May 24

OCM 12c Preparation – Course requirements

There are 3 things to remember here that are very important: “Courses used to fulfill the OCP training requirement may not be used again to fulfill the OCM training requirement.” “Courses can be instructor-led in-class (ILT), a live virtual class (LVC), training on demand (TOD), or Unlimited Learning Subscription. Self-study CD and online courses are …

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May 24

OCM 12c Preparation – Prepare your Environment

As we have many situations to deal with in the topics, my recommendation is creating 6 VMs using Virtualbox: Oracle DB Single Instance + Oracle Data Guard RAM: 4G / = 10G ; SWAP = 8G ; /u01 = 40G (Ora Binaries + Datafiles) Oracle Enterprise Manager + Oracle Data Guard RAM: 6G / = 10G ; …

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May 10

Removing exposed HTTP Digest hash from user$ in Oracle 12.1

Background Oracle 12.1 has introduced a lot of new cool security features and improvements. We all agree with that. However, one of the most bizarre and security vulnerability things that Oracle did in this release was introducing HTTP Digest Authentication to allow XDB users to log in. The new EM Express Edition is one of the …

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May 10

Where is Oracle Database 12.2.0.1 April 2017 PSU ?

Oracle 12.2 database is already available for more than 3 months. As expected, the first Patch Set for a given Release comes with a lot of bugs and we want as soon as possible a PSU to close all those gaps. However, I couldn’t find the PSU for the 12.2 version on the quarterly April 2017 …

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Mar 10

Check which Hub Node is Leaf Node connected to in Oracle Flex Cluster

In this article, I will show how to detect to which Hub Node is your Leaf Node connected to in an Oracle Flex Cluster scenario where you have multiple Hub Servers. First of all, let’s check our current scenario: [oracle@oranode3 ~]$ crsctl get node role status -all Node ‘oranode1’ active role is ‘hub’ Node ‘oranode2’ …

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