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- How to use docker running container
- To run a Docker container, you need to execute: pull the image (docker pull <mirror name>) create the container (docker run -it --rm --name <container name> <mirror name>) interactive container (docker exec -it <container name> /bin/bash) port mapping (docker run -it --rm --name my-nginx -p 8080:80 nginx) settings
- Docker 139 2025-04-15 08:15:01
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- How to pull the mirror in the docker container
- To pull a Docker image, use the following steps: Log in to Docker Hub Use the "docker pull [mirror name]" command to pull the image optional: Specify the image version to pull a specific version Use the "docker images" command to check the pulled image
- Docker 832 2025-04-15 08:12:01
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- How to change the docker container command
- There are two ways to change commands in a Docker container: Use Dockerfile to specify commands when creating the container. Use the docker update command to change the command after the container is created. After changing the command, the container needs to be restarted to make the new command take effect.
- Docker 620 2025-04-15 08:09:01
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- How to add redis to docker
- The steps to add Redis in Docker include: Create a Docker container (docker run -d --name my-redis redis:latest) to the container (docker exec -it my-redis bash) Install the Redis extension module (download source code, compile module, start Redis with --loadmodule) Configure Redis (edit /etc/redis/redis.conf file) Start Redis (service redis start) Connect to Redis (redis-c
- Docker 985 2025-04-15 08:06:01
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- How to exit docker into container
- How to exit the Docker container: Run the docker stop <Container name or ID> command to send a stop request to the Docker daemon. The daemon sends a SIGTERM signal to the container to exit with a controllable exit, and if it does not exit within 10 seconds, a SIGKILL signal is sent to exit forcibly.
- Docker 662 2025-04-15 08:03:01
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- How to cluster docker
- Docker clustering is a distributed container management system that connects multiple hosts, allowing users to scale capacity, improve availability and simplify management. Creating a Docker cluster includes installing Docker Engine, creating a cluster network, joining a cluster, and deploying containers. Docker Swarm and Kubernetes are both tools for managing clusters, Swarm is suitable for small and medium clusters, and Kubernetes has more advanced features. The benefits of Docker clusters include scalability, high availability, simplified management, resource optimization, and rapid deployment.
- Docker 413 2025-04-15 08:00:03
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- What to do if the docker warehouse is hung
- When a Docker repository is hung up, you can do the following: Check the network connection and restart the Docker service; use a local image or try to replace the repository; create your own repository or contact the repository provider.
- Docker 737 2025-04-15 07:57:01
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- How to patch docker containers
- Several ways to patch Docker containers are: using official repository images, creating your own images and manually patching, and using patch management tools. Specific steps include: identifying containers that need to be patched, pulling patch images, replacing affected containers, and verifying patches.
- Docker 670 2025-04-15 07:54:01
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- How to delete image files by docker
- To delete a Docker image file, you can use the docker image rm command: To delete a single image, use its full or partial name (such as docker image rm my-image). To delete multiple images, use wildcard or space-separated list of image names (such as docker image rm my-*). To delete all unused images, use the docker image prune command.
- Docker 853 2025-04-15 07:51:01
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- How to connect to docker
- Docker provides three networking modes: bridge mode: create an independent virtual network interface for containers to realize external network connections. Host mode: bind the container network interface to the host to share the host network resources. Container Mode: Connect to the network namespace of other containers, sharing their network interface and IP address.
- Docker 293 2025-04-15 07:48:01
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- How to check environment variables by docker
- To view environment variables in a Docker container, the steps are as follows: Get the container ID (docker ps -a) Use the following command to view environment variables: docker inspect -f '{{json .Config.Env}}' <container-id>
- Docker 852 2025-04-15 07:45:02
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- How to build redis
- Docker is a technology that implements Redis containerization to ensure the security, portability and scalability of services. Prerequisites: Docker installation and Redis image. Steps: Run the command line docker run to create the Redis container. Connect to the container using the Redis client or command line. Start/stop/restart the container via the command line. View the log or delete the container.
- Docker 816 2025-04-15 07:42:01
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- What to do if the docker network conflict
- Docker network conflicts can be resolved by creating a custom Docker network and assigning it to the associated container. Configure the container to use bridge mode to obtain a unique IP address. Map container ports to host ports to avoid port conflicts. Configure port ranges to automatically allocate ports at runtime. Create subnets in the Docker network to provide a larger range of IP addresses for containers. Use container name resolution to enable containers to communicate with each other's names. When using Docker Compose, use the network_mode: bridge option to prevent conflicts. Refer to the official Docker documentation for more detailed guidance.
- Docker 680 2025-04-15 07:39:01
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- How to set up docker host
- To set up a host for a Docker container, you need to modify the /etc/hosts file on the host. The steps include: 1. Determine the IP address of the target container; 2. Edit the hosts file; 3. Add host records. For example, if you set the container IP address 172.17.0.2 to the host name my-host, add 172.17.0.2 my-host to the /etc/hosts file.
- Docker 909 2025-04-15 07:36:01
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- How to save files in docker
- In Docker containers, files are usually not persisted, and methods are needed to persist files: use data volumes, share the file system between containers, and files are retained after the container is stopped. Use Docker volumes, managed by Docker, similar to data volumes. Use local storage, for temporary storage only, data is lost after the container restarts. Using persistent storage, provided by third-party storage providers, persisting large data sets.
- Docker 275 2025-04-15 07:33:01
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