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- docker reports error exited(137)
- When starting the docker container, an error "Exited(137)***ago" occurs. This error occurs because the space allocated by the container is insufficient. For example, only 512M is allocated, but 1G is needed. We can set "-Xms1G" in the configuration file. -Xmx1G" to solve.
- Docker 8354 2020-04-03 13:17:06
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- How docker selects the ipv6 address segment
- How docker uses the ipv6 address segment: Open the /etc/docker/daemon.json file, set up ipv6 support in this file, add the ipv6 address segment, and then restart Docker.
- Docker 3711 2020-04-03 11:57:14
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- How to map docker port to host machine
- How to map the docker port to the host: Specify the port mapping through the -p or -P parameter when the container is started. The lowercase p means that docker will choose a specific host port to map to the open network port inside the container, and the uppercase P means a random host port.
- Docker 3433 2020-04-03 11:39:19
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- Can docker run on a virtual machine?
- Docker containers can run on virtual machines or physical machines. Containers and virtual machines are not on the same level, they are a packaged collection of software + environment.
- Docker 5561 2020-04-03 11:21:46
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- How to view files in docker
- How to view files with docker: 1. Use the "docker attach ContainerID" command to view running container files. 2. Use the "docker cp <container name>:<path><host path>" command to copy the file to the host for viewing.
- Docker 8184 2020-04-03 11:02:14
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- What is the function of cgroup in docker
- The main functions of cgroup in docker: 1. Resource Limitation (ResourceLimitation). 2. Prioritization. 3. Resource statistics (Accounting). 4. Process control (Control).
- Docker 7931 2020-04-03 10:51:03
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- Does docker support gpu?
- Docker supports GPU, and docker can use GPU through nvidia-docker2. Configure the runtime to use nvidia in the daemon.json file. After starting the container, run nvidia-smi to see all GPUs.
- Docker 3096 2020-04-03 09:02:33
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- How to access different docker containers
- Access methods between different containers in docker: 1. Use container IP to achieve mutual access. 2. Create a bridge network, connect several docker containers to the created network, and then the containers can be directly accessed.
- Docker 2682 2020-04-02 15:53:52
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- The difference between docker images and containers
- The difference between a docker image and a container: a docker image is a read-only template, an independent file system, including the data required to run the container. A docker container is a running instance created by a docker image.
- Docker 6462 2020-04-02 15:06:14
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- In what areas can docker be applied?
- Some application scenarios of docker: 1. Simplify configuration. 2. Code pipeline management. 3. Improve development efficiency. 4. Isolation application. 5. Integrate servers. 6. Debugging ability. 7. Multi-tenant environment. 8. Rapid deployment.
- Docker 10543 2020-04-02 14:55:50
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- How to find containers in docker
- You can use the "docker ps" command to find containers in docker. Use the "docker ps -a" command to list all containers, including those that are not running.
- Docker 5579 2020-04-02 14:48:42
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- Where are the logs after the docker container is started?
- After docker is started, the path where the log is located is "/var/lib/docker/containers/container ID/container ID-json.log". We can also directly use the "docker logs <container ID>" command to view the logs.
- Docker 7109 2020-04-02 14:32:40
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- Can't docker be installed on windows?
- docker can be installed on windows. Win7, win8, etc. need to be installed using docker toolbox. Now Docker has a special installation package for Win10 professional version system, which requires turning on Hyper-V.
- Docker 7448 2020-04-02 13:25:12
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- What can docker isolate?
- Docker can isolate the file system, network, inter-process communication, users and user groups, PID within the process and PID in the host. Docker's isolation mainly uses Namespace technology.
- Docker 3967 2020-04-02 12:00:21
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- How to compress docker image
- Docker image compression method: 1. Use the docker export and docker import commands to compress the image. The image obtained after using export and import will not save the history of the image, so the image will become smaller. 2. Use docker-squash compression.
- Docker 5920 2020-04-02 11:47:25
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