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Linux and Docker: Docker on Different Linux Distributions

Linux and Docker: Docker on Different Linux Distributions

The methods of installing and using Docker on Ubuntu, CentOS, and Debian are different. 1) Ubuntu: Use the apt package manager, the command is sudoapt-getupdate&&sudoapt-getinstalldocker.io. 2) CentOS: Use the yum package manager and you need to add the Docker repository. The command is sudoyumininstall-yyum-utils&&sudoyum-config-manager--add-repohttps://download.docker.com/lin

Apr 19, 2025 am 12:10 AM
Docker Linux
Mastering Docker: A Guide for Linux Users

Mastering Docker: A Guide for Linux Users

Using Docker on Linux can improve development efficiency and simplify application deployment. 1) Pull Ubuntu image: dockerpullubuntu. 2) Run Ubuntu container: dockerrun-itubuntu/bin/bash. 3) Create Dockerfile containing nginx: FROMubuntu;RUNapt-getupdate&&apt-getinstall-ynginx;EXPOSE80. 4) Build the image: dockerbuild-tmy-nginx. 5) Run container: dockerrun-d-p8080:80

Apr 18, 2025 am 12:08 AM
Docker Linux
Docker on Linux: Applications and Use Cases

Docker on Linux: Applications and Use Cases

Docker simplifies application deployment and management on Linux. 1) Docker is a containerized platform that packages applications and their dependencies into lightweight and portable containers. 2) On Linux, Docker uses cgroups and namespaces to implement container isolation and resource management. 3) Basic usages include pulling images and running containers. Advanced usages such as DockerCompose can define multi-container applications. 4) Debug commonly used dockerlogs and dockerexec commands. 5) Performance optimization can reduce the image size through multi-stage construction, and keeping the Dockerfile simple is the best practice.

Apr 17, 2025 am 12:10 AM
Docker Linux
Docker: Containerizing Applications for Portability and Scalability

Docker: Containerizing Applications for Portability and Scalability

Docker is a Linux container technology-based tool used to package, distribute and run applications to improve application portability and scalability. 1) Dockerbuild and dockerrun commands can be used to build and run Docker containers. 2) DockerCompose is used to define and run multi-container Docker applications to simplify microservice management. 3) Using multi-stage construction can optimize the image size and improve the application startup speed. 4) Viewing container logs is an effective way to debug container problems.

Apr 16, 2025 am 12:09 AM
Docker 容器化
How to start containers by docker

How to start containers by docker

Docker container startup steps: Pull the container image: Run "docker pull [mirror name]". Create a container: Use "docker create [options] [mirror name] [commands and parameters]". Start the container: Execute "docker start [Container name or ID]". Check container status: Verify that the container is running with "docker ps".

Apr 15, 2025 pm 12:27 PM
docker nginx
How to view logs from docker

How to view logs from docker

The methods to view Docker logs include: using the docker logs command, for example: docker logs CONTAINER_NAME Use the docker exec command to run /bin/sh and view the log file, for example: docker exec -it CONTAINER_NAME /bin/sh ; cat /var/log/CONTAINER_NAME.log Use the docker-compose logs command of Docker Compose, for example: docker-compose -f docker-com

Apr 15, 2025 pm 12:24 PM
docker
How to check the name of the docker container

How to check the name of the docker container

You can query the Docker container name by following the steps: List all containers (docker ps). Filter the container list (using the grep command). Gets the container name (located in the "NAMES" column).

Apr 15, 2025 pm 12:21 PM
docker nginx
How to create containers for docker

How to create containers for docker

Create a container in Docker: 1. Pull the image: docker pull [mirror name] 2. Create a container: docker run [Options] [mirror name] [Command] 3. Start the container: docker start [Container name]

Apr 15, 2025 pm 12:18 PM
docker nginx
How to exit the container by docker

How to exit the container by docker

Four ways to exit Docker container: Use Ctrl D in the container terminal Enter exit command in the container terminal Use docker stop <container_name> Command Use docker kill <container_name> command in the host terminal (force exit)

Apr 15, 2025 pm 12:15 PM
docker
How to copy files in docker to outside

How to copy files in docker to outside

Methods for copying files to external hosts in Docker: Use the docker cp command: Execute docker cp [Options] <Container Path> <Host Path>. Using data volumes: Create a directory on the host, and use the -v parameter to mount the directory into the container when creating the container to achieve bidirectional file synchronization.

Apr 15, 2025 pm 12:12 PM
docker
How to start mysql by docker

How to start mysql by docker

The process of starting MySQL in Docker consists of the following steps: Pull the MySQL image to create and start the container, set the root user password, and map the port verification connection Create the database and the user grants all permissions to the database

Apr 15, 2025 pm 12:09 PM
mysql docker
How to restart docker

How to restart docker

How to restart the Docker container: get the container ID (docker ps); stop the container (docker stop <container_id>); start the container (docker start <container_id>); verify that the restart is successful (docker ps). Other methods: Docker Compose (docker-compose restart) or Docker API (see Docker documentation).

Apr 15, 2025 pm 12:06 PM
docker
How to update the image of docker

How to update the image of docker

The steps to update a Docker image are as follows: Pull the latest image tag New image Delete the old image for a specific tag (optional) Restart the container (if needed)

Apr 15, 2025 pm 12:03 PM
docker 数据丢失
How to copy the files in docker

How to copy the files in docker

There are three ways to copy files from a Docker container: use the Docker cp command: docker cp [Options] <Container Path> <Host Path> Use the docker exec command: docker exec container-id cat /my-file > /my-path/on-host mounted volume: docker run -v <Host Path>:<Container Path> <Mirror&

Apr 15, 2025 pm 12:00 PM
docker

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