Operating systems

Setup a RHEL 8 Repository Server

This Blog is about a own Repository server for RHEL 8, Blogs for Repository Server for AlmaLinux, Oracle Linux, Rocky Linux, OpenSuse LEAP, SLES 15 and Debian 11 will follow. The base is a minimal installation.I have added EPEL and(…)

Configure Data Guard between 2 DB Systems with Oracle 21c

By Mouhamadou Diaw In this previous blog, I have configured 2 DB systems with Oracle 21c in an ODA 19.14. Now let’s continue and show how we can configure a Data Guard between these 2 servers.

Extract all DDL from an Oracle database

Introduction Extracting DDL is sometime useful for creating similar objects in another database without data. Basically everything can be extracted from a running Oracle database. The needs My customer asked me to replicate a database without any data. The goal(…)

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(…)

Migrating from CentOS 8 to AlmaLinux 8

In our blogs we already talked about Migrating a CentOS 7 EC2 instance to Rocky Linux 8 and CentOS 8 machine to Red Hat 8 , but how does it look(…)

Clone Oracle 21c Home

By Mouhamadou Diaw When deploying new Oracle Home on the same server or on a new server, you may use the downloaded Oracle binaries and do an install from scratch as usual. You may then apply any patch you have(…)

ODA KVM Machines : Adding a Network Interface on a Virtual Machine

By Mouhamadou Diaw In a previous blog , I was talking about virtual machines on ODA servers. Sometimes it comes that we want to add another network interface for other purpose. In this blog I(…)

Automating Linux patching with Ansible – How to keep all your environments consistent ?

Your may want to patch your Linux servers on a regular basis (e.g using “yum/dnf update”). As always, it’s obviously recommended to : 1) Patch the TEST systems 2) Check if there is no side effects 3) Wait(…)

Oracle Database Appliance 19.13: what’s new and how to patch?

Introduction Patch 19.13 is now available on ODA. It’s time to test it. What’s new? This version brings October’s PSU to database and grid homes with their bug fixes, as usual. It also brings 21.4 for DB Systems (21c being(…)

When unreachable NFS share mess up your Dbvisit Standby configuration

If I had to rank my favorite Oracle-related tools and software, Dbvisit Standby would likely be at the top of the list. You are reading this post, so you probably know that Dbvisit Standby is a(…)