Oracle Tutorial: Install Oracle 19c EE

Rajesh KumarI’m a DevOps/SRE/DevSecOps/Cloud Expert passionate about sharing knowledge and experiences. I have worked at Cotocus. I share tech blog at DevOps School, travel stories at Holiday…

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Oracle Tutorials: How to add additional user and grant his access in Oracle

Rajesh KumarI’m a DevOps/SRE/DevSecOps/Cloud Expert passionate about sharing knowledge and experiences. I have worked at Cotocus. I share tech blog at DevOps School, travel stories at Holiday…

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Oracle Tutorials: How to reset Oracle sysdba Password

The password for the SYSDBA account is stored securely in the Oracle database and cannot be retrieved. If you have forgotten the password for the SYSDBA account,…

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Oracle Tutorials: Command line reference

Rajesh KumarI’m a DevOps/SRE/DevSecOps/Cloud Expert passionate about sharing knowledge and experiences. I have worked at Cotocus. I share tech blog at DevOps School, travel stories at Holiday…

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Oracle Tutorials: Useful commands and env variable.

What is ORACLE_SID? ORACLE_SID is an environment variable used by Oracle Database to identify the unique system identifier (SID) of an Oracle instance. An Oracle instance is…

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Oracle Tutorial: How to check Oracle RAC is setup correctly and ready for use

There are several things you can check to ensure that Oracle RAC is set up correctly and ready for importing a .dmp file: By verifying these things,…

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Oracle Tutorials: List of Tools and their usage

What is Asmcmd? ASMcmd is a command-line utility provided by Oracle ASM (Automatic Storage Management) that enables system administrators to manage Oracle ASM instances. It provides a…

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Oracle Tutorials: Complete Guide of Oracle Import using impdp

Data Pump Import supports various import modes Yes, Oracle Data Pump Import (impdp) supports various import modes. Here are the different modes of import that are supported…

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AWS Tutorials: How to activate AWS EC2 Session Manager?

What is AWS Session Manager? AWS Session Manager is a managed service provided by Amazon Web Services (AWS) that enables secure and seamless access to instances in…

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Top 10 Website Development Company in Bangalore / Bengaluru

CMSGalaxy: CMSGalaxy is a website development company in Bangalore that specializes in building websites with content management systems like WordPress, Drupal, and Joomla. CMSGalaxy is one of…

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Step by Step guide to enable Compression in WordPress

Enabling compression in WordPress can help reduce your website’s file sizes and improve its performance by compressing your HTML, CSS, and JavaScript files before sending them to…

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Gerrit Setup using Tomcat and Mysql

MySQL database CREATE USER ‘gerrit’@’localhost’ IDENTIFIED BY ‘gerrit’; CREATE DATABASE gerritdb; ALTER DATABASE gerritdb charset=latin1; GRANT ALL ON gerritdb.* TO ‘gerrit’@’localhost’; FLUSH PRIVILEGES; exit; Apache Configuration sudo…

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Git/Gerrit Installation and Setup

Rajesh KumarI’m a DevOps/SRE/DevSecOps/Cloud Expert passionate about sharing knowledge and experiences. I have worked at Cotocus. I share tech blog at DevOps School, travel stories at Holiday…

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The Main Challenges of Metaverse Game Development

The news about tech giants investing in metaverse development ignited a lot of discussions about its potential use cases. GameDev has turned up at the forefront of…

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Minikube Tutorials: minikube commands

minikube config The command you provided, minikube config set memory 10000, will set the default memory allocation for new Minikube clusters to 10 gigabytes (10000 megabytes). If…

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AWS SAM CLI Getting started guide

AWS SAM CLI (Serverless Application Model Command Line Interface) is an open-source command-line tool that makes it easy to build, test, and deploy serverless applications on AWS….

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Plagiarism Prevention in Online Learning Environments. Challenges for Teachers

Today, everybody knows that plagiarism means using someone else’s work, ideas, or words without giving them proper credit. It is like stealing someone else’s intellectual property, which…

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A Comparative Review of Edubirdie’s Services and Expertise of Edubirdie’s Writers

In college, students usually have a hard time staying on top of things. They have to prepare for upcoming exams, attend classes, participate in extracurricular activities, and…

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Oracle Tutorial: Oracle Real Application Clusters and Oracle Clusterware

Rajesh KumarI’m a DevOps/SRE/DevSecOps/Cloud Expert passionate about sharing knowledge and experiences. I have worked at Cotocus. I share tech blog at DevOps School, travel stories at Holiday…

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Oracle Tutorials: How to configure high availability in oracle?

What is high availability? High availability (HA) refers to the ability of a system or service to remain operational and accessible to users, even in the event…

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What is major difference between RHEL 7, RHEL 8 and RHEL 9?

RHEL 7 and RHEL 9 are both major releases of the Red Hat Enterprise Linux operating system. The major differences between RHEL 7 and RHEL 9 are…

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Packer Tutorials: Packer Install and configurations

Mac Windows https://releases.hashicorp.com/packer/1.8.6/packer_1.8.6_windows_amd64.zip Step 1 – Download and Extract at c:/tools/packer Step 2 – Add “c:/tools/packer” into env PATH variable Ubuntu Centos Rajesh KumarI’m a DevOps/SRE/DevSecOps/Cloud Expert…

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Packer Tutorials: Hashipcorp Packer workflow

The workflow for using HashiCorp Packer typically involves the following steps: Rajesh KumarI’m a DevOps/SRE/DevSecOps/Cloud Expert passionate about sharing knowledge and experiences. I have worked at Cotocus….

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Packer Tutorials: Packer Commands reference with its use cases & Example

HashiCorp Packer is a tool for creating machine images that can be used with various cloud providers, virtualization platforms, or container systems. Here are some of the…

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Packer Tutorials: List of Provisioner in hashicorp packer Post-processors

In HashiCorp Packer, post-processors are used to perform additional actions after the machine image has been created by the builder and provisioners. These actions can include compressing…

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Packer Tutorials: List of Provisioner in Hashicorp Packer?

HashiCorp Packer is a tool for creating machine images that can be used with various cloud providers, virtualization platforms, or container systems. In addition to the builders,…

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Packer Tutorials: List of Builder in Hashicorp Packer?

HashiCorp Packer is a tool for creating machine images that can be used with various cloud providers, virtualization platforms, or container systems. Packer uses a builder to…

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Github Tutorials: How to Generate PAT in Github?

What is Github PAT? GitHub PAT (Personal Access Token) is a type of authentication token that provides a secure way to access GitHub’s API and perform actions…

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AWS Tutorials: 𝐀 Design & S𝐭𝐫𝐚𝐭𝐞𝐠𝐲 𝐟𝐨𝐫 𝐚𝐜𝐭𝐢𝐯𝐞/𝐩𝐚𝐬𝐬𝐢𝐯𝐞 𝐦𝐮𝐥𝐭𝐢-𝐬𝐢𝐭𝐞 𝐢𝐦𝐩𝐥𝐞𝐦𝐞𝐧𝐭𝐚𝐭𝐢𝐨𝐧

Rajesh KumarI’m a DevOps/SRE/DevSecOps/Cloud Expert passionate about sharing knowledge and experiences. I have worked at Cotocus. I share tech blog at DevOps School, travel stories at Holiday…

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Container Runtime Interface (CRI-O) workflow

Let’s break the workflow : ✅ When a request comes to start a #container, #kubelet calls the CRI that invokes the internal CRI-O daemon in the #kernel✅…

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