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 Database 19c Release Updates (RUs) and Release Update Revisions (RURs)

Posted on by Ahmed Abdel Fattah

Following is a list of all RU (Release Updates) and RUR (Release Update Revisions) issued for the Oracle Database 19c (19.3) since Apr-2019 till today 24-Jun-2021. Please zoom-in to see the above picture clearly, or see it partitioned below: Please note that:– Both RUs & RURs are released quarterly (Jan, April , Jul & Oct).– … Continue reading Oracle Database 19c Release Updates (RUs) and Release Update Revisions (RURs)

opatch error \QuickTime\QTSystem\QTJava.zip was unexpected at this time.

Posted on by Ahmed Abdel Fattah

When trying to run opatch on windows, I got the following error: \QuickTime\QTSystem\QTJava.zip was unexpected at this time. After some research, I found that this error is due to spaces in the value of the CLASSPATH variable. Here, we have a couple of solutions: Solution #1 Remove "C:\Program Files (x86)\QuickTime\QTSystem\QTJava.zip" from the CLASSPATH, we don't … Continue reading opatch error \QuickTime\QTSystem\QTJava.zip was unexpected at this time.

Oracle Fail Safe 4.2.1 Implementation Plan on Windows 2016 and Oracle 12cR2

Posted on by Ahmed Abdel Fattah

Following is the high level plan of Fail Safe 4.2.1 implementation on Windows 2016 and Oracle Database 12cR2 (12.2.0.1). System Administrator Activities: Database Administrator Activities: ThanksAhmed

OPatch error : “Unable to lock Central Inventory”

Posted on by Ahmed Abdel Fattah

While applying Patch 31210848 "Microsoft Windows 32-Bit & x86-64 Bundle Patch 12.2.0.1.200714" on database 12.2.0.1on Windows platform I got the following error: Unable to lock Central Inventory. OPatch will attempt to re-lock. Solution: I opened another command window as Administrator, and applied the patch again. This time, it completed successfully without errors: For Windows platform, … Continue reading OPatch error : “Unable to lock Central Inventory”