/docker.pid", "Path to use for daemon pid file")The meaning of the above statement is:
Defines a flag parameter that is of type string;
The flag is named "P" or "-pidfile";
The flag has a value of "/var/run/docker.pid" and binds the value to the variable CONFIG. On the Pidfile;
The flag describes the message "Path to use for daemon PID file".
At this point, the configuration information required for
1 Background 1.1 Docker introductionDocker is a container engine project based on lightweight virtualization technology from Docker, the entire project is based on the go language and complies with the Apache 2.0 protocol. Today, Docker can quickly automate deployment of applications within the container, and can provide container resource isolation and security
rmi [image]
docker rmi training/sinatra
Note: This tag is used by default when the tag name is not specified in the image latest. However, the meaning of latest is not the same as the head of the VCS, it is not the latest image, just the image that represents the tag name latest. If there is no image with the tag name called latest, it will be an error.SummarizeAlthough
Docker installation and sharing of common commands and sharing of common docker commands
Basic commands
1. To install docker in yum, the root permission is required.
Yum install docker
2. Start docker
Systemctl start docker. servi
Docker Quick Start-common docker commands 1. Introduction to docker commands 1. Introduction to docker commands
You can run the sudo docker or sudo docker HELP command to view the docker
PID PPID C stime TTY time CMDRoot 1 0 0 16:06? 00:00:00 python app.pyWith regard to the relationship between Containerd,containerd-shim and container, it can be explained in the article:Simply put, it is the Containerd (Docker daemon) that starts Containerd-shim, which then starts Runc,runc and then launches the container, Runc exits after the container is created, and shim as the container's parent process. The container can be deamonless by shim, w
Docker-2 learn more about docker, docker-2dockerDockerBasic concepts of images, containers, and warehousesImages
A Docker image is a read-only template.For example, an image can contain a complete CentOS operating system environment where only httpd or other applications are installed.
Images can be used to create
Zones;parallels, Google and Docker have been working to develop open source projects such as OpenVZ and LXC (Linux containers) designed to make containers run smoothly and safely.
Indeed, few people know about containers, but most have been using containers for years. Google has its own open source container technology lmctfy (let me contain which for you, meaning "allow me to accommodate your program").
Docker InspectEstimated reading Time:2 minutes
Description
Return low-level information on Docker objects Usage
Docker inspect [OPTIONS] name|id [name|id ...]
Options
Name, Shorthand
Default
Description
--format, F
Format the output using the given go template
--size, S
False
Display Total Fil
[Docker discussion]docker not everything, and you don't have to deploy everything on Docker.When I read an article "running and upgrading a MySQL server in a docker container": https://intercityup.com/blog/running-upgrading-mysql-server-docker/After that, I don't think Docker
1. Docker command lineDocker is an interactive tutorial designed to help users master the use of Docker command lines in order to get a quick overview of Docker. But thanks to the rapid development of Docker technology, this interactive tutorial has been unable to meet the actual needs of
Docker container File system
DockerfileSoftware is the raw material, Docker镜像 is the software delivery, but it Docker容器 can be considered as the operating state of the software. From the point of view of application software, Dockerfile, Docker mirror and Docker container r
Docker learning Summary-Comparison of features between Docker and Vagrant
The following content is discussed in stackoverflow by Mitchell Hashimoto and Solomon Hykes. In this case, the two parties have elaborated on the characteristics and scope of use of vagrant and docker, which makes sense for a deep understanding of vagrant and
This series of articles will introduce Docker knowledge:
(1) Docker installation and basic usage
(2) Docker mirror
(3) Isolation of Docker containers-use Linux namespace isolate container's operating environment
(4) Isolation of Docker containers-use cgroups to limit the
, Docker and Linux kernel communication skills are weak, travel between the communication (Inter-Process COMMUNICATION,IPC) will be isolated. If the NFS server accepts the client's request, it will pass the requirements back to the Linux kernel,"users before they can be containerized, they must be considered repeatedly. "he said.
Not all applications are suitable for Docker
In the application
What is Docker?Docker's English translation “搬运工” means that what he's carrying is what we always say 集装箱Container , Container is an app of any kind, and our developers can use Docker to turn the app into a label, 准化的 可移植的 自管理的 component, We can develop, debug and run in any major operating system.What is the difference between Docker and virtual machine?Conceptu
Docker is a new way to achieve a super lightweight virtual machine, in the implementation of the principle and application or VM has a huge difference, the professional name is the application container (application Container). (I personally prefer to call it a virtual machine)
1. Installation
1.1 Installing Docker on Ubuntu 14.04
Prerequisite Requirements:
Kernel version must be 3.10 or above
Follow t
Prerequisites
Using Docker recently is a lot more personal than a virtual machine. However, installing Docker under Linux and Windows will overwhelm a group of people that we don't want to see.
This article describes in detail the installation of Docker-ce and Nvidia-docker under Ubuntu, and how to use the domestic im
this container are completely customized by the assembler.
2. Basic concepts of docker
Docker itself is a container running carrier. To run a container, you must correctly understand the concepts of warehousing, image, and container. As described above, the meaning of the image is clear when you deploy a running instance of the container. An image is a packaged
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