Oracle Database Error Solutions & DBA Knowledge Base

Welcome to Oracle Database Error Solutions, a professional technical knowledge base dedicated to helping Oracle Database Administrators, Oracle E-Business Suite administrators, developers, and IT professionals troubleshoot Oracle Database and Oracle Linux issues with confidence.

This website provides practical, real-world troubleshooting guides based on hands-on Oracle administration experience. You'll find detailed solutions for Oracle Database errors, RMAN backup and recovery, Data Guard, ASM, RAC, Oracle Linux administration, Oracle E-Business Suite (EBS), cloning, performance tuning, patching, installation, and day-to-day DBA tasks.

Whether you're resolving ORA-27101, ORA-28040, ORA-01555, ORA-12154, ORA-01017, or other Oracle errors, our step-by-step articles are designed to save you time and help you solve problems efficiently.

Configure YUM Repository from installation DVD


Configure YUM Repository from installation DVD
           
Applies to:
            Oracle Enterprise Linux – Version: 7
           
Description:
            Configuring YUM on OEL 7 from installation DVD

Solution:
Following the steps to configure YUM from installation DVD:
After installation of Oracle Linux 7 configure YUM repository from installation DVD to install other RPMs.
Insert installation DVD of OEL 7 into CD/DVD ROM.

# umount /cdrom
# mount /dev/sr0 /mnt
# cd /etc/yum.repos.d/

Create a new file:
# vi rhel7dvd.repo

Add the following details:
[cdrom]
name=CDROM Repo
baseurl=file:///mnt
enabled=1
gpgcheck=1
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-oracle

Save the above file

Clear the related caches by yum clean all and subscription-manager:
# yum clean all
# subscription-manager clean

Check whether you can get the packages list from the DVD repo:
# yum list – noplugin
 
If no problem, you will update:
# yum update – noplugin
 
# yum-config-manager --disable ol7_UEKR3
# yum-config-manager --disable ol7_latest
 
# yum update – noplugin



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About the Author

Rana Abdul Wahid is an experienced Oracle Database Administrator with expertise in Oracle Database Administration, Oracle Data Guard, RMAN Backup & Recovery, Oracle RAC, Oracle E-Business Suite, Performance Tuning, and High Availability Solutions.

Through this blog, he shares practical Oracle DBA solutions, troubleshooting guides, interview preparation resources, and production-tested best practices for database professionals worldwide.


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