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{{Warning box|Currently under development.}}

{{Level|Advanced}}

This page is intended to explore the possible use of yum-plugin-priorities in order to help prevent the installation of unwanted rpms from 3rd-party repositories such as dag, dries, etc.

This page is intended to explore the possible use of yum-plugin-priorities in order to help prevent the installation of unwanted rpms from 3rd-party repositories such as dag, dries, etc.

=== Installation ===

=== Installation ===

  yum --enablerepo=extras install yum-plugin-priorities

  yum --enablerepo=extras install yum-plugin-priorities

On SME 8.x use (untested!)

On SME Server 8.x use (untested!)

  yum --enablerepo=extras install yum-priorities

  yum --enablerepo=extras install yum-priorities

  enabled = 1

  enabled = 1

  check_obsoletes = 1

  check_obsoletes = 1

These settings tell yum to pay attention to the 'priority' setting for each repo, and to make sure the an 'obsoletes' flag in a low priority repo will not result in the removal of a package from a higher-priority repo.

These settings tell yum to pay attention to the 'priority' setting for each repo, and to make sure the 'obsoletes' flag in a low priority repo will not result in the removal of a package from a higher-priority repo.

If you are not running Sme 7.4 update smeserver-yum

If you are not running SME Server 7.4, update smeserver-yum

  yum update smeserver-yum

  yum update smeserver-yum

* If you get a ''missing dependency'' error from yum

* If you get a ''missing dependency'' error from yum

** re-run yum manually using ''--exclude <pkgname>'' on the command line, replacing <pkgname> with the package that is preventing your update

** re-run yum manually using ''--exclude <pkgname>'' on the command line, replacing <pkgname> with the package that is preventing your update

** If you suspect that the blocked update resolves a security issue, you must decide for yourself whether to compromise the original sme/centos package and force the update of the non-sme/centos package by running  

** If you suspect that the blocked update resolves a security issue, you must decide for yourself whether to compromise the original SME Server/CentOS package and force the update of the non-SME Server/CentOS package by running  

  yum update --enablerepo=<xxx>  --enablerepo=<xxx2> --noplugins <pkgname>

  yum update --enablerepo=<xxx>  --enablerepo=<xxx2> --noplugins <pkgname>