Marc Wagner

Removing rpm with dnf implies removing systemd

On an Oracle Linux 8, I installed a new package and did not pay attention that dnf used an old Oracle Linux 7 repository. Trying to remove it again, I was getting following error: Error:Problem: The operation would result in(…)

Oracle Linux – Unfinished DB8actions remaining

I have been recently facing following error when using yum/dnf: There are unfinished DB8actions remaining. You might consider running yum-complete-DB8action, or "yum-complete-DB8action --cleanup-only" and "yum history redo last", first to finish them. If those don't work you'll have to try(…)

Oracle database linux service not working properly after Oracle Linux upgrade

After performing an in-place Oracle linux upgrade I could realize that the oracle service was unusable. I would like to share with you the reason and how to resolve it.

Upgrading Oracle Linux when running Oracle databases

I recently had to upgrade an Oracle Linux production server running 19.30 Oracle databases for one of our customer. In this post, I will share with you the full set of steps that need to be carried out to run(…)

Oracle GenAI – Ask EM – Install and configure an Oracle Management agent on OEM 24ai

In order to be able to test the GenAI Ask EM functionality of OEM 24ai, and after I have first installed an OEM platform from OCI MarketPlace, I have been installing and configuring an Oracle Management agent on one of(…)

Oracle GenAI – Ask EM – Deploy Oracle Enterprise Manager 24ai from Marketplace

I have been looking to study and test what Oracle GenAI Ask EM assistant, also called now Oracle AI database assistant, can offer. This generative AI assistant is directly integrated into Oracle Enterprise Manager 24ai. Before being able to look(…)

Oracle Database 26ai Client and SQLNET.EXPIRE_TIME

We have been facing one issue at one of our customer where the Oracle Client connections remained opened for days blocking some avaloq JobNetz. We have been doing some tests and we could fortunately find a solution resolving the problem(…)

Loosing java remote console full control during ODA Reimage

Recently I had to patch an ODA at one of our customer from 19.20 to 19.26, going through 19.24. As you are aware of, knowing we go from Oracle Linux 7 (19.20) to Oracle Linux 8 (19.24), we need to(…)

MySQL Metadata Store service not able to start on an ODA

I was recently doing some consulting on some ODA at one of our customers, and I faced an issue with the DCS Agent and the MySQL Metadata Store. In this blog, I will show you the problem and how I(…)

Starting ODA 19.29 – Old grid version cleanup

We know that during the ODA patching, a new grid version will be installed. To avoid the /u01 file system to fill up, we need to cleanup the old version. In this blog, I will show you how you(…)