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- Is docker an operating system?
- Docker is not an operating system; an operating system is a set of interrelated system software programs that supervise and control computer operations, use and run hardware and software resources, and provide public services to organize user interaction, while docker is a system used for development, delivery As an open platform for running applications, Docker can also manage infrastructure in the same way as applications.
- Docker 3134 2022-07-25 16:27:12
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- What should I do if docker cannot stop deleting containers?
- Solution: 1. Use "docker ps" to find the running container ID; 2. Use "cd /var/lib/docker/container" to find the physical location of the specified container; 3. Use "service docker stop" to stop the docker service; 4. . Use "rm -rf /var/lib/docker/container/{specified id}" to delete the physical container, and then restart the docker service.
- Docker 5271 2022-07-25 16:21:35
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- What does expose mean in docker?
- In docker, expose means marking information and is a way of document expression; expose can allow developers to quickly understand which services are opened by Image in the dockerfile. It cannot directly open the port, which is convenient for operation and maintenance personnel when using the container. , know which ports to open. If there is no expose port, services between Containers can also access each other.
- Docker 4772 2022-07-25 16:12:26
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- How to solve oci error in docker
- Method: 1. Use "docker exec -it container name/bin/bash" to enter the container; 2. Use "apt update && apt install -y iproute2" to update the command resources; 3. Execute "apt-get update", "apt install net-tools" and "apt install iputils-ping" commands; 4. Use "exit" to exit the container and re-execute the command.
- Docker 2714 2022-07-25 16:05:34
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- How to exit docker container without closing the container
- There are two ways for docker to exit the container without closing the container: 1. Press the "Ctrl+P+Q" button to exit the container, and you can exit normally without closing the container; 2. When exiting, you can use the "docker restart" command to restart the container and the attach command. After entering the container, restart httpd and radosgw, and use wget to verify whether radosgw is successfully restarted.
- Docker 23459 2022-07-25 15:51:25
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- What do ci and cd mean in docker?
- In docker, ci refers to Continuous Integration (Continuous Integration), and cd refers to Continuous Deployment (Continuous Deployment); "CI/CD" is a method of frequently delivering applications to customers by introducing automation in the application development phase. Its core concepts are continuous integration, continuous delivery and continuous deployment.
- Docker 3278 2022-07-25 15:45:31
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- How to set docker not to start when booting
- How to set docker not to start at startup: 1. Use "systemctl list-unit-files | grep enable" to check whether the docker server and container are set to start at startup; 2. Use "systemctl disable docker.service" to turn off startup.
- Docker 8210 2022-07-22 16:05:49
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- Can docker install cuda?
- cuda can be installed in docker; upload the downloaded software package to the specified directory and execute "sudo sh cuda_downloaded version_linux.run" to install it. cuda is a computing platform withdrawn from the graphics card manufacturer NVIDIA. After the installation is completed, you can Use "nvidia-smi" to view the installed cuda version.
- Docker 5448 2022-07-22 16:01:03
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- What to do if docker storage space is insufficient
- Solution: 1. After stopping the docker service, use "rsync -avz /var/lib/docker large disk directory /docker/lib/" to migrate docker to a large-capacity disk; 2. Edit "/etc/docker/daemon. json" to add specified parameters to bind the docker directory migration; 3. Reload and restart the docker service.
- Docker 14923 2022-07-22 15:44:10
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- What should I do if mysql installed with docker cannot be accessed remotely?
- Solution: 1. Log in to the mysql container, and then enter mysql. The syntax is "docker exec -it mysql /bin/bash..."; 2. Use "alter user 'root'@'%' identified with mysql_native_password by '. ..';"Change the login password; 3. Use navicat to remotely connect to mysql.
- Docker 9640 2022-07-22 15:35:18
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- Does docker come with jdk?
- Docker does not come with jdk; docker containers do not have jdk by default. If you need to run a java program, you need to install jdk in the host machine or install jdk in the container. The full name of jdk is "Java Development Kit", which refers to software development in the java language. Toolkit, mainly used for the development of Java applications on mobile devices and embedded devices.
- Docker 2048 2022-07-22 15:26:58
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- What is docker's guarded container?
- Docker's daemon container is a container that has no long-term running, no interactive session and is suitable for running applications and services; you can use the "docker run -d image name [COMMAND] [ARG...]" command to start the daemon container. Setting the parameter to "-d" indicates that the container will be started in the background.
- Docker 2102 2022-07-21 17:03:41
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- What is the difference between docker, kvm, and xen virtualization?
- The difference between docker, kvm, and xen virtualization: 1. Docker is more resource-efficient than kvm and can provide performance very close to the host, while kvm resource isolation is higher than docker, and kvm supports more operating system types; 2. docker is Containerization and startup can be achieved in seconds, which is much faster than kvm and xen virtualization.
- Docker 6688 2022-07-14 15:07:41
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- What is the difference between stop and pause in docker?
- The difference between stop and pause in docker: 1. The stop command is used to stop a running container, and the pause command is used to pause all processes in the container; 2. Using the stop command, the main process in the container will be killed within the specified time. The default is ten seconds. Using the pause command will suspend all processes in the specified container.
- Docker 6841 2022-07-14 14:53:21
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- What is the docker tag used for?
- In docker, tag is a command used to mark a local image and classify it into a certain warehouse; this command can be used to tag the image, and the syntax is "docker tag [OPTIONS] IMAGE[:TAG] [REGISTRYHOST/] [USERNAME/]NAME[:TAG]".
- Docker 9060 2022-07-14 11:27:14
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