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- What is the difference between rm and rmi in docker?
- The difference between rm and rmi in docker: the rm command is used to delete one or more containers, while the rmi command is used to delete one or more mirrors; the syntax of the rm command is "docker rm [OPTIONS] CONTAINER [CONTAINER...]" , the syntax of rmi command is "docker rmi [OPTIONS] IMAGE [IMAGE...]".
- Docker 6292 2022-07-14 11:02:11
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- What is the difference between docker and jenkins
- The difference between docker and jenkins: 1. Docker is developed based on go language, while jenkins is developed using java; 2. docker adopts the "Apache 2.0" open source protocol, and jenkins adopts the MIT open source protocol; 3. docker is a virtualization container, which is a virtual machine , Jenkins is used for continuous, automated building and testing of software projects.
- Docker 9169 2022-07-14 10:29:16
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- What is the tag of docker?
- In docker, tag is a command used to label an image; the tag command can mark a local image and classify it into a certain warehouse. The syntax is "docker tag [OPTIONS] IMAGE[:TAG] [REGISTRYHOST/][ USERNAME/]NAME[:TAG]".
- Docker 7320 2022-07-08 16:20:09
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- What does docker cluster mean?
- In docker, a cluster is a group of multiple machines running docker and joined in a group. It is a group of service entities that work together. A cluster is used to provide a service platform that is more scalable and available than a single service entity. After joining the cluster, you can continue to run your own docker commands, but now these machines are executed on the cluster by the cluster manager, and the cluster manager can use different Policies to manage running containers.
- Docker 4532 2022-07-08 16:14:03
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- Can docker install oracle?
- Docker can install oracle. Installation method: 1. Pull the official Oracle image and use "docker images" to view the image; 2. After starting the container, use "docker exec -it oracle11g bash" to enter the container and edit the environment variables; 3. Use "sqlplus /nolog" Just enter the oracle command line.
- Docker 11865 2022-07-08 16:07:42
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- What does docker exec mean?
- In docker, exec is a command, which means to execute a command in a running container; using this command can execute the command in the container in the same way as on the host. When the parameter is set to "-d", Indicates running in the background, the syntax is "docker exec [OPTIONS] CONTAINER COMMAND [ARG...]".
- Docker 5435 2022-07-08 15:50:07
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- Which version of docker has built-in swarm?
- Starting from the "docker 1.12.0" version, swarm is built-in; swarm is a platform for managing docker clusters and is developed using the go language. Starting from the "1.12.0" version, "Docker Swarm" has been included in the Docker engine, and The service discovery tool has been built in, so there is no need to configure Etcd or Consul for service discovery configuration.
- Docker 1670 2022-07-08 15:39:57
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- What to do if docker reports error 2003 when connecting to mysql
- Solution: 1. Enter the mysql container of docker and use "GRANT ALL ON . TO 'root'@'%';" to authorize the user; 2. After refreshing the permissions, use "ALTER USER 'root'@'localhost ' IDENTIFIED BY 'password' PASSWORD EXPIRE NEVER;" Change the encryption rules; 3. Update the root user password and refresh the permissions.
- Docker 4639 2022-07-08 15:33:11
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- Can docker mount files?
- Docker can mount files; file mounting refers to mounting the specified file of the host to the file in the docker container. The file location is managed by the user. You can use the run command to mount the host file to the file in the container. The syntax It is "docker run --name <container name>...".
- Docker 7164 2022-07-08 15:23:56
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- Is docker free?
- Docker is free for small businesses, individuals, education, and non-commercial open source projects; on August 31, 2021, Docker announced that "Docker Desktop" will transform into "Docker Personal" and will only be provided for free to small businesses, individuals, and education and non-commercial open source projects, for other use cases a paid subscription is required.
- Docker 9605 2022-07-08 11:21:01
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- What does pod mean in docker
- pod in docker means a combined multi-container running unit; pod is a basic unit in Kubernetes and can be regarded as an extension or enhanced container of the container. When multiple processes are packaged in a "Name Space", A pod is formed, and the application packaging of different processes in the pod is still independent.
- Docker 5959 2022-07-08 11:11:33
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- Is docker a partitioned operating system?
- Docker is not a partitioned operating system; an operating system is a computer program that manages computer hardware and software resources, and docker refers to a docker container, an open source application container engine that can package applications and dependency packages into a portable image, and Publish to any popular operating system machine.
- Docker 2225 2022-07-08 10:42:17
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- What is run in docker
- In docker, run is a command used to create a new container and run a command; when executing "docker run", Docker will start a process and allocate its exclusive file system and exclusive network resources to this process. And the process group with this process as the root process, the syntax is "docker run [OPTIONS] IMAGE [COMMAND] [ARG...]".
- Docker 12674 2022-07-08 10:25:58
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- What is included in the docker image
- The docker image contains the programs, libraries, resources, configuration and other files required to provide the container runtime, as well as some configuration parameters prepared for the runtime; the image is a special file system that does not contain any dynamic data, and its content is It will not be changed after it is built.
- Docker 6265 2022-06-27 14:07:22
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- What are docker microservices
- Docker microservices refers to the way of developing a single application using a set of small services; each service runs in an independent process and is generally interconnected using a lightweight communication mechanism, and they can be deployed in an automated way; microservice idea It is to split the traditional single system into multiple interface services with single responsibilities and independent operation according to business.
- Docker 4204 2022-06-27 14:07:16
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