The default Docker storage location is:/var/lib/docker
Command to view the specific location
docker info | grep "Docker Root Dir"
The specific docker container storage location:
docker ps -a
docker inspect container id | grep "volumes" //View data directory_data
docker inspect container id | grep "ResolvConfPath" //View docker container startup Configuration file directory
Modify the storage location:
The simplest way is to mount the partition to this directory. Since there is data in the data disk, modify the storage path of the image and container to achieve the purpose. This is achieved through soft connections.
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A Data Volume Container is a Docker container that stores and manages persistent data. Using a data volume container includes: 1. Create a data volume container; 2. Mount a data volume; 3. Use a data volume in the container. Advantages: persistence, shared data, backup and recovery; Disadvantages: performance, portability.

Docker LNMP container call steps: Run the container: docker run -d --name lnmp-container -p 80:80 -p 443:443 lnmp-stack to get the container IP: docker inspect lnmp-container | grep IPAddress access website: http://<Container IP>/index.phpSSH access: docker exec -it lnmp-container bash access MySQL: mysql -u roo

You can use a variety of methods provided by Docker to find containers, including: Docker CLI: Use commands such as docker ps to list containers and use filters to narrow down searches. Docker API: Send a request to retrieve container information. Docker Compose: Use commands such as docker-compose ps to list containers. Docker Tools: Use tools such as Docker Explorer or Portainer to manage containers in a graphical interface. Container ID: Use a unique ID to find containers with the Docker CLI, API, or tool.

Resolve Docker startup failure: 1. Run Docker with root user permissions; 2. Check port conflicts and adjust port numbers; 3. Clean unused images and volumes to free up storage space; 4. Increase memory allocated by Docker; 5. Install required dependencies; 6. Check the correctness of volume mounts; 7. View container logs for error information; 8. Update the kernel version to comply with Docker requirements.

You can build Docker private repositories to securely store and manage container images, providing strict control and security. The steps include: creating a repository, granting access, deploying a repository, pushing an image, and pulling an image. Advantages include security, version control, reduced network traffic and customization.

How to edit files in Docker container: Running container: Docker Exec: docker exec -it <container-id> /bin/bashDocker-compose Exec: docker-compose exec <service-name> /bin/bash Direct editing: cat /path/to/file | docker exec -i <container-id> tee /path/

To migrate a Docker container, perform the following steps: Save the container image: Use the docker commit command. Generate container manifest: Use the docker inspect command. Load the image on the target machine: Use the docker load command. Create a new container: Use the docker create command. Start a new container: Use the docker start command.

Configuring MySQL in Docker involves the following steps: Create a Docker image based on the official MySQL image. Start the container and specify the MySQL root password, database name, and port mapping. Use the docker exec command to connect to the container and configure it using the MySQL command line interface.


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