Installation

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(…)

Comparing Data When Migrating Databases With GoldenGate Veridata: Installation Guide

More often than not, migrating a database is not much about moving the data but about ensuring that nothing was lost in the process. In all migration projects, a DBA will have to answer the following question: “Is my(…)

Securing an Existing Unsecure GoldenGate Installation

You might have an existing unsecure GoldenGate installation that you would like to secure, whether it’s for security reasons or because you would like to dissociate the installation and its securing process. After searching everywhere in the Oracle documentation(…)

GoldenGate 26ai Installation: Graphic and Silent Mode Comparison for Automation

26ai update: This article was originally written for 23ai. But not much changes when setting up GoldenGate 26ai. Just adapt the responseFileVersion when doing the silent installation, and that’s it ! As instructed in this(…)

Oracle FMW 14 Installation – ORA-00439: feature not enabled: Fine-grained access control

This short blog is to share with you an issue we faced at a customer during Oracle Fusion Middleware 14 installation.

Automatisation for Oracle ZDM installation and update

Let's have a look how we can install and update Oracle Zero Downtime Migration tool, and see how we can automatise it with ansible...

Easily build a kubernetes cluster with kubeadm

In the upcoming blog posts, I will cover monitoring with Prometheus in a Kubernetes infrastructure. As I started blogging, I decided it would be useful to delve into the design of the k8s infrastructure. This will allow you to(…)

How to setup a Consul Cluster on RHEL 8, Rocky Linux 8, AlmaLinux 8 part 2

Within the first part I have described the setup of Consul as replacement for ETCD. Here now the setup ob keepalived, haproxy and patroni. The needed packages I have installed within the first part, so let’s start with the(…)

How to setup a Consul Cluster on RHEL 8, Rocky Linux 8, AlmaLinux 8 part 1

This blog describes the setup of a Consul Cluster on RHEL 8 and clones, it will be the base for a Patroni HA setup using RPM Packages from postgresql.org. Many Patroni setups are using ETCD, but ETCD is not(…)

Updating Password in PostgreSQL from md5 to scram-sha-256

Many installations have a history of many major PostgreSQL releases. With PostgreSQL 10 comes scram-sha-256 for hashing passwords, by installing from packages scram-sha-256 is the default setting for new installations since PostgreSQL 13. With this small blog I will(…)