Category Archives: Security

RAC 12cR2 Cluster Bug: HANG DUE TO HIGH GC INDEX OPERATIONS/ENQ: TX ROW LOCK CONTENTION WAITS: Bug resolved via Patch 28023081

By Wadhah DAOUEHI | March 31, 2020 - 10:49 pm |March 31, 2020 High Availability, Linux, Oracle, Oracle 12c, Security

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Installing the patch 28023081 to resolve the Bug In Oracle database RAC 12.2.0.1 : HANG … Read More →

Patch 26609817: DATABASE RELEASE UPDATE 12.2.0.1.170814 (RAC)

By Wadhah DAOUEHI | March 31, 2020 - 10:32 pm |March 31, 2020 Linux, Oracle, Oracle 12c, Security

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Installing Oracle database 12.2.0.1 Patch 26609817 Step 1: Download the Patch from My Oracle Support … Read More →

Set-UP SELinux security Context of auditd destination on Oracle Linux, RHEL and CentOS

By Wadhah DAOUEHI | December 3, 2019 - 6:15 pm |December 3, 2019 Linux, Security

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This article explains the steps to Set-UP SELinux security Context of new auditd destination on … Read More →

Restore MySQL 5.7 Backup with MySQL Enterprise Backup MEB 4.1.0

By Wadhah DAOUEHI | May 10, 2019 - 1:46 am |May 26, 2019 Linux, MySQL, Security

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In this article, we are going to restore MySQL Server Backup with MySQL Enterprise Backup … Read More →

Install prerequisites for Oracle database 12R2 on Oracle Linux 7

By Wadhah DAOUEHI | May 23, 2018 - 11:20 pm |June 1, 2018 Linux, Oracle, Oracle Database, Security

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How to install the recommanded specifications/prerequistes system packages, kernel parameters and system security limits, for … Read More →

Move audit Trail table to created-user Tablespace with Oracle database 11g & 12c

By Wadhah DAOUEHI | October 30, 2017 - 5:11 pm |June 1, 2018 Oracle Database, Security

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This article explains how to move the audit table from the default tablespace to a … Read More →

Enable HugePages RHEL 7/OL 7 within Oracle Database 12c

By Wadhah DAOUEHI | October 21, 2016 - 8:32 am |June 1, 2018 Linux, Oracle, Oracle Database, Security

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This article explains how to set up the HugePage on Linux (RedHat 7, Oracle Linux … Read More →

Set up NTP Server on Linux Server

By Wadhah DAOUEHI | September 8, 2015 - 7:01 pm |June 1, 2018 Linux, Security

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This article describes the steps how to set up a NTP Server on your Local … Read More →

Mount an OCFS2 while the SELinux status on enforcing mode

By Wadhah DAOUEHI | February 15, 2014 - 12:00 pm |June 1, 2018 Linux, Oracle, Security

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Disclaimer: The steps described below have only been tested in a lab environment. Note: To … Read More →

Protect your data with file attributes

By Wadhah DAOUEHI | February 5, 2014 - 8:21 pm |June 1, 2018 Linux, Security

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  If you are the file’s owner this is not mean usually you can do … Read More →