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1.You need to create docker file first.Below is example of small test docker file. root@deb-VirtualBox:~# cat test_docker.file FROM centos:latest RUN yum update -y Here please note that FROM clause denotes first we need to pull centos image and RUN clause will run yum update on top of it. 2.Now I… Continue Reading DOCKER CONCEPT FOR DBA – PART 8 How to build docker image from docker file

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:… Continue Reading DOCKER CONCEPT FOR DBA – PART 7 Pull docker image from repository

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… Continue Reading DOCKER CONCEPT FOR DBA – PART 6 Installation of docker UCP

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… Continue Reading DOCKER CONCEPT FOR DBA– PART 5 Installation of Docker Swarm

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