Method 1: My Oracle Support (MOS) — Recommended & Official
Oracle 11.2.0.4 was certified primarily for older operating system versions, including and RHEL 5/6/7 . If you are installing it on a newer OS like Oracle Linux 8 or 9, you will encounter compatibility blockages during prerequisite checks. download oracle 11.2 0.4 for linux x86-64
The recommended minimum hardware and software requirements are as follows: Method 1: My Oracle Support (MOS) — Recommended
Download the required zip files (typically 7 files for the full set, including database, grid infrastructure, and client). Visit Oracle Software Delivery Cloud . Sign in with your Oracle account. download oracle 11.2 0.4 for linux x86-64
After download, verify the checksums to ensure the ZIPs are not corrupted. Oracle provides MD5 checksums on the download page.