Azure VMs

Step-By-Step Deploy Azure Virtual Machines In Availability Set

When we create two Virtual Machines (VMs) across the Fault Domain in the Availability Set, it will increase the availability of your Applications to 99.95%. On the other hand, the Availability Zones allow you to deploy your VMs into different data centers within the same region, so you get 99.99% uptime. So, what exactly is […]

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Oracle Cloud Infra [1Z0-1072] Certification For Architects

Hear us when we say Oracle Cloud (OCI) is everywhere whether it is Zoom, 8×8, Air Asia, Michelin, Vodafone, Xerox, Airtel, Netflix & many more. Things are moving from On-Premise to Cloud and so are DBAs, Apps DBAs, System Administrators, Network, Storage & Security Admins & Architects, and everyone working On-Premise. The 1Z0-1072- Oracle Cloud […]

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Microsoft Azure Architect

[AZ-300] Microsoft Azure Architect Training: Step By Step Activity Guides/Hands-On Lab Exercise

The Azure Architect should have advanced experience and knowledge across various aspects of IT operations, including networking, virtualization, identity, security, business continuity, disaster recovery, data management, budgeting, and governance. Check out k21academy’s blog post at to find out all about our Hands-On Lab exercises that help you prepare for the certification course as well […]

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Invalid File Operation

[Solved]Upgrading Oracle Apps (EBS) To 12.2 ? ORA-29283: Invalid File Operation

While running an American English Upgrade patch driver, when upgrading to Oracle EBS R12.2, if you are facing the error: ORA-29283: Invalid File Operation Then check out our post at in which we cover: · ISSUE of the Error while running the American English update patch driver · Root Cause of the Error · […]

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EBS Upgrade R12.2

EBS R12.2 Upgrade High Level Overview/Steps

Oracle has announced on October 18, 2019, they were moving to a Continuous Innovation support model for Oracle E-Business Suite 12.2 and that there will be no 12.3 release. At the Moment Only EBS R12.1.3 & R12.2.3+ Is Supported To know more check out our post at This post covers a high-level overview of […]

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Oracle E-Business Suite 19c Database

19c Database In Oracle EBS R12: Everything You Must Know

Oracle has recently announced the release of Oracle E-Business Suite 19c Database. With the Database 19c certification, EBS 12.2 on-premises databases are now certified with the CDB architecture (multitenant architecture). Check out K21 Academy post at which covers: • Overview Oracle Database 19c • What’s New for EBS with Oracle Database 19c • R12.x […]

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EBS Upgrade R12.2

[Solved]Upgrade Oracle Apps (EBS) to 12.2 ? ORA-01804: Failure To Initialize Timezone Information – Issue While Running AutoConfig

While running Autoconfig on DB Tier after upgrading the database, if you are facing the error ORA-01804: failure to initialize timezone information. Then check out our post at in which we cover: ·        Issue While running Autoconfig ·        Error messages in AutoConfig logs ·        FIX of the Error Begin your journey towards becoming an Oracle EBS Upgrade R12.2 by […]

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Oracle EBS Cloud Manager

Oracle EBS Cloud Manager: New Release (20.1.1) Is Now Available

Oracle has announced the latest release of Oracle EBS for Oracle Cloud Infrastructure i.e 20.1.1. with DB 19c. The main highlight of this new release is its support to Database 19c. To know more about this, check our blog post at, which covers: • EBS Cloud Manager Overview • De-supported Features in Oracle EBS […]

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Service Level Agreement

Service Level Agreement (SLA) In Oracle Cloud (OCI)

Before deploying an application in Oracle Cloud, a customer may want to know what services will be offered by the Oracle Cloud. For this, an Agreement has been done between provider and customer called SLA. To know more about this check our blog post at, which covers: • Overview of SLA in Oracle Cloud […]

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Kubernetes Administrator

Certified Kubernetes Administrator (CKA) Certification Training: Step By Step Activity Guides/Hands-On Lab Exercise

Certified Kubernetes Administrator (CKA) is designed for who is new to Kubernetes and want to learn administration on Kubernetes. The responsibility of Kubernetes Administrator is to Launching & manage Container, manage networking between containers, storage, DNS, and Upgrading And Rollback Application, Bootstrap a Kubernetes Cluster Using KubeAdm, Load Balancing, Deploying Stateful Application and Much-More. Check […]

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