Oracle DB Client 12c R2 on OL8 by cloudimg

## Oracle Database Client 12c R2 on Oracle Linux 8 by cloudimg

Pre configured Oracle Database Client 12c R2 (Administrator install, version 12.2.0.1.0) on Oracle Linux 8, purpose built for Microsoft Azure and maintained by cloudimg. Provides every tool, library, and driver needed to connect to and operate against legacy Oracle 12.2 and 12c R2 and earlier databases without running a database server on the same VM. cloudimg packages 12c R2 on Oracle Linux 8 with the equivalent compatibility libraries and re linked binaries so SQL*Plus, sqlldr, tnsping, expdp, impdp, exp, imp, tkprof, rman, and adrci all work cleanly out of the box. Production ready, security patched, and validated before publication, with 24/7 expert technical support.

Why Choose cloudimg?

* 24/7 Expert Support with guaranteed 24 hour response for all requests and one hour average for critical issues. Contact support@cloudimg.co.uk

* Production Ready from Launch Pre configured, security patched, and validated before publication

* Azure Native Integration Built with Azure Linux Agent, cloud init, and Gen2 Hyper V support

* Trusted by Enterprise Established marketplace publisher with hundreds of images across AWS and Azure

What's Included

* Oracle Database Client 12c R2 (Administrator install) version 12.2.0.1.0

* SQL*Plus, sqlldr, tnsping, expdp, impdp, exp, imp, tkprof, rman, adrci, and the full Oracle Net client utility set

* Oracle Net libraries for OCI and JDBC linking

* Pre seeded tnsnames.ora and sqlnet.ora ready for customer entries

* Dedicated oracle OS user with environment script

* System wide profile hook so any future user picks up the client tools

* libnsl shim and OEL8 compat libraries for legacy 12c R2 binary linkage

* Oracle Linux 8 base with latest security patches at build time

* System OpenJDK in place of bundled Oracle JDK so JVM CVEs are dnf patched

* Azure Linux Agent for seamless cloud integration

* Cloud init for automated provisioning

Use Cases

* Application server tier connecting to a legacy Oracle 12.2 and 12c R2 Database

* Batch and ETL workers running sqlldr, expdp, impdp against pre 12c databases

* Database administration jumpbox for connecting to Oracle 12c R2 instances over private networks

* Data migration and replication workflows reading from 12c R2 endpoints into modern targets

* Monitoring and reporting hosts that query Oracle 12c R2 via SQL*Plus or scripted clients

* Lift and shift workloads where the application still requires the 12c R2 client libraries

Getting Started

1. Deploy from the Azure Marketplace in your preferred region

2. Connect via SSH using azureuser and your SSH key

3. Switch to the oracle user and source the environment script

4. Add an entry for your remote database to tnsnames.ora

5. Connect with sqlplus username password and the alias you defined

Technical Specifications

* Operating System: Oracle Enterprise Linux 8.10

* Oracle Database Client: 12.2.0.1.0 (Administrator install)

* Install Path: /u01/app/oracle/product/12.2.0/client_1

* Default OS User: azureuser (sudo enabled)

* Oracle OS User: oracle (owns ORACLE_HOME)

* Recommended Size: Standard_B2s (2 vCPU, 4 GB RAM)

* VM Generation: Hyper V Gen2 with UEFI boot

* Filesystem: LVM partitioned

Security

* Latest CVE patches applied at build time

* No inbound ports required beyond SSH; client uses outbound TCP 1521 only

* SSH hardened with key based authentication

* Oracle Wallet supported for credential storage

* Compliance ready for CIS, PCI DSS, HIPAA

Support

cloudimg provides 24/7/365 expert technical support. Guaranteed response within 24 hours, one hour average for critical issues. Contact support@cloudimg.co.uk.

Visit www.cloudimg.co.uk/guides/oracle-database-client-12-2-on-oracle-linux-8-azure for the full user guide.

Oracle is a registered trademark of Oracle Corporation. This image is a repackaged upstream distribution provided by cloudimg. Additional charges apply for build, maintenance, and 24/7 support.