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 19.24 Installation on Oracle Linux 9.4 Mind Map

Posted on by Ahmed Abdel Fattah

The following mind map highlights the key steps to install Oracle Database 19.24 on Oracle Linux 9.4 Please note that installation of Oracle database 19.3 on Oracle Linux 9.4 is a little bit different.As the base release 19.3 is a little-bit old compared to Oracle Linux 9.4, then we have to apply the release update … Continue reading Oracle Database 19.24 Installation on Oracle Linux 9.4 Mind Map

Find the largest Top 10 Files and Directories on Linux/Unix

Posted on by Ahmed Abdel Fattah

To find the top 10 files and directories in the current directory, we will use the "du" command with some options, along with the "sort" command to list the sizes in descending order, along with the "head" command to get only the top 10 items. Example:(output in K Bytes) Note the following "du" command options:-c … Continue reading Find the largest Top 10 Files and Directories on Linux/Unix

Virtual Machine with Oracle Database 12c R2 12.2 and Oracle Restart

Posted on by Ahmed Abdel Fattah

https://youtu.be/qsepeUPQ-JU For more information on how to get this VM and other similar machines, please refer to:https://ahmedfattah.com/2020/06/13/oracle-virtual-machines-for-sale/ ThanksAhmed

Oracle Virtual Machines for Sale !

Posted on by Ahmed Abdel Fattah

Are you looking for a virtual machine to do some hands-on labs or practice something (i.e. for Educational purposes}? Do you have the time to build these virtual machines yourself? Below are some really nice Virtual Machines, that I invested allot of time to build on Oracle Virtual Box, and that I used them personally … Continue reading Oracle Virtual Machines for Sale !

Removing Oracle Database Software 12.2 (Grid + Database)

Posted on by Ahmed Abdel Fattah

I have an Oracle Restart virtual machine that has both Oracle grid Infrastructure 12cR2 (12.2) and Oracle Database 12c R2 (12.2) + one CDB database called "orcl". I need to fully remove all oracle components from this machine. About the Deinstallation Tool Starting with Oracle Database 12c, the deinstallation tool is integrated with the database … Continue reading Removing Oracle Database Software 12.2 (Grid + Database)

Protected: Oracle RAC 12c Installation on Linux

Posted on by Ahmed Abdel Fattah

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