from the manpage:

clean
Is  used  to clean up various things which accumulate in the yum
~       cache directory over time.  More complete details can  be  found
~              in the Clean Options section below.

In this section:

yum clean all
Runs  yum  clean packages and yum clean headers, yum clean meta-
~      data and yum clean dbcache as above.

It's all about *caching*. No information about installed packages will
be lost.

Really important information is stored in /var/lib/rpm/.

HTH,

Timo

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