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- How docker install centos image
- How to install the centos image with docker: 1. Run the command [docker pull centos:7] to pull the centos7 image; 2. Run the command [docker run -d -i -t <IMAGE ID> /bin/bash] to start the centos7 image.
- Docker 2779 2020-04-14 15:06:01
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- How to solve the problem that docker cannot delete the image
- The solution to the problem that docker cannot delete the image is: 1. View all current images; 2. Run the command [docker rm container name] to delete the container; 3. Run the command [docker rmi image name] to delete the image.
- Docker 3603 2020-04-14 14:48:09
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- How to upgrade docker containers
- The method to upgrade the docker container is: 1. Upgrade the Image; 2. Run the [docker rm] command to delete the old container; 3. Run the command [docker-compose start] to restart the new container; 4. Upgrade the database.
- Docker 8199 2020-04-14 14:27:17
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- In what areas is docker mainly used?
- The main usage scenarios of docker: 1. Simplify configuration; 2. Code pipeline management; 3. Improve development efficiency; 4. Isolate applications; 5. Integrate servers; 6. Debugging capabilities; 7. Multi-tenant environment; 8. Rapid deployment.
- Docker 4603 2020-04-14 14:09:58
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- What are the advantages of docker
- The advantages of docker are: 1. Cross-platform portability, packaging according to unified standards; 2. Application-oriented, optimized deployment of applications; 3. Version control; 4. Component reuse, component-based construction; 5. Sharability, public registration server.
- Docker 4724 2020-04-14 13:54:27
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- How to check container service status in docker
- The method for docker to check the container service status is: 1. [docker stats nginx1] to check the container status; 2. [docker top nginx1] to check the process information; 3. [docker inspect nginx1] to check all the status of the container.
- Docker 12499 2020-04-14 13:33:48
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- How to view network details in docker
- The method for docker to view network details is: 1. Run the command [docker network ls] to view the network list; 2. Run the command [docker network inspect options] to view the network details.
- Docker 13092 2020-04-14 13:19:51
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- How to change the image warehouse in docker
- The method for docker to change the mirror warehouse is: 1. Create the configuration file daemon.json; 2. Add the configuration ["registry-mirrors":["https://registry.docker-cn.com"]]; 3. Restart the docker service .
- Docker 5800 2020-04-14 13:11:43
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- How to copy files in docker container to local
- The way docker copies the files in the container to the local is to directly execute the command [docker container cp [OPTIONS] CONTAINER:SRC_PATH DEST_PATH].
- Docker 7292 2020-04-14 11:53:35
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- How to start docker image
- The method for docker to start the image is: 1. Create a new startup folder; 2. Write the docker-composer.yml file; 3. Execute the command [docker-composer up] to start the image.
- Docker 7196 2020-04-14 11:47:36
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- How to solve the problem that the docker container cannot ping the external network
- The solution to the problem that docker containers cannot ping the external network is to directly stop all containers and restart docker, such as [service docker restart].
- Docker 3050 2020-04-14 11:29:16
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- What should I do if the docker container cannot access the external network?
- The solution to the problem that the docker container cannot access the external network is: 1. Open the /etc/sysctl.conf configuration file; 2. Add the configuration [net.ipv4.ip_forward=1]; 3. Execute the command [sysctl restart network] to restart the network service.
- Docker 4606 2020-04-14 11:17:14
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- How to solve the problem of domain name resolution failure in docker container
- The solution to domain name resolution failure in the docker container is: 1. Execute the command [echo 1 > /proc/sys/net/ipv4/ip_forward1] to modify the configuration file; 2. Execute the command [sysctl -p /etc/sysctl.conf1] to enable The configuration file takes effect.
- Docker 5462 2020-04-14 10:56:19
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- How to modify the system time of docker container
- The method to modify the system time of the docker container is: 1. [docker run -it --cap-add SYS_TIME --rm --name centos centos /bin/bash]; 2. [date -s 13:02:00].
- Docker 6222 2020-04-14 10:44:18
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- What to do if the docker container cannot be stopped
- Solution to the problem that the docker container cannot be stopped: 1. Run the umount command to cancel the mounting; 2. Delete the docker directory; 3. Delete the container service [docker rm -f caf8ef20f3clc]; 4. Restart the docker service.
- Docker 6395 2020-04-14 10:38:11
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