One: Dockerfile, put Dockerfile and MyFolder in a directory:From httpd:2.4COPY. /myfolder/ /usr/local/apache2/htdocs//usr/local/apache2/-R Daemon:daemon Htdocs 755 htdocsTwo: Generate Image:Docker build-t ImageName. (Note the following points)Three: httpd Open is 80 port. Execution Container:Docker Run-p 9009:80 ImageNameFour: You can view the contents of the image :Docker PS | grep "9009" Found container ID is XxxidDocker exec-it Xxxid SHThen
Execute Docker PS command, appear
"Cannot connect to the Docker daemon at Unix:///var/run/docker.sock. Is the Docker daemon running?
Error
It is now determined that the Docker itself is installed properly.
The problem is because the Docker service did not start, so the
Dockerfike quickly create a custom Docker mirrorA, Table of contents1.docker Typical structure2. Instruction Introduction3. Create Docker Mirrors
Second, the structureThe Dockerfile is divided into four parts: the underlying mirror letter, the maintainer information, the mirroring operation instructions, and the execution instructions when the container starts. F
Log in as root, runVi/etc/yum.repos.d/public-yum-ol6.repo, add the following paragraphRun Yum Install DockerIn the run process because the network is slow, may appear the exit situation, again runs again, if encounters the Yum promptAnother app is currently holding the Yum lock;waiting for it to exitIt may be that the system is automatically upgraded and Yum is in a locked state.You can disable the Yum process by forcing:#rm-F/var/run/yum.pidRun service start
Install Docker in CentOS 7Docker Introduction
Docker is an open-source application container engine that allows developers to package their applications and dependencies to a portable container and then publish them to any popular Linux machine, you can also achieve virtualization. Containers fully use the sandbox mechanism and do not have any interfaces between them.
Official
This weekend experience a bit of a fire Docker technology, simple to record their own study notes.What is >docker for?Docker is an advanced container engine based on the Linux container (Lxc-linux container), developed based on the Go language,The source code is hosted on Github and complies with the APACHE2.0 protocol open source. The goal of
I have the opportunity to build a Docker micro-service architecture in my current job, a lot of people will share their experience of using Docker, I think I will be no exception. So I've summed up some of the things that you might use in your daily use of Docker.
1. Deployment of multiple Docker instances on a single
Prerequisites for Linux installation Docker:Must be a 64-bit CPU-architected computer, Docker currently does not support 32-bit CPUs, running Linux3.8 or later kernel, CentOS kernel must be no less than 3.10; the kernel has to support an appropriate storage driver, which can be device Manager, Aufs, VFS, Btrfs, and one of the default driver device mapper; The kernel must support and open the Cgroup and namespace namespace features.
Check Prerequisites
The difference between Docker and Docker machineDocker is an application of the Client-server architecture, and there are Boshi: Docker Engine. Docker is just a nickname for Docker Engine, and of course Docker has other meanings,
the difference between Docker and Docker machineDocker is an application of the Client-server architecture, and there are Boshi: Docker Engine. Docker is just a nickname for Docker Engine, and of course Docker has other meanings,
Due to the installation of Dockerce at the time of downloading the official website of the long-term timeout situation, so in the installation of Docker need to change the download image to the domestic mirror library. So there's the Aliyun Mirror library.
Follow the steps in Aliyun when installing CentOS:
# step 1: Install some of the necessary system Tools sudo yum install-y yum-utils device-mapper-persistent-data lvm2 # step 2: Add software source
When you install Kubernetes on the server, there is a problem when you perform the following command installation:
Yum install-y Etcd kubernetes
Error: Docker-engine conflicts with 2:docker-1.12.6-68.gitec8512b.el7.centos.x86_64
The detailed error description is as follows:
Workaround: Because Docker is installed automatically when the kubernetes is installed,
Background:While using Docker, there is no specific configuration of the Docker network, but using the network in Docker after a short period of time becomes very slow, curl a network request to about 20s, if curl when specifying IPV4-4 time is 5s. The same URL for Curl on host host is 0.01s.
Workaround:Then, in the official
Tags: RDA parameter main each pwd better put string nal1: Build docker-based MySQL, reference Mac will use brew-installed MySQL instead of Docker to perform 2: Build based on docker?php image In the current directory, set up the Dockerfile, the content is as follows From Php:7.0-cli maintainer Terry Zhang 3. Create a PHP image
This is a creation in
Article, where the information may have evolved or changed.
1, about TIDB
Tidb is inspired by Google's F1 and Google Spanner, TIDB support features that include traditional RDBMS and NoSQL.SQL fully supports MySQL, while others are also a distributed database.What Sub-Library sub-table are weak, this direct division, super convenient. And it's open-source.Is the domestic technology of large Bezoar Dongxu company Pincap developed.It was the man who wrote Codis before.Htt
This is a creation in
Article, where the information may have evolved or changed. As mentioned in the previous article
API ServerNeed to set
HTTPhandler function:
......server.SetHandler(api.NewPrimary(cl, tlsConfig, statusHandler{cl, nil, nil}, c.GlobalBool("debug"), c.Bool("cors")))......
api.ServerThe structure is defined as follows:
// Server is a Docker API server.type Server struct { hosts []string tlsConfig *tls.Config dispatcher *di
This is a creation in
Article, where the information may have evolved or changed.
Docker daemondocker client swarmthe handler function that initializes the response-related command is located at api/server/router/swarm/cluster.go :
Buildrouter is a router to talk with the build Controllertype swarmrouter struct {backend backend routes []rout Er. route}//Newrouter Initializes a new build Routerfunc Newrouter (b backend) router. Router {r: = swarmrouter
Docker Introduction
Docker is an open source application container engine that allows developers to package their apps and dependencies into a portable container, and then publish it to any popular Linux machine or virtualization. Containers are completely using the sandbox mechanism, and there will be no interface between each other.
Docker official w
Basic installation steps Ubuntu Docker installationDocker supports the following Ubuntu versions:
Ubuntu precise 12.04 (LTS)
Ubuntu trusty 14.04 (LTS)
Ubuntu Wily 15.10
Other updated versions ...
Pre-conditionsDocker requires an Ubuntu system with a kernel version higher than 3.10 to check the prerequisites on this page to verify that your Ubuntu version supports Docker.View your current kernel version with the
The content source of this page is from Internet, which doesn't represent Alibaba Cloud's opinion;
products and services mentioned on that page don't have any relationship with Alibaba Cloud. If the
content of the page makes you feel confusing, please write us an email, we will handle the problem
within 5 days after receiving your email.
If you find any instances of plagiarism from the community, please send an email to:
info-contact@alibabacloud.com
and provide relevant evidence. A staff member will contact you within 5 working days.