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Troubleshooting RPM Issues

In this exercise, you will need to install `telnet` and install `Apache`. *This course is not approved or sponsored by Red Hat.*

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Path Info

Level
Clock icon Advanced
Duration
Clock icon 1h 0m
Last updated
Clock icon Jul 14, 2025

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Table of Contents

  1. Challenge

    Install telnet.

    First, let's become root:

    sudo -i

    Install the telnet package:

    yum install -y telnet

    Verify the integrity of the RPM database:

    cd /var/lib/rpm/

    /usr/lib/rpm/rpmdb_verify Packages

    Rebuild the RPM database:

    rpm -vv --rebuilddb

    Verify the integrity of the new RPM database:

    /usr/lib/rpm/rpmdb_verify Packages

    Query installed packages for errors:

    rpm -qa > /dev/null

    Install telnet:

    yum install -y telnet

  2. Challenge

    Install Apache.

    Install Apache:

    yum install -y httpd

    Edit /etc/yum.conf to remove the exclusion for httpd:

    vim /etc/yum.conf

    Now, try to install Apache:

    yum install -y httpd
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