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No, this is not a duplicate of disable YUM mirrorlist checking That question was solved by preventing update of all metadata. This is not what I want to do.

I am trying to build images behind a corporate firewall which restricts outside access. I have internal mirrors, to which I point the installer during kickstart. That part works. Image reboots. I have disabled all repos (even tried deleting the existing .repo files), and laid down a custom repo file pointing to our internal mirrors. I've put "enabled = 0" in the fastestmirror.conf file (verified it works, yum doesn't say it's loading the plugin any more), BUT I'm still getting this error, and yum bails out:

Could not retrieve mirrorlist http://mirrorlist.centos.org/?release=7&arch=x86_64&repo=os&infra=stock error was 14: curl#7 - "Failed to connect to 2604:1580:fe02:2::10: Network is unreachable"

Well, yes, I know it is...that's why I disabled fastest mirror. I don't use the mirror list any more, because I've disabled all default repos.

I don't want to disable caching of metadata (nor do I want to extend its life, as was done in the above solution): I want metadata from our repos to be retrieved, but I don't want it to try to access the mirror list; there is no need.

Why is it still trying to access the mirror list? How can I disable that?

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  • Have you tried running yum clean all and rm -rf /var/cache/yum? Commented Nov 21, 2018 at 0:51
  • Yes I have. Ran that after deleting the .repo files. Commented Nov 21, 2018 at 0:58
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    Very duct-tape-ish but have you considered redirecting DNS for mirrorlist.centos.org and pointing it to a local-to-you machine and have it serve up a list of your mirror(s)? Commented Nov 21, 2018 at 2:20
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    Redirecting DNS would do the same thing as editing the file as I suggested below! Commented Nov 21, 2018 at 2:44

2 Answers 2

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I think this article will solve your issue here is the most relevant part first:

This should be where the mirror is:

baseurl=file:/share/CentOS/$releasever/os/$basearch/

If you want it not to look at all:

  • Comment out the repo's
  • Remove the baseurl's
  • Move the whole file to a .bak version and delete the original.

Set up /etc/yum.repos.d/CentOS-Base.repo like:

[base] name=CentOS-$releasever - Base baseurl=file:/share/CentOS/$releasever/os/$basearch/ gpgcheck=1 gpgkey=file:/etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-6 protect=1 priority=1 enabled=1 [updates] name=CentOS-$releasever - Updates baseurl=file:/share/CentOS/$releasever/updates/$basearch/ gpgcheck=1 gpgkey=file:/etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-6 protect=1 priority=1 enabled=1 [extras] name=CentOS-$releasever - Extras baseurl=file:/share/CentOS/$releasever/extras/$basearch/ gpgcheck=1 gpgkey=file:/etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-6 protect=1 priority=1 enabled=1 [centosplus] name=CentOS-$releasever - Plus baseurl=file:/share/CentOS/$releasever/centosplus/$basearch/ exclude=kernel* gpgcheck=1 enabled=1 gpgkey=file:/etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-6 protect=0 priority=1 [contrib] name=CentOS-$releasever - Contrib baseurl=file:/share/CentOS/$releasever/contrib/$basearch/ gpgcheck=1 enabled=0 gpgkey=file:/etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-6 protect=0 priority=3

From Here: https://wiki.centos.org/HowTos/CreateLocalMirror

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  • He doesn't want to make a mirror (he's done that apparently) he wants yum to stop checking the list of available mirrors. Even blocking on a network level will generate his error. Commented Nov 21, 2018 at 2:19
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    Then comment out the repos in that file. Like #[contrib] or remove the base url... @ivanivan Commented Nov 21, 2018 at 2:25
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In the files in /etc/yum.repo.d/*.repo , use baseurl instead of mirrorlist.

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