KTEXPERTS – KNOWLEDGE SHARING PLATFORM

Articles

DevOps Articles

Please check below articles to get good knowledge on DevOps Technology. SNO DESCRIPTION ARTICLE LINK 1 Introduction to DevOps https://www.ktexperts.com/brief-introduction-on-devops/ 2 Introduction to Linux https://www.ktexperts.com/introduction-to-linux/ 3 Basic Linux Commands for DevOps (PART-1) https://www.ktexperts.com/basic-linux-commands-for-devops-part-1/ 4 Linux Basic Commands for DevOps (PART-2) https://www.ktexperts.com/linux-basic-commands-for-devops-part-2/ 5 Introduction to Git… Read More

Roles in Ansible

4 days ago by Ramesh AtchalaAnsible

What are Ansible Roles? Ansible roles consists of many playbooks.Roles are way to group multple tasks together into one container to do the automation in very effective manner with clean directory structure.A role directory structure contains directories: defaults, vars, tasks, files, templates, meta, handlers. Each… Read More

How to Establish Passwordless SSH Connection Between Ansible Server and Hosts

4 days ago by Ramesh AtchalaAnsible

Dear Readers, In this article, we will see Establish Passwordless SSH Connection Between Ansible Server and Hosts. Steps to Follow Test Environment Setup in Ansible Server “Ansible” Create a new user “kt-ansible” and set a password for the user. Add user “kt-ansible” to the sudo… Read More

Push Code From Ansible Server to Hosts by using Modules (Method-3)

4 days ago by Ramesh AtchalaAnsible

In this article,we will see Push Code From Ansible Server to Hosts by using Modules. We push the code from ansible server to hosts by using modules.We execute the modules by running playbooks. Modules Ansible modules are discrete units of code which can be used from… Read More

Push Code From Ansible Server to Hosts by using Single Module (Method-2)

4 days ago by Ramesh AtchalaAnsible

Dear Readers, In this article,we will see Push Code From Ansible Server to Hosts by using Single Module. Modules Ansible modules are discrete units of code which can be used from the command line or in a playbook task. The modules also referred to as task… Read More

Push Code From Ansible Server to Hosts by using Ad-Hoc (Method-1)

4 days ago by Ramesh AtchalaAnsible

Dear Readers, In this article,we will see Push Code From Ansible Server to Hosts by using Ad-Hoc. What are Ad-Hoc Commands? The Ad-Hoc command is the one-liner ansible command that performs one task on the target host. Use ad-hoc tasks really quick & don’t want to… Read More

Ways to Push Code From Ansible Server to Hosts

4 days ago by Ramesh AtchalaAnsible

Dear Readers. In this article,we will see Ways to Push Code From Ansible Server to Hosts. Generally we push the code from ansible server to hosts by using following ways. Ad-Hoc Commands Single Module Modules (More than one module) 1. Ad-Hoc Commands The Ad-Hoc… Read More

Launch 2 Hosts and Set-Up in Inventory File

4 days ago by Ramesh AtchalaAnsible

Dear Readers, In this article,we will see Launch 2 Hosts and Set-Up in Inventory File. What is Inventory file? Ansible works against multiple managed hosts in your infrastructure at the same time, using a list or group of lists is known as the… Read More

How to Install Ansible in Amazon Linux Machine

4 days ago by Ramesh AtchalaAnsible

How to Install Ansible in Amazon Linux Machine Dear Readers, In this article,we will see Install Ansible in Amazon Linux Machine. Steps to Follow Launch Ansible Machine. Connect to Ansible Linux EC2 Terminal through Putty. Switch to root user. Update Server Packages. Install the ansible.… Read More

Performing Flashback Restore on Oracle 19c Two Node RAC Servers

1 week ago by Ajay KumarOracle 19c RAC

Hello Readers, In this article , we will see Performing Flashback Restore on Oracle 19c Two Node RAC Servers. When the time of Testing applications or Checking performance issues on databases , As a DBA we need to restore the databases to the previous states.… Read More

Cloning a virtual machine and How to add shared storage.

3 weeks ago by Ajay KumarOracle 19c RAC

Dear Readers, In this article we will see how to clone a virtual machine and will add shared storage for both the machines. Please check previous article Node Preparation for 19c RAC Installation (Installing Vmbox tools,Configuring Network,Installing ASMLIBs & Packages) How to clone a virtual… Read More

Oracle 18C new feature: Private Temporary Tables

3 weeks ago by Adityanath DewoolkarOracle DB Admin

Dear Readers, In this article we will focus on new feature that has been introduced in Oracle 18C that is “Private Temporary Table”. Private temporary tables are temporary database objects that are dropped at the end of end of a session or transaction depending on… Read More

Node Preparation for 19c RAC Installation (Installing Vmbox tools,Configuring Network,Installing ASMLIBs & Packages)

4 weeks ago by Ajay KumarOracle 19c RAC

Dear Readers, In this article we will see Node Preparation for 19c RAC Installation (Installing Vmbox tools,Configuring Network,Installing ASMLIBs & Packages) Please check previous article Installing Linux 7.5 on Virtual Box Machine (RAC Node 1) Installing Vmbox tool Login as root user. Provide Authentication details. Goto… Read More

Installing Linux 7.5 on Virtual Box Machine (RAC Node 1)

4 weeks ago by Ajay KumarOracle 19c RAC

Dear Readers, In this article we will see Installing Linux 7.5 on Virtual Box Machine(RAC Node 1). Please check previous article Installing Oracle Virtual Box on WINDOWS and Creating Virtual machine Download the ISO Image use below link https://drive.google.com/open?id=1EeqxTB0Gv_HUT0_Uyu_kP4ZoBk317ip_ Upload the ISO image file Start… Read More

Installing Oracle Virtual Box on WINDOWS and Creating Virtual machine

4 weeks ago by Ajay KumarOracle 19c RAC

Dear Readers, In this article we will see Installing Oracle Virtual Box on WINDOWS and Creating Virtual machine Oracle VM VirtualBox is a free and open-source hosted hypervisor for x86 virtualization, developed by Oracle Corporation. Created by Innotek GmbH, it was acquired by Sun Microsystems… Read More

Oracle 18C new feature: Cancel SQL instead of killing session

1 month ago by Adityanath DewoolkarOracle DB Admin

Dear Readers, In this article we will focus one of the most remarkable feature that has been introduced in Oracle 18C that is “now you can cancel SQL statement without killing session”. Prior 18C, DBA’s had to kill a DB sessions to get rid of… Read More

Oracle 18C new feature: Schema Only Account

1 month ago by Adityanath DewoolkarOracle DB Admin

This article focuses on Oracle 18C new feature: Schema Only Account. This allows schemas can be created without a password from Oracle Database 18C. BACKGROUND: Schema is a collection of objects, while DB user is an account to connect to instance. Till Oracle 12C, Oracle… Read More

How to Make Image to Private and Pull from Docker Hub

1 month ago by Ramesh AtchalaDevOps

Dear Raeders, In this article,we will see Make Image to Private and Pull from Docker Hub then create container from the image. Steps to Follow Logging to Docker Hub Account and make image to private (Graphically). Connect to Docker Linux EC2 Terminal through Putty. Switch to… Read More

How to Store Docker Image in Docker Hub

1 month ago by Ramesh AtchalaDevOps

Dear Readers, In this article,we will see Store our own docker Images in Docker Hub and create a container from image. Steps to Follow Create our own Docker Image Create a container “ktexperts-container” with image “ubuntu”. Make a New Directory “ktexperts” and create files inside the… Read More

How to Create Docker Hub Account

1 month ago by Ramesh AtchalaDevOps

Dear Readers, In this article,we will see Create Docker Hub Account. Create Docker Hub Account First,we need to go Docker Hub main page by using below link. https://hub.docker.com/ Click on Sign Up for Docker Hub. Create a Docker ID Provide required details and click on Sign… Read More

More Latest News »

Installation of PostgreSQL 11.4 On Windows Platform

Introduction to Oracle RAC Environment

Moving Online Data files in Oracle Database 12c Release 1

DIFFERENCE BETWEEN ORACLE AND MySQL -04

Key structures in Cassandra

SQL Server : Enable Instant File Initialization

Articles

DevOps Articles

Roles in Ansible

How to Establish Passwordless SSH Connection Between Ansible Server and Hosts

Push Code From Ansible Server to Hosts by using Modules (Method-3)

Push Code From Ansible Server to Hosts by using Ad-Hoc (Method-1)

Ways to Push Code From Ansible Server to Hosts

Launch 2 Hosts and Set-Up in Inventory File

How to Install Ansible in Amazon Linux Machine

Performing Flashback Restore on Oracle 19c Two Node RAC Servers

Cloning a virtual machine and How to add shared storage.

Oracle 18C new feature: Private Temporary Tables

Node Preparation for 19c RAC Installation (Installing Vmbox tools,Configuring Network,Installing ASMLIBs & Packages)

Installing Linux 7.5 on Virtual Box Machine (RAC Node 1)

Installing Oracle Virtual Box on WINDOWS and Creating Virtual machine

Oracle 18C new feature: Cancel SQL instead of killing session

Oracle 18C new feature: Schema Only Account

How to Make Image to Private and Pull from Docker Hub

How to Store Docker Image in Docker Hub

How to Create Docker Hub Account