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- What does docker containerization mean?
- Docker containerization refers to the process of integrating applications into containers and running them; the core idea of docker is how to integrate applications into containers and actually run them in the containers. Once the application containerization is completed, it can be mirrored Delivered as a container and run as a container.
- Docker 3008 2022-03-23 17:40:17
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- What is docker cluster and mirror
- A cluster is a group of machines running Docker, and each machine is called a node; an image is a special file system that, in addition to providing the programs, libraries, resources, configuration and other files required for the container to run, also contains Some configuration parameters prepared for runtime.
- Docker 2578 2022-03-23 17:20:33
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- What is the difference between docker volume and mount
- The difference between "docker volume" and mount is: "docker volume" is declarative, "Docker Engine" itself will occupy a certain directory in the system, and Docker will assign a path to the volume under the occupied path by default; while mount It will not occupy a path as a mount point.
- Docker 3193 2022-03-08 16:53:05
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- What is a host in docker
- In docker, the host machine is "Docker_Host", which is one of the overall architecture of Docker. It can be a physical machine or a virtual machine. A docker service runs on the host machine. Using "docker daemon" can realize the docker object Life cycle management.
- Docker 9002 2022-03-08 16:15:32
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- What are docker and nas
- Docker is an open source application container engine, nas is a dedicated data storage server; docker is used to create and manage containers, and can also implement virtualization. nas includes storage devices and embedded system software, which can provide cross-platform file sharing functions.
- Docker 9556 2022-03-17 17:51:56
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- What should I do if the container time and host time in docker are not synchronized?
- Method: 1. Use the "docker run -name <name> -v" command to share the local time of the host; 2. Use the "docker cp /etc/localtime:container ID/etc/localtime" command to copy the local time of the host.
- Docker 8874 2022-03-08 15:57:36
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- Where are docker logs stored?
- Docker's logs are stored in files ending with "json.log" in "/var/lib/docker/containers/ID/ID-json.log"; you can use the built-in command "docker logs -f e4bd48ef3103" to view the logs.
- Docker 16522 2022-03-17 18:13:15
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- What is the role of solr in docker?
- In docker, solr represents an open source search platform, used to build search applications; you can submit an XML file in a certain format to the search engine server through an http request to generate an index, or you can make a search request through the "Http Get" operation and get the XML format The return result.
- Docker 2865 2022-03-08 15:31:24
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- Does docker share the kernel with the host?
- Docker and the host share the kernel; the Docker container is essentially a process on the host. Docker implements resource isolation through namespace. The shared kernel between docker and the host essentially implements process isolation through the kernel's namespace and cgroup.
- Docker 5488 2022-03-08 15:22:12
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- what does docker-io mean
- "docker-io" is the deb package name of "docker-engine" used by Ubuntu distribution; the dependent packages of "docker-io" are managed uniformly by Ubuntu, which is more in line with the package management concept and more standardized, and can be as easy as possible Ensure the stable operation of the system and multiple software.
- Docker 4202 2022-03-08 15:10:31
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- Can docker images run cross-platform?
- Docker images can run across platforms; as long as the system architecture is the same, the same image can be used. The x86 image can only be used on the x86 system, and the arm image can only be used on the arm system. The docker image only simulates a container. The environment has little to do with the host machine.
- Docker 6561 2022-03-08 14:58:23
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- What are mesos and docker
- Mesos is an open source distributed resource management framework, a general resource management platform, used to collect computing resources on each node and then provide them to the application framework running on Mesos; docker is an open source application container engine, used to create and Manage containers.
- Docker 2137 2022-03-08 11:48:27
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- Does docker support bridge mode?
- Docker supports bridge mode; Docker network bridge bridge mode is the default mode when creating and running containers. This mode assigns an independent network card to each container and bridges it to the default or specified bridge. Containers under the same Bridge can communicate with each other.
- Docker 3249 2022-03-08 11:37:13
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- What are the underlying technologies of docker?
- Underlying technology: 1. Namespace, which provides an isolated workspace for containers; 2. Control group, which can limit resources for programs; 3. Combined file system, which supports file system modifications as a single submission. Superposition of layers; 4. Container format, which combines namespaces, control groups and joint file systems into a whole called container format.
- Docker 2884 2022-03-08 11:29:33
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- How docker check the status of the container
- In docker, you can use the ps command to view the status of the container. This command is used to list the containers. When the parameter is set to "-a", it can display the status of all containers including those that are not running. The syntax is "docker ps -a" .
- Docker 16154 2022-03-08 11:22:06
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