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- What is the use of docker data volume?
- The uses of docker data volumes: 1. Data can be shared between multiple containers. 2. Avoid that the host machine cannot guarantee that a certain directory or some fixed file paths must exist. 3. Container data can be backed up, restored or migrated between different hosts.
- Docker 2566 2020-03-24 17:10:19
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- How to do domain name resolution in docker
- Domain name resolution in docker: After entering the Docker container, open the hosts file, add domain name resolution rules, or directly append a string to the end of the specified file.
- Docker 6930 2020-03-24 16:39:49
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- How to access between containers in docker
- Methods for accessing between containers in docker: 1. Access based on the IP addresses between containers. 2. Add the link parameter when running the container, and then access it through the link. 3. Create a bridge network, connect the container to the bridge network, and then you can connect.
- Docker 5047 2020-03-24 16:09:35
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- How to solve the problem that docker Chinese is not displayed
- Docker Chinese is not displayed because the Chinese language package is missing in the docker container environment. The solution: Use the yum -y install kde-l10n-Chinese command to install the Chinese language package, and then set and use this language package.
- Docker 3572 2020-03-24 15:58:26
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- How docker packages containers into images
- The way docker packages containers into images is through the [docker commit] command, such as [docker commit -a "runoob.com" -m "my apache" a404c6c174a2 mymysql:v1].
- Docker 14628 2020-03-24 15:38:06
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- How docker obtains container root permissions
- The method for docker to obtain root permissions of a container is: 1. Execute the [docker ps] command to view the [CONTAINER ID] of the container; 2. Execute the command [docker exec -ti -u root 2209371edd48 bash] to obtain root permissions.
- Docker 3801 2020-03-24 15:25:28
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- How docker starts image
- The method for docker to start the image is: 1. Execute the command [pip install docker-compose] to install the plug-in; 2. Execute the command [docker-compose up] to start the image.
- Docker 6262 2020-03-24 15:18:13
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- What should I do if docker cannot be accessed by the outside world?
- The solution to the problem that docker cannot be accessed by the outside world is: 1. Restart iptables; 2. Execute the command [iptables -t nat -A POSTROUTING -s 172.17.0.0/16 ! -o docker0 -j MASQUERADE] to add rules.
- Docker 2233 2020-03-24 14:40:59
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- What should I do if docker cannot delete the container?
- The solution to the problem that docker cannot delete the container is: 1. First, execute the umount command to cancel the mounting; 2. Then, execute the command [docker kill --signal=SIGINT caf8ef20f3c1] to delete the container service.
- Docker 4241 2020-03-24 14:25:36
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- What are the advantages of docker
- Advantages of docker: 1. Fast, docker shares an operating system through kernel sharing, which improves the speed of starting and stopping docker containers; 2. Portability, as long as the docker container is still running, the application can be guaranteed to work normally run.
- Docker 3360 2020-03-24 14:09:20
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- There are several states of docker containers
- Docker containers are roughly divided into three states from generation to running deployment: 1. Dockerfile, a template file used to create an image image; 2. Image, an image file; 3. Container, a container.
- Docker 9967 2020-03-24 14:00:32
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- How to check the created container ID in docker
- How to check the container ID with docker: 1. Use the docker ps -aqf "name=containername" command to check. 2. Use the docker inspect --format="{{.Id}}"container_name command to view.
- Docker 17211 2020-03-24 13:58:30
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- How to check the specific version number in docker
- How to check the specific version number of docker: You can use the docker version command to check the specific version number. The docker version command is used to display Docker version information.
- Docker 5974 2020-03-24 13:52:31
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- What should I do if the docker container port cannot be accessed?
- The solution to the problem that the docker container port cannot be accessed is: 1. Execute the command [docker stop $(docker ps -a -q)] to stop all containers; 2. Execute the command [docker rm $(docker ps -aq)] to delete all container.
- Docker 5437 2020-03-24 13:50:31
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- What is the difference between docker and vmware
- The difference between docker and vmware is: vmware is a slave operating system created based on the host machine operating system. The docker daemon replaces the slave operating system in VMware. It is a background process running on the operating system and is used to manage docker. container.
- Docker 5652 2020-03-24 13:40:28
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