Patching Oracle Linux against CVE-2023-48795 Vulnerability on Air-Gapped Servers

Posted on by Ahmed Abdel Fattah

We’ve all been there. That email from the security team lands in your inbox, or a routine scan flags a new, critical vulnerability. This time, it’s CVE-2023-48795, also known as the "SSH Terrapin Prefix Truncation Weakness." It sounds intimidating, and the thought of a man-in-the-middle attack. For many, the fix is straightforward. But what if … Continue reading Patching Oracle Linux against CVE-2023-48795 Vulnerability on Air-Gapped Servers

Oracle Data Integrator (ODI) 12.2.1.4.0  Installation on Oracle Linux 9.4

Posted on by Ahmed Abdel Fattah

In this post, you will find all the details to install Oracle Data Integrator 12.2.1.4.0 on Oracle Linux 9.4, plus creating the back end repositories (Master & Work repositories). Also, you find the steps to create a standalone agent along with its standalone domain and how to start/stop it. Environment Details ItemValueRemarksServer NameHOST-01 IP11.11.11.11 CPU #2 Memory32 GB Storage150 … Continue reading Oracle Data Integrator (ODI) 12.2.1.4.0  Installation on Oracle Linux 9.4

OHUC-1026 : unable to authenticate the new password

Posted on by Ahmed Abdel Fattah

One of my clients faced the following error, while starting an 12.2 database service on Windows:OHUC-1026 : unable to authenticate the new password Background: The client was trying to change the Oracle Home User password using the orahomeuserctl, after that he was not able to start the Database Windows Service. What is Oracle Home User? … Continue reading OHUC-1026 : unable to authenticate the new password

opatch version failed with error: Java (1.7) could not be located. OPatch cannot proceed!

Posted on by Ahmed Abdel Fattah

BackgroundI asked one of my colleagues to download the latest opatch patch, in preparation to patching one oracle database 19c home on Oracle Linux platform (8.8).The old utility has version: 12.2.0.1.17 The latest downloaded utility has version: OPATCH_VERSION:12.2.0.1.40 Usually, I start by renaming the old OPatch directory, then extracting the new version under Oracle Home.This … Continue reading opatch version failed with error: Java (1.7) could not be located. OPatch cannot proceed!

Oracle Database Cloud Service Provisioning is very slow

Posted on by Ahmed Abdel Fattah

While creating an oracle Database cloud service (or the new name “Oracle Base Database”): and after passing all the required information, and then clicking “Create DB System”, it started to provision the database system: The problem here is that it takes very long time to provision, I waited for 1 hours, 2,3,4 hours without luck. I … Continue reading Oracle Database Cloud Service Provisioning is very slow

Change “Value” Column Width for “show parameter” in sqlplus

Posted on by Ahmed Abdel Fattah

If you tried to increase the width of the "VALUE" column, nothing changed: I found that the NAME & Value columns have special names (for type column , it is normal): column NAME_COL_PLUS_SHOW_PARAM format A20column VALUE_COL_PLUS_SHOW_PARAM format A80 Now, it is fine.