The container interconnect in Docker is a more complex topic, and the details are described in the following sections. To continue with the first 2 chapters, we created a MySQL container and a tomcat container that can use "docker ps" to see their status.[Email protected] ~/
, the connection determines the container by the container name, and the custom container name is recommended when starting the container.
Through the –link option to establish a container connection, not only to avoid the container's I
Alpine Linux's official website:http://www.alpinelinux.org/#官方Https://pkgs.alpinelinux.org/packages #官方提供的安装包查询When you use Docker to create a container, the underlying image typically chooses Ubuntu or CentOS, regardless of the size of the image above 100MB.Alpine Linux is a security-oriented, lightweight Linux distribution.Alpine Linux employs musl libc and busybox to reduce the volume and runtime resourc
About Docker Core ConceptsMirroring is a read-only template for the Docker engine that contains the file system.Mirroring is the basis for creating a container that resembles a sandbox for running and isolating applications.A container is a running instance of an application created from a mirror, which can be started,
The Ros container in Docker is connected to the remote ROS host
Docker is currently a popular open-source application container engine, and ROS (robot operating system) is a popular robotic operating system. In combination, it is a possibility to study the cloud robot. 1. Preparation
(1) Two computers AB, preferably i
Dockerfileis the raw material of the software, Docker镜像 is the delivery of the software, but it Docker容器 can be considered as the operating state of the software. From the perspective of application software, Dockerfile, Docker images and Docker containers represent three different stages of the software, Dockerfile de
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 Docker engine, including a file system.
For example, a mirror can fully contain the Ubuntu op
. docker run --name nginx_server -d -p 80:80 --link phpfpm:phpfpm -v /Users/mylxsw/Dockers/php/nginx.conf:/etc/nginx/nginx.conf --volumes-from phpfpm nginx Here, the --link option specifies that the container to be connected is phpfpm, and that the volume attached to the --volumes-from phpfpm phpfpm container is attached to the Nginx
Looking at the history of Docker, you'll find that Docker has been emphasizing the word "application", and Docker wants to provide containerized solutions for distributed applications.From the life cycle of the Docker application software, the development work appears to be before the
://$DOCKER _ip:8500How to check this registrator is running?In Docker-machine, run$ docker PSwould see running Registrator container:We can also check the logs:$ docker Logs $CONTAINER _id3. Start a Web service and let Registrator automatically register it on ConsulIn comman
using pipework to configure the Docker container to the local network environment
Demand
In the process of using Docker, we sometimes have the need to configure the Docker container to the same network segment as the host. To achieve this demand, we simply will
Objective
Today, in the Docker, we are able to easily package our applications with containers and deploy them on our servers and run them. However, talking about how to stop the Docker container in the running and terminate the program correctly is a very worthwhile topic to discuss.
In fact, in our daily projects, this is a problem that we often have to confr
How to log in to a container
SSH Login
third-party tools (Nsenter, Nsinit)
Tools provided by Docker (Attach, exec)
Advantages
In line with the usual login server habits, no additional learning
Quick and easy to use
Quick and easy to use
Disadvantages
Secret Key management SSH upgrade monitoring
Need to learn third party tools using rules
Install WebSphere in a Docker container
Record the steps for installing webshpere In the Docker container, provided that docker has been installed and can be used properly.
(1) install websphere with docker1. Get the image: docker
Tags: dockerWhen installing Dockerce 17.09, it was found that the official provided the Docker-ce-selinux package, prone to confusion, explained hereDockerce installation Method,wget https://download.docker.com/linux/centos/7/x86_64/stable/Packages/docker-ce-17.09.0.ce-1.el7.centos.x86_ 64.rpmyum localinstall-y docker-ce-17.00.0.ce-1.el7.centos.x86_64.rpmAs above
$ docker Network lsNetwork ID NAME DRIVER7fca4eb8c647 Bridge9f904ee27bf5 none nullCF03EE007FB4 Host HostBridgeThe default bridge network, we can use the Docker Network Inspect command to view the returned network information, we use the Docker Run command is to automatically apply the network to the new containerHostIf it is hosts mode, the start
0.0.0.0:8083->8083/tcp, 0.0.0.0:8086->8086/tcp influxdb
Access Influxdb console, ip+8083 port access:
Create Cadvisor database, User:
CREATE USER "root" with PASSWORD ' 123456 ' and all privileges
CREATE DATABASE "Cadvisor"
3.3 Creating a Cadvisor container
To run the Cadvisor container:$
in our when Docker container operation, sometimes misoperation or other reasons inadvertently quit the container in operation, you may worry that some of your operations have not been saved, there is no need to worry, this article will provide a variety of methods for your reference (my recommendation to use the last one). In this article, we will discuss five (4
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