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Which resources docker isolates

Which resources docker isolates

The resources that docker isolates: 1. File system; 2. Network; 3. Communication between processes; 4. Users and user groups for permissions; 5. PID within the process and PID of the host; 6. Host name and domain name, etc.

Jan 28, 2022 pm 03:35 PM
docker 资源隔离
What are the security features of docker?

What are the security features of docker?

Docker security features include: 1. Encrypted node ID; 2. TLS-based authentication mechanism; 3. Secure access token; 4. CA configuration that supports automatic renewal of periodic certificates; 5. Encrypted cluster storage; 6. Encrypted network; 7. Docker security scanning; 8. Docker content trust; 9. Docker key, etc.

Jan 28, 2022 pm 03:21 PM
docker 安全特性
What are the docker monitoring tools?

What are the docker monitoring tools?

Docker monitoring tools include: 1. cAdvisor; 2. Docker stats; 3. Sysdig; 4. ManageEngine Applications Manager; 5. Prometheus; 6. Dynatrace; 7. Sensu, etc.

Jan 28, 2022 pm 02:57 PM
docker 监控工具
What benefits does docker bring to operation and maintenance personnel?

What benefits does docker bring to operation and maintenance personnel?

The benefits that docker brings to operation and maintenance personnel: 1. More efficient use of system resources; 2. Faster startup time; 3. Consistent operating environment; 4. Continuous delivery and deployment; 5. Easier migration; 6. More Easy maintenance and expansion.

Jan 28, 2022 pm 02:47 PM
docker 运维
What are docker and k8s

What are docker and k8s

Docker is an open source application container engine that allows developers to package applications and dependencies into a portable container and publish them to popular Linux machines. The full name of k8s is "Kubernetes". It is an open source container cluster management system that can realize automatic deployment, automatic expansion and contraction, maintenance and other functions of container clusters.

Jan 28, 2022 pm 02:40 PM
docker k8s
Docker has several network modes

Docker has several network modes

In docker, there are four network modes, namely host mode containers share the host's IP address and port number, container mode shares the container IP address and port, none mode containers do not have network cards and other information, and bridge mode containers can directly communicate with each other.

Jan 28, 2022 pm 02:30 PM
docker
What is a docker data volume?

What is a docker data volume?

In docker, a data volume is a special directory on the host that can be used by one or more containers. It can be shared and reused between containers. It is more efficient to transfer data between local and containers; modifications to the data volume will be effective immediately. , the data volume can be modified both inside the container and in the local directory.

Jan 28, 2022 pm 02:28 PM
docker 数据卷
What is Docker CE

What is Docker CE

Docker CE refers to the Docker Community Edition, which is used for developers or small teams to create container-based applications, share them with team members, and automate the development pipeline. Docker CE version provides simple installation and fast installation so that you can start developing immediately.

Jan 28, 2022 pm 01:58 PM
Docker Docker CE
what is docker swarm

what is docker swarm

Swarm is a cluster management tool officially provided by Docker. Its main function is to abstract several Docker hosts into a whole and uniformly manage various Docker resources on these Docker hosts through one entrance.

Jan 28, 2022 pm 01:47 PM
docker swarm
What is the difference between run and start in docker

What is the difference between run and start in docker

The difference between run and start in docker: the run command is only used when running the image operation for the first time, which is equivalent to performing a two-step operation, putting the image into the container and then starting the container; while the start command restarts the existing image When used, you need to know the ID or name of the container to use this command.

Jan 28, 2022 am 11:55 AM
docker
What is the difference between docker and openvz

What is the difference between docker and openvz

The difference between docker and openvz: When docker creates a container, it may need the help of some other containers and treats the container as an application and service, while openvz treats the container as a vps when creating a container, like making a virtual server.

Jan 28, 2022 am 11:42 AM
docker
What is the difference between jvm and docker

What is the difference between jvm and docker

Differences: 1. Docker runs with almost no additional performance loss, while JVM will have additional CPU and memory losses; 2. Docker is portable, flexible, and can be used with Linux, while JVM is relatively bulky and has a high degree of coupling with the virtual machine; 3. The image stored by docker is small, while the image stored by jvm is huge.

Jan 28, 2022 am 11:01 AM
docker
What is the difference between docker installation of mysql and direct installation?

What is the difference between docker installation of mysql and direct installation?

Differences: 1. Docker installation is faster and more efficient than direct installation; 2. Docker installation has good isolation and does not interfere with each other; 3. The performance of docker installation is close to native, while the performance of direct installation is lower; 4. Docker's uninstallation management is more convenient, just delete the container and image directly.

Jan 28, 2022 am 10:46 AM
docker
What is the difference between arg and env in docker

What is the difference between arg and env in docker

The difference between arg and env in docker is: arg exists during build and can be used as a variable in the Dockerfile, while env is an environment variable after the container is built and cannot be used as a parameter in the Dockerfile.

Jan 28, 2022 am 10:40 AM
docker

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