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Cannot update OS: yum update fails: Error: Protected multilib versions

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Pavel Mikhaylov
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Symptoms

  • Cannot install OS updates. yum fails with the following messages:

    CONFIG_TEXT: Error: Protected multilib versions: libstdc++-4.8.5-16.el7_4.1.i686 != libstdc++-4.8.5-16.el7.x86_64
    Error: Protected multilib versions: libgcc-4.8.5-16.el7_4.1.i686 != libgcc-4.8.5-16.el7.x86_64

  • Additional custom repositories are used:

    # ll /etc/yum.repos.d/
    <..>
    -rw-r--r-- 1 root root 1050 Oct 3 00:44 city-fan.repo
    <..>

Cause

3rd-party repositories cause conflicts.

Resolution

  1. Connect to the server via SSH

  2. Remove extra repositories:

    # mv /etc/yum.repos.d/city-fan.repo /root/

  3. Remove packages that cause issues:

    # rpm -e --nodeps libstdc++-4.8.5-16.el7_4.1.i686 libgcc-4.8.5-16.el7_4.1.i686

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