Docker简介

docker中文网站：https://www.docker-cn.com/

Docker Hub官网: https://hub.docker.com/

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Docker安装

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CentOS7安装Docker

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https://docs.docker.com/install/linux/docker-ce/centos/

https://docs.docker-cn.com/engine/installation/linux/docker-ce/centos/#prerequisites

  • cat /etc/redhat-release
  • yum -y install gcc
  • yum -y install gcc-c++
  • yum -y remove docker docker-common docker-selinux docker-engine
  • 2018.3官网版本
  • yum install -y yum-utils device-mapper-persistent-data lvm2
  • yum-config-manager –add-repo https://download.docker.com/linux/centos/docker-ce.repo(BUG)
  • yum-config-manager –add-repo http://mirrors.aliyun.com/docker-ce/linux/centos/docker-ce.repo(推荐)
  • yum makecache fast
  • yum -y install docker-ce
  • systemctl start docker
  • docker version
  • docker run hello-world
  • mkdir -p /etc/docker
  • vim /etc/docker/daemon.json
  • systemctl daemon-reload
  • systemctl restart docker
  • systemctl stop docker
  • yum -y remove docker-ce
  • rm -rf /var/lib/docker

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Docker常用命令

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容器命令 （⭐️）

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新建并启动容器

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docker run [OPTIONS] IMAGE [COMMAND] [ARG...]

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列出当前所有正在运行的容器

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docker ps [OPTIONS]

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退出容器

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exit 容器停止退出
ctrl+P+Q  容器不停止退出

启动容器

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docker start 容器ID或者容器名

停止容器

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docker stop 容器ID或者容器名

强制停止容器

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docker kill 容器ID或者容器名

删除已停止的容器

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docker rm 容器ID

一次性删除多个容器
docker rm -f $(docker ps -a -q)

docker ps -a -q | xargs docker rm

启动守护式容器（后台启动 不开新的端口）

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docker run -d 容器名

查看容器日志

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docker logs -f -t --tail 容器ID

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查看容器内运行的进程

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docker top 容器ID

查看容器内部细节

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docker inspect 容器ID

Docker镜像

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Docker容器数据卷

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