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Can docker delete logs?

Can docker delete logs?

Docker can delete logs. Deletion method: 1. Use the "docker logs -f container id" command to view the container log, and use the cd command to enter the docker container directory; 2. Use the "cd container id() rm -rf container id.log" command to delete the file ending with ". file ending with "log"; 3. Use "docker restart container name or container id" to restart the file.

Aug 17, 2022 pm 04:42 PM
Docker
Is the docker image transport layered?

Is the docker image transport layered?

The transmission of docker images is layered; because the docker image is built in layers, the process of building the image is disassembled, the common points with other services are found, and it is formulated as a basic image. Each specification in the Dockerfile will create a new layer. This saves disk space, so the transfer of docker images is layered.

Aug 17, 2022 pm 04:33 PM
Docker
What does network mode in docker mean?

What does network mode in docker mean?

The meaning of docker network mode: 1. Bridge mode, the default network driver model, will automatically configure its own network information when the docker container starts; 2. Host mode, breaks the network isolation between the Docker container and the host, directly Use the network environment of the host; 3. Overlay mode, which can connect multiple docker daemons or satisfy communication between cluster services; 4. none mode, which disables the network driver; 5. plugins mode, uses third-party network driver plug-ins.

Aug 17, 2022 pm 04:25 PM
Docker
Does win10 professional version come with docker?

Does win10 professional version come with docker?

The win10 professional version does not come with docker; the win10 professional version system first needs to enable hardware virtualization and the "Hyper-V" function before the "Docker for Windows" software can be installed, so the win10 professional version does not come with docker.

Aug 17, 2022 pm 04:11 PM
Docker
How docker solve the problem that crontab does not take effect

How docker solve the problem that crontab does not take effect

Solution: 1. Check whether "/etc/init.d/crond status" in the container is in running status; 2. Modify the "/etc/pam.d/crond" file and change "required" to "sufficient" ;3. Use "/etc/init.d/crond restart" to restart the crond service.

Aug 16, 2022 pm 06:18 PM
Docker
What is docker container technology

What is docker container technology

Docker container technology refers to the fact that Docker is a container run by a program written in the GO language, which implements an application-level isolation; docker is designed for developers and system administrators to publish and run distributed applications. an open platform.

Aug 16, 2022 pm 06:02 PM
Docker
What does build mean in docker?

What does build mean in docker?

In docker, build means "create"; this command is used to build a Docker image based on the given Dockerfile and context. The syntax is "docker build [OPTIONS] PATH | URL | -". Dockerfile is a file used to build the image. A text file containing the instructions and instructions required to build the image.

Aug 16, 2022 pm 05:38 PM
Docker
What should I do if docker cannot access the external network?

What should I do if docker cannot access the external network?

There are two solutions for docker unable to access the external network: 1. Use "service docker stop", "pkill docker" and other operations to rebuild the network docker0; 2. Use "echo "net.ipv4.ip_forward=1" >> /etc/sysctl .conf" to modify the configuration and enable the ipv4 forwarding function of the host.

Aug 16, 2022 pm 05:22 PM
Docker
Can docker install centos?

Can docker install centos?

Docker can install centos. Installation method: 1. Check the available centos version and use "docker pull centos:centos7" to pull the image of the specified version; 2. Check the local image and use "docker run" to run the container; 3. Use the "docker ps" command. You can view container running information.

Aug 16, 2022 pm 05:08 PM
Docker
Why does docker use tags?

Why does docker use tags?

In docker, because tags can be used to mark local processes and classify them into a certain warehouse, the tag command needs to be used; the syntax of the tag command is "docker tag SOURCE_IMAGE[:TAG] original image TARGET_IMAGE[:TAG] new image" .

Aug 15, 2022 pm 06:19 PM
Docker
Does the docker container have an ip?

Does the docker container have an ip?

Docker containers have IPs; Docker containers can allocate and specify IPs, especially when building a cluster, which can prevent container IP confusion. When starting a docker container, using the default network does not support assigning a fixed IP, so you need to create a custom network and set a fixed IP.

Aug 15, 2022 pm 06:11 PM
Docker
Can a docker container only run one application?

Can a docker container only run one application?

A container in Docker can not only run one application; as long as the resources are sufficient, multiple applications can be run in a container. However, running multiple applications in a container has many disadvantages, which violates the original intention of the container. The container must be lightweight. ; If applications are placed together, it may cause problems with one process and make all processes inaccessible.

Aug 15, 2022 pm 06:06 PM
Docker
Can applications be deployed in docker?

Can applications be deployed in docker?

Applications can be deployed in docker. Deployment method: 1. Use "docker search..." to search for the specified application image; 2. Use "docker pull..." to pull the specified application image; 3. Use "mkdir" and cd commands to create a mounting directory; 4. Use "docker run..." to create a container.

Aug 15, 2022 pm 05:59 PM
Docker
What is the difference between paas and docker

What is the difference between paas and docker

The difference between paas and docker: 1. paas is the abbreviation of "Platform as a Service", which refers to platform as a service and provides an environment for customers, while docker is an open source application container engine that allows developers to package their Applications and dependency packages are integrated into a portable image; 2. The principle of the PaaS platform is "app-centric", which is application-centric, not container-centric, while docker is container-centric.

Aug 15, 2022 pm 05:42 PM
Docker

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