Author: Monowar Mukul (AWS Certified Solutions Architect Professional, GCP Professional Cloud Architect, Azure Solutions Architect Expert ) Co-Author & Reviewer: Nassyam Basha (Oracle ACE Director, OCM) Introduction We hear a lot from cloud professionals, that if we are proficient with any one cloud adaption of other clouds is a piece of…

There are different types of backup and restore for the PostgreSQL database as below — PostgreSQL Logical Backup SQL dump (or Logical) PostgreSQL Physical Backup File system-level backup (or Physical) Continuous archiving (or Point In Time Recovery) In this article I will go through with Logical backup and physical backup…

Getting Started with Azure Databricks: Creating a Workspace and Configuring a Spark Cluster Introduction: Azure Databricks is a powerful data analytics platform provided by Microsoft in collaboration with Databricks. It integrates with various Azure services and offers three primary environments for developing data-intensive applications: Databricks SQL, Databricks Data Science &…

In this blog I will summarise how you can create free tier account to get hands-on experience with diferent service provided by the cloud vendors. Please note — not all the services will be available with free tier account but enough to get familirise yourself into the respective cloud services. …

Author & Course Instructor: Monowar Mukul (OCM) Oracle 21c was initially released in Dec’2020 for Cloud and then later 21c was officially released on on-premises as well. The intention of this article is, I would like to provide 10 FREE videos exclusively on Oracle Data Guard with around 3.6 Hours. …

In this tutorial, I will go through for removing a worker node from the cluster and then completing uninstall from the Kubernetes cluster. From the master node - i) List the nodes and get the <node-name> you want to from the cluster kubectl get nodes -o wide ii) Drain…

In this tutorial, I will go through for creating a new token before adding a node to the Kubernetes cluster. When we initialize Kubernetes on Master node using “kubeadm init”, at the bottom section it presents the node join command which includes a token and a hash.

The master/slave database replication is a process of copying (syncing) data from a database on one server (the master) to a database on another server (the slaves). The main benefit of this process is to distribute databases to multiple machines, so when the master server has a problem, there is…

Docker is an open-source platform where we can create, deploy, and run applications by using containers. Docker is similar to virtual machines (VM), but in addition, Docker allows applications to use the system kernel instead to create a virtual operating system. In this article, I will deploy a PostgreSQL database…