v2 3c59e02ddd1a ten hours ago 446.7 Mbouruser/sinatra Latest 5db5f8471261 hours ago 446.7 MB After that, you can use the new mirror to start the container $ sudo docker run-t-I ouruser/sinatra:v2/bin/bash[email protected]:/# 2. Use Dockerfile to create a mirrorUsing Docker commit to extend an image is simple, but not easy to share in one team
Docker Storage Driver Detailed introduction
Recently do project, during the Docker storage driver will not, so find information on the Internet, and resolved, here on the record.
Objective
Understand how Docker is stored
Docker image and container directory structure on host
Nvidia-docker
The description in the project mentions: Build and run Docker containers leveraging NVIDIA GPUs, a collection of open source project commands created to better provide a set of GPU services based on the NVIDIA chip.
Project address: Https://github.com/NVIDIA/nvidia-docker Docker vs Nvidia-
ObjectiveIn a previous blog, "Setting up a Docker registry private warehouse in Ubuntu" introduces a simple way to build a Docker private repository. But it was used to modify the "--insecure-registry" parameters, which is used in the local area network, but also reluctantly suitable. But if you want to build a private warehouse server for a production environment, there is a big security risk. So, here is
Docker appears cannot connect to the Docker daemon. Is the Docker daemon running to this host error resolution
Occurrence of the phenomenon:
UBUNTU15, after installing Docker, run Docker images error cannot connect to the Docker
; exit the container running in the first step[[Email protected]/]# exitExit4> View the status of the container[email protected] ~]# Docker ps-aCONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMESD4a75f165ce6 CentOS "/bin/bash" 2 minutes ago Exited (0) seconds ago Cranky_mahaviraIt can be seen that the state of this container is exited, so how do you run the container again? You can use the Docker
reopen the Quick start terminal.Ii. Methods of UseAfter installing Docker and preparing the environment, open the Docker QuickStart terminal to start the Docker runtime environment.First, let's check to see if Docker is installed
an icon, You need to start boot2docker using the Boot2docker initialization command. If you have already done so, you can uninstall Boot2docker with brew First, then delete the. Boot2docker directory under the user directory, and then open VirtualBox to delete the BOOT2DOCKER-VM virtual machine (without deleting it).Then you can install the Boot2docker by installing the package. To avoid confusion in the later use, let me first say a boot2docker impl
processes are the same! Each container has its own svchost process, csrss process, and wininit process. These processes are per-session.
8. Can Windows docker display a graphical interface?Traditional Windows applications are mostly GUI-based, so these applications may need to be remotely manipulated in a graphical manner. Windows Docker is connected through the container's RDP service.
The diagram shows
)
ID NAME IMAGE NODE desired State Curre NT State ERROR PORTS
S96twac1s4av frontweb.6xum2o1iqmyaun2khb4b5z57h nginx:latest docker2 Running Runni ng seconds ago
Qtr35ehwuu26 frontweb.xvkxa7z22v757jnptndvtcc4t nginx:latest docker1 Running Runni ng Notoginseng seconds ago
Jujtu01q49o2 frontweb.pk4p936t4e03cpse3izuws07s nginx:latest docker-ce Running Runni ng seconds ago
In the creation of the service, there will be several states, one is prepared, the pr
MetaData space,DataCorresponds to the logical volume for Data,MetaCorresponds to a logical volume for MetaData. (6). Extended Thinpool (optional) This step is chosen for the expansion of MetaData or Data when the space is insufficient. For example: MetaData corresponds to a logical volume path of/dev/mapper/dockervg-thinpool_tmeta, the expansion command is as follows. #>lvresize-l +1g/dev/mapper/dockervg-thinpool_tmetaFor example: Thinpool the overall corresponding logical volume path is docker
virtualization and is enabled.
Installing Boot2docker
Next you need to install Boot2docker with some supporting software. Details include:
Docker Client for WindowsBoot2docker management tool and ISOOracle VM VirtualBoxGit msys-git UNIX Tools
First click Download Boot2docker for Windows.
Download Address:
Https://s3.amazonaws.com/github-cloud/releases/18047765/825908bc-15b8-11e5-96cb-9a42a043cc39.exe? Response-content-disposition=attachment%3b%20fil
reopen the Quick start terminal.Ii. Methods of UseAfter installing Docker and preparing the environment, open the Docker QuickStart terminal to start the Docker runtime environment.First, let's check to see if Docker is installed
version, docker requirements kernel version is more than 3.10, recommended (do not install the use of the centos6.6 above Docker, there are many pits, I just stepped over the)
I am using the Aliyun ECS CentOS 6.6 64 bit, so I need to upgrade the kernel version of the upgrade method:
# rpm--import https://www.elrepo.org/RPM-GPG-KEY-elrepo.org
# RPM-UVH http://www.elrepo.org/ elrepo-release-6-6.el6.
password:axegh3kajydlarubemecis EshosThen you can log in-uroot-p.The first thing to do after logging in is to change the root password.' Root '@'localhost'password';The rest is almost the same as running MySQL locally.Note that we have just run Docker's command and did not map the ports in Docker and the ports on this computer. So although MySQL is started, it cannot be accessed through 3306 or other ports.If you want to be in the same machine, you n
indicates that the staging container is started and will be deleted after the run finishesFormat: sudo Run –t –i image name: TAG process name to execute (container name) Example: sudoDockerRun–t–iOuruser/sinatra:v2/bin/bash The difference between-p and-pContainer port (6000) mapped to the host machine (5000)sudo docker run–d–p 127.0.0.1:5000:6000 Aicep:v1/bin/bash Container randomly allocated ports mapped to randomly allocated ports in t
Objective to understand the storage mode of Docker Docker image and container directory structure on host Docker image and container content and configuration different storage
Docker is an open source application container engine, which mainly utilizes the Linux kernel namespace to implement sandbox isolation and cgro
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