Oracle Linux

Can you use the UEK7 Linux kernel, or may you get some trouble?

Writing about a topic I have not much knowledge with is … no fun 🙂 But let me share this with you as one of my most trusted customers, Peter Lehmann, tested this and got trapped. The information being available was not crystal clear, and Peter‘s database did not start anymore when HUGEPAGES were enabled. So, the question is: Can you use the UEK7 Linux kernel, or may you get some trouble?

Where it all starts

Peter set up a new cluster with Oracle Linux 8.8 using an UEK7 kernel. And as …

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Oracle Linux (OL), Red Hat Enterprise Linux (RHEL) and CentOS

Oracle isn’t always evil. And I personally never understood why not everyb0dy is on Oracle Linux (OL) already. It’s free, it gets extremely well maintained. And some issues my customers saw with Red Hat Enterprise Linux (RHEL) were fixed with OL literally more than a year before RHEL did. No blame to anybody – but that is my experience when customers tell me about issues over the past two years. But what is the future of Oracle Linux (OL), Red Hat Enterprise Linux (RHEL) and CentOS? And why am I writing this blog post?

Oracle Linux (OL), Red Hat Enterprise Linux (RHEL) and CentOS

Photo by Brigitta Schneiter on

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Oracle Database 19c requires OL7, RHEL7 or SLES12 or newer

Oracle Database 19.2 for Oracle Exadata systems is available for download since yesterday night. One important thing you need to take into account once Oracle 19c will be generally available: On Linux, Oracle Database 19c requires OL7, RHEL7 or SLES12 or newer.

Database Installation Guide for Linux

Oracle Database 19c requires OL7, RHEL7 or SLES12 or newer

You will find the exact minimum OS and kernel version requirements in the Database Installation Guide for Linux for Oracle 19c. Please see here the Operating System Checklist for Oracle Database Installation on Linux:

Please be aware that the list of minimum requirements has been updated – always check Operating

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