102.5 Use RPM and Yum

Question 1

What is YUM

Answer 1

Yellowdog Updater Modified

• Originally used for the Yelllowdog Linux Distribution
• Handles rpm package dependencies
• Installs, upgrades, and removes packages
• Used on RHEL, CentOS, Scientific Linux, and Fedora
• Global YUM configuration options are set in /etc/yum.conf
• Reads repository information from /etc/yum.repos.d
• Caches latest repository information in /var/cache/yum

Question 2

What are some other RPM Package Managers?

Answer 2

Zypper
   - Used on SUSE linux distros
   - Zypper reopos
   - Zypper install vim
DNF - Dandified yum:
    - Used on Fedora Linux distros
         - Future replacement for YUM in REHL

Question 3

How do you use YUM to clear out packages marked for removal?

Answer 3

YUM autoremove

Question 4

How do you find out which package provides a specified file name?

Answer 4

yum whatprovides

Question 5

How do you reinstall a specified package?

Answer 5

yum reinstall

Question 6

What is contained in an rpm file?

Answer 6

The .rpm package contains:

• Application or utility
• Default configuration files
• How and where to install the files that come with the package
• Listing of dependencies that the package requires

Question 7

Where is the rpm database located and how do you rebuild it?

Answer 7

/var/lib/rpm

Use the rpm –rebuilddb command to repair a corrupted database

Question 8

List all installed packages with rpm?

Answer 8

rpm -qa

Question 9

List all files in a package

Answer 9

rpm -qpl

Question 10

Upgrade a package with rpm.

Answer 10

rpm -U

Question 11

Uninstall a package with rpm

Answer 11

rpm -e