[CentOS] Starting a Local CentOS Mirror
johnny at centos.org
Fri Jun 27 12:42:22 UTC 2008
Art Age Software wrote:
> Hi all,
> I would like to set up a local CentOS mirror, as suggested by others
> on this list, to cut down on bandwidth usage, etc. I have read a
> couple HowTos and it seems pretty straight-forward, but I do have some
> 1) How should I change my entries in /etc/yum.repos.d? Specifically,
> should I replace CentOS-Base.repo with my own .repo file?
You probably need to edit your CentOS-Base.repo file. See my suggested
way in the answer to your next question.
> 2) Is there a way to configure yum to prefer the local repo, but use
> an external mirror if the local is not available?
You can just add one baseurl=<local_path> line to your CentOS-Base.repo
file for each section ([base], [updates], etc.) ... while still leaving
the "mirrorlist=" one enabled. Then install the yum-fastestmirror
plugin ... fastest mirror SHOULD always pick your local mirror, and if
it is not available it should pick the next fastest one listed.
> 3) What is the best practice around keeping the local repo updated? A
> once-a-day cron job to rsync from an external mirror? If this is the
> correct approach, is there a way to rsync from a "mirror list" so that
> updates won't fail if a particular mirror happens to be unavailable
> when the cron job runs?
We do not provide public syncs from our infrastructure except for
"public mirrors" (people who are allowing public access to their
mirrors) ... however, there are about 200 public mirrors, some of which
provide rsync. Here is the list of public mirrors:
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