Build a kafka cluster environment in a docker container
Kafka cluster management and status saving are implemented through zookeeper. Therefore, you must first set up a zookeeper cluster.
Zookeeper cluster Construction
I. software environment:
The zookeeper cluster requires more than half of the nodes to survive for external services. Therefore, the number of servers should be 2 * N + 1. Here, three nodes
Backup, recovery, and migration of containers in Docker1. Backup containerFirst, to back up the containers in Docker, we would like to look at the list of containers we want to back up. To achieve this, we need to run the Docker PS command in the Linux machine where we run the Docker engine and have created the container
Edit a file in a Docker container
I hope that every time I install vi in a docker container, who will give me $1... I want a simpler way to edit files in a running docker container. First, try to avoid editing files, which violate
Windows Container and DockerMicrosoft officially released Windows Server 2016 at the Ignite technology conference in 2016, where container services are already available as a production environment. This means that the windows built-in container service has officially come into view, although we've already had Docker f
Build the Turtlebot Robot Slam cruise map in the Ros container of the Docker platform
SLAM (simultaneous localization and mapping), also known as CML (Concurrent Mapping and localization), instant positioning and map building, or concurrent mapping and positioning. The problem can be described as: putting a robot in an unknown location in an unknown environment, whether there is a way for the robot to grad
Today, colleagues to install the SDK in the Docker Jenkins container, when he put his previous installation of the SDK to pass me, I found that there are 16g,docker containers are only 10 g, fortunately, let me find a dynamic expansion of the Docker container articles, first
installation package into the containerDownload the Mysql 5.7.13 installation package from the host and place it inside the container via the Docker copy command(5) install and run Mysql in the containerPerform the MySQL installation operation under Ubuntu Shell normally, after the installation is complete, run MySQLThen add a user that can be accessed remotely, such as test, password 111111(6)
StartThere are two ways to start a container, one is to create a new container based on mirroring and start Docker run, and the other is to restart the Docker container start new container with a
Source:http://stackoverflow.com/questions/26734402/how-to-upgrade-docker-container-after-its-image-changedquestion:
Let ' s say I have pulled the official mysql:5.6.21 image.
I have deployed this image by creating several Docker containers.
These containers have been running for some time until the MySQL 5.6.22 is released. The official image of mysql:5.6 gets u
Install the Redis image with Docker in Ubuntu and share it with the Redis container
1. Install Ubuntu2. Use Putty to log on to UbuntuWelcome to Ubuntu 14.04.1 LTS (GNU/Linux 3.small-40-generic x86_64)
* Documentation: https://help.ubuntu.com/
System information as of Wed Dec 31 06:41:16 UTC 2014
System load: 0.01 Processes: 228Usage of/: 6.0% of 28.80 GB Users logged in: 0Memory usage: 11% IP address for et
Original address: https://docs.docker.com/engine/admin/resource_constraints/#configure-the-realtime-scheduler
Summary
In Docker, the container's resources are limited only by the host-side kernel resource scheduling. However, you can add some resource control flags to control the container's MEMROY,CPU and block IO resource allocations when you start the container with the
partition to the/var/lib/docker, and set the boot auto mount.
Mount/dev/vg_home/lv_docker/var/lib/docker
vim/etc/fstab
---
/dev/vg_home/lv_docker/docker_data ext4 defaults 0 0
----
F. Detect if Docker is available and data is complete
Docker images
G. Uninstall the temporary mount point after confirming th
With Docker's leading position in the cloud computing market, container technology has become a mainstream technology. To use the container technology for the user's application, follow these five steps.
Docker container technology has been rage in the cloud computing market, and many mainstream suppliers are facing t
First, list the containers that have been created on the hostDocker Ps-aSecond, create an interactive containerCommand: Docker run-i-T Ubuntu/bin/bashWhere-i-t represents the creation of a container that provides an interactive shell.Ubuntu is the name of the image, if it does not exist locally, go back to the repository to download./bin/bash is the command that executes immediately after the specified
To add a data volume
You can use the Docker create and Docker run commands in conjunction with-V to add data volumes to the container. You can mount a data volume by using-V multiple times:
$ docker run-d-P--name web-v/webapp training/webapp python app.py
mount the host directory as a data volume
$
Deploying Django applications with DockerThe experimental environment: Tencent Cloud Server CentOS 6.7 x86_64Because the Docker Hub of the Mirror in the domestic download speed is very slow, so this time using the Daocloud provided by the mirror. The basic operation of Docker can refer to http://www.tianfeiyu.com/?cat=159.
Docker deployment of Django application
If the time can be reversed, the real world every step can be broken down to the smallest, recorded, is the log, all things the same day.In the face of history, examine the log, you can choose to forget, you can choose to remember, experienced, can choose to cherish, also can let it dust-laden.What about Docker containers? The log is like a timeline, where you are or not, and he is there. Some people have a good faith in it, but others are free to do
Docker Container Management* Docker create-it CentOS//This can create a container, but the container does not start* Docker start container_id//Start container, you can use
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