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datapatch fails when running against an Oracle Container Database because of missing temp files in PDBs

03.08.2022 by Clemens Bleile

When going to 19.15. a customer hit this error when running datapatch: Unsupported named object type for bind parameter at /u01/app/oracle/product/19.0.0.0/dbhome1915/sqlpatch/sqlpatch.pm line 5849, line 4452. After anlyzing the issue it turned out to be related to what has been documented(…)

Application integration & Middleware

Documentum – RED Warning on D2 after enabling Tomcat HTTP Security Headers

31.07.2022 by Morgan Patou

Security is and will always be a very important aspect of IT. Enterprise Content Management (or Document Management Systems or Content Services Platform or whateveryoucallit) is obviously not an exception to that. One of our main goals as a consultant(…)

Database Administration & Monitoring

A few words about the good to know MAX_IDLE_BLOCKER_TIME

30.07.2022 by Frank Bléger

The increasing popularity of tools like SQL Developer and Toad, sometimes comes hand in hand with an increase of stuck sessions.This is especially seen in cases where: User A does a change (neither committed nor rolled back). Then, switches to(…)

Application integration & Middleware

Documentum – ACS not starting because of ActiveMQ on the MethodServer

29.07.2022 by Morgan Patou

Documentum is an inexhaustible source of issues and that’s great because I can continuously write blogs on it, and I always have materials for that. In this blog, I will talk about the ACS not being able to start on(…)

Oracle

Why do we still have HEIGHT BALANCED Histograms and how to get rid of them?

29.07.2022 by Clemens Bleile

A customer, who is on 19c with his Oracle databases asked me recently why he still has Height Balanced Histograms in his database? E.g. SQL> select histogram, count(*) from dba_tab_columns where histogram <> 'NONE' group by histogram order by 2;(…)

Ansible

Using Docker containers for Ansible testing

29.07.2022 by Benoît Entzmann

I’d like to share in this post a quick setup using Docker containers for Ansible testing. I wanted to create a small lab for my Ansible scripts testing. The natural option that came to my mind was to create some(…)

DevOps

Vim Tips & Tricks for the Kubernetes CKA exam

28.07.2022 by Benoît Entzmann

After being a regular reader of this blog for months, I’m thrilled to publish my first post! Vim is a very powerful editing tool to know in Linux and sometimes the only text editor available when connected to a machine(…)

Operation systems

PostgreSQL on 80 core ARM Server

25.07.2022 by Karsten Lenz

This Blog is about intallation and testing PostgreSQL 14 latest on an ARM based 80 core Server using Rocky Linux 8.6. Many thanks to Happyware for providing the machine used for this Blog. https://happyware.com/ The machine used for this(…)

Oracle

ODA: How to use Data Preserving Reprovisioning?

22.07.2022 by Jérôme Dubar

Introduction Oracle Database Appliance has a global patch available each quarter, so all the components can be patched together on a regular basis. Most of the time, applying the patch on your ODA will be OK, but sometimes you will(…)

Operation systems

Setup a Rocky Linux Repository server

18.07.2022 by Karsten Lenz

This Blog is about a setup of a Rocky Linux Repository server. Many people whould complain that it will be the same than RHEL 8, but is is not, there are some differencies between AlmaLinux, Rocky Linux, Oracle Linux(…)