Oracle DBaaS 1z0-160 part 3:-Best Practise to be followed for cloud deployment

Do not create additional installations of Oracle Database software.Each deployment comes with Oracle Database software already installed. Do not create additional Oracle databases. Do not change fundamental characteristics of the database, such as the DB name (SID). Use only cloud tooling to update the password of the SYS and SYSTEM database users. Apply only patchesContinue reading Oracle DBaaS 1z0-160 part 3:-Best Practise to be followed for cloud deployment

DOCKER CONCEPT FOR DBA – PART 7 Pull docker image from repository

Docker hub is repository of images for Community Edition. 1.Checking docker images available in server [root@debasiseric3 ~]# docker images REPOSITORY TAG IMAGE ID CREATED SIZE 2.Let me try to pull a demo project [root@debasiseric3 ~]# docker pull hello-world Using default tag: latest latest: Pulling from library/hello-world 9bb5a5d4561a: Pull complete Digest: sha256:f5233545e43561214ca4891fd1157e1c3c563316ed8e237750d59bde73361e77 Status: Downloaded newer imageContinue reading DOCKER CONCEPT FOR DBA – PART 7 Pull docker image from repository

DOCKER CONCEPT FOR DBA – PART 6 Installation of docker UCP

This document will explain docker UCP for Enterprise grade cluster management What is Docker UCP Docker Universal Control Plane (UCP) is the enterprise-grade cluster management solution from Docker. You install it on-premises or in your virtual private cloud, and it helps you manage your Docker swarm and applications through a single interface. Universal Control PlaneContinue reading DOCKER CONCEPT FOR DBA – PART 6 Installation of docker UCP

Oracle DBaaS 1z0-160 part 2:-How to subscribe to Oracle cloud free

Register for free subscriptions 1.Please type url to your favorite browser https://cloud.oracle.com/home 2.Click on green button 3.Please click on “Create a Free Account” 4.Please fill all details along with your credit card information   Note:-Please select among following region(Default Data Region).If you select EMEA or NA you will get more options like RAC with DataguardContinue reading Oracle DBaaS 1z0-160 part 2:-How to subscribe to Oracle cloud free

Oracle DBaaS 1z0-160 part 1:-Oracle DBaaS cloud services overview

Oracle DBaaS cloud services overview A.Oracle DBaaS cloud services level A.1 The Oracle Database Cloud Service – Virtual Image —You have to install this software yourself, and you are responsible for all maintenance operations for this software. You have root privilege, so you can load and run software in the compute environment. You have fullContinue reading Oracle DBaaS 1z0-160 part 1:-Oracle DBaaS cloud services overview

KBHS-00712: ORA-29024 received from local HTTP service during backup in RAC Oracle cloud

KBHS-00712: ORA-29024 received from local HTTP service during backup in RAC Oracle cloud The backup of Oracle RAC DBaaS may fail during manual as well automatic backup. If you manually invoke following command,The backup may not get successful. Login to opc. [opc@pocracdemo1 ~]$ raccli describe job 17 {   “requestStatus” : “SUCCESS”,   “jobStatus” :Continue reading KBHS-00712: ORA-29024 received from local HTTP service during backup in RAC Oracle cloud

DOCKER CONCEPT FOR DBA– PART 5 Installation of Docker Swarm

What is a docker swarm? A swarm consists of multiple Docker hosts which run in swarm mode and act as managers (to manage membership and delegation) and workers (which run swarm services). A given Docker host can be a manager, a worker, or perform both roles. When you create a service, you define its optimal state (number ofContinue reading DOCKER CONCEPT FOR DBA– PART 5 Installation of Docker Swarm

Docker concept for DBA- part 4 Install demo docker and test

Docker concept – part 4 Install demo docker and test [user@debasiseric1 ~]$ sudo su – [sudo] password for user: Last login: Mon Apr 9 12:20:36 UTC 2018 on pts/0 [root@debasiseric1 ~]# cd /etc/docker [root@debasiseric1 docker]# docker images REPOSITORY TAG IMAGE ID CREATED SIZE centos 6 70b5d81549ec 3 days ago 195MB We need to pull theContinue reading Docker concept for DBA- part 4 Install demo docker and test

DOCKER CONCEPT FOR DBA -PART 3 device mapper for Dcoker

DOCKER Use the Device Mapper storage driver Device Mapper is a kernel-based framework that underpins many advanced volume management technologies on Linux. Docker’s devicemapper storage driver leverages the thin provisioning and snapshot capabilities of this framework for image and container management. This article refers to the Device Mapper storage driver as devicemapper, and the kernel framework as Device Mapper.Continue reading DOCKER CONCEPT FOR DBA -PART 3 device mapper for Dcoker

docker concept for DBA-part-2 Run docker for non-privileged user (Other than root)

You need to change group to docker for user (non-privileged user) otherwise you get following error:- [user@debasiseric1 ~]$ docker images Got permission denied while trying to connect to the Docker daemon socket at unix:///var/run/docker.sock: Get http://%2Fvar%2Frun%2Fdocker.sock/v1.37/images/json: dial unix /var/run/docker.sock: connect: permission denied Now I will login to root sudo su – cd /var/run [root@debasiseric1 run]#Continue reading docker concept for DBA-part-2 Run docker for non-privileged user (Other than root)