It took a while into 2021 – but now Oracle Database 21c is available for download on Linux.
Please go to either oracle.com or edelivery:
On edelivery you need to search for “Oracle Database”:
On oracle.com you need to scroll down a bit:
Other OS Ports
As you can see in MOS Note: 742060.1 – Release Schedule of Current Database Releases – Table 2, Oracle Database 21c will be available on Linux x86-64, Microsoft Windows x64 and HP-UX Itanium. It won’t be available on SPARC or Intel Solaris, neither will it be available on IBM AIX or zLinux.
Please be aware that Oracle 21c is an Innovation Release only. This means, you won’t get Extended Support for it. The Long Term Release right now with optional Extended Support is still Oracle Database 19c.
Please see MOS Note: 742060.1 – Release Schedule of Current Database Releases for further details.
Oracle Database 21c will get Premier Support until end of April 2024.
Please see the Learning Database New Features Guide for Oracle 21c for further details.