Restore standard naming of network interfaces on Red Hat enterprise linux 7

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Disabling consistent network device naming To disable The consistent network device naming feature and create your own manual ma,ing scheme ,for example eth0,internet0 or lan0. Follow the below steps so that all network device names will be eth followed by an integer. Log in as root, or as a user with superuser privileges. Edit the GRUB 2 general settings file. …

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12c Data Guard : Resolve Log gap Error: ORA-16724: “cannot resolve gap for one or more standby databases”

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This error happened while my Lab standby server was unreachable for few days. Although my setup was built on top of a Windows environment, the resolution process stays the same here for fixing this error (using an RMAN incremental backup) . For more details about the Data Guard setup used in this example please refer …

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Deploying Oracle RAC Database 12c Lab on Red Hat Enterprise Linux 7 with Virtual Box -racattack Repack

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Introduction: This document provides a step-by-step deployment procedure with some of best practices to install and configure an Oracle Real Application Clusters (RAC) Database 12c Release 1 (12.1)* with Oracle ASM on Linux RedHat Entreprise 7 virtual machines (Virtualbox). Most of it is inspired by the RACAttack project  that was written collaboratively by many authors …

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70-462 Training Kit Setup Preparation: Hyper-V – SQL server 2012 on Windows server 2012 R2 – Part 2

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Here we are in the last section to configure the practice Setup . We will assume at this point that sysprep has been executed on the parent Vm as described in the first part of this Lab (see Part 1>>) and all the VMs have gone through setup process.  OS Configuration Overview This section is …

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70-462 Training Kit Setup Preparation: Hyper-V – SQL server 2012 on Windows server 2012 R2 – Part I

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Introduction: Training Kit (Exam 70-462): Administering Microsoft SQL Server 2012 Databases, states that 6 machines are needed in order to complete the lessons and exercises. Though I consider it an overkill for a database administration certification (especially when one only needs 3 machines to try out all or most of Oracle High availability features RAC …

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