Author Archives: Wadhah DAOUEHI

Database SQL; Delete vs Truncate and segment size allocated

By Wadhah DAOUEHI | August 31, 2014 - 10:24 pm |June 1, 2018 Oracle, Oracle Database, SQL

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This article shows the differences between SQL commands delete and truncate in Oracle Database with … Read More →

DNS configuration to use the SCAN with Oracle RAC Database

By Wadhah DAOUEHI | April 25, 2014 - 12:20 am |June 1, 2018 High Availability, Linux, Oracle

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This article explains how to set up a DNS configuration on Red Hat Enterprise Linux. … Read More →

SAN (iSCSI) and Device-Mapper Multipathing !

By Wadhah DAOUEHI | April 9, 2014 - 2:07 pm |June 1, 2018 High Availability, Linux

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This article explains how to set up a Device-Mapper Multipath, without DM-Multipath, each path from … 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 →

SAN and OCFS2 over IP Multipathing (bonding) on two Ethernet cards

By Wadhah DAOUEHI | February 12, 2014 - 11:42 pm |June 1, 2018 High Availability, Linux, Oracle

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Disclaimer: The steps described below have only been tested in a lab environment. ORACLE Linux … 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 →

Part 2: Boot Linux Server from LAN using iSCSI

By Wadhah DAOUEHI | December 21, 2013 - 9:22 am |June 1, 2018 Linux

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Part 1: Install Linux Server on iSCSI disk Part 2: Boot Linux Server from LAN … Read More →

Part 1: Install Linux Server on iSCSI disk over Network

By Wadhah DAOUEHI | November 29, 2013 - 3:50 am |June 1, 2018 Linux

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Part 1: Install Linux Server on iSCSI disk Part 2: Boot Linux Server from LAN … Read More →

Set up an automatically Oracle database backup with expdp!

By Wadhah DAOUEHI | November 17, 2013 - 1:21 am |June 1, 2018 Linux, Oracle

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  This article explains how to create an automatically backup for an Oracle schema. This … Read More →

VLAN: Set up 802.1q VLAN trunk in CentOS & RedHat

By Wadhah DAOUEHI | November 10, 2013 - 11:02 am |June 1, 2018 Linux

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  This article explains how to set up a VLAN trunk configuration in CentOS and … Read More →