what is docker image

Build a Docker registry private image to resolve the Docker private warehouse push error applies To: Docker 1.8 Environment: Centos7 Each version of the Docker modification configuration content is different, please be optimistic

When it comes to Docker, everyone should be familiar, from the beginning of 2013 to now, in just two years, quickly became the most popular open-source cloud computing project after OpenStack. So what causes Docker to be so hot? I am also interested, so I will use Docker to practice this series of blog posts, documenti

Basic Docker ImageWhat is Docker? Docker is an improved container technology. The specific "improvement" is embodied in the fact that Docker introduces an

in Docker hub$ sudo docker search Ubuntu$ # Delete a mirror$ sudo docker rmi Hello-world$ # Remove the image named $ sudo docker images | Grep"| Tr-s"'| cut-f3-d" "| sudo parallel docker rmi {}

$ sudo docker pull hello-world $ # tag an image, tag for an image is just like the reference count $ sudo docker tag hello-world myname/hello-world $ # push the image to docker hub $ s

Now many people to the computer to reinstall the system, will choose to put the mirror file into the U disk, then the mirror file for the system again play what role? The following small series for everyone to list out the use of U disk installation system will mirror into the benefits of U disk? As shown in the image above, we have a system image file st

In the 2013, the field of cloud computing became more of a noun "Docker". Known for its light weight, it's better to solve application packaging and deployment. We've been building IaaS before, but it's quite complex and complex to achieve unified functionality through IaaS. Encapsulation of particularity into the image to achieve an almost consistent deployment method, it

also know is a fusion, the other is to hide for the purpose of similar embedded fusion, the third is matting. Matting sometimes anti-righteousness into a cutout, in fact, its most original meaning is fusion. If you understandi = AF + (1-a) b This fusion formula, you should understand

Docker image, container, warehouse concept Docker mirroring Docker mirroring (image) is similar to a virtual machine image, and can be interpreted as a read-only template for the

1 First you have to prepare a hub account, go to https://hub.docker.com register it!2 Create a new warehouse at the hub, which is similar to the one on GitHub. Creation---> Create repository (Creating a knowledge Base) and then just a name, I'll call it Ubuntu, so the path is Wherein/ubuntu.3 Run Docker PS View container, here

Summary General idea: The Yum command installs Docker directly, downloads the desired image and launches 1, Environment, CENTOS7 Minimal 64-bit, Docker must have 64-bit system2. Install directly via Yum command, Yum installs Docker3. Start Docker and set it to boot(1) Start, systemctl start Docker.service(2) boot up,

1, Environment, CENTOS7 Minimal 64-bit, Docker must have 64-bit system2. Install directly via Yum command, Yum installs Docker3. Start Docker and set it to boot(1) Start, systemctl start Docker.service(2) boot up, systemctl enable Docker.service(3) Help, Docker--help(4) Overview information, Docker info(5) Mirror view,