Docker学习笔记 01安装和卸载

确认学习环境(Centos 7)

cat /etc/os-release

NAME="CentOS Linux"
VERSION="7 (Core)"
ID="centos"
ID_LIKE="rhel fedora"
VERSION_ID="7"
PRETTY_NAME="CentOS Linux 7 (Core)"
ANSI_COLOR="0;31"
CPE_NAME="cpe:/o:centos:centos:7"
HOME_URL="https://www.centos.org/"
BUG_REPORT_URL="https://bugs.centos.org/"

CENTOS_MANTISBT_PROJECT="CentOS-7"
CENTOS_MANTISBT_PROJECT_VERSION="7"
REDHAT_SUPPORT_PRODUCT="centos"
REDHAT_SUPPORT_PRODUCT_VERSION="7"

帮助文档

https://docs.docker.com/engin...

1.删除旧版本

sudo yum remove docker \
                  docker-client \
                  docker-client-latest \
                  docker-common \
                  docker-latest \
                  docker-latest-logrotate \
                  docker-logrotate \
                  docker-engine

2.需要的安装包

sudo yum install -y yum-utils

3.设置镜像仓库（阿里云）

yum-config-manager \
    --add-repo \
    http://mirrors.aliyun.com/docker-ce/linux/centos/docker-ce.repo

阿里云镜像加速
https://help.aliyun.com/docum...

sudo mkdir -p /etc/docker
sudo tee /etc/docker/daemon.json <<-'EOF'
{
  "registry-mirrors": ["https://***.mirror.aliyuncs.com"]
}
EOF
sudo systemctl daemon-reload
sudo systemctl restart docker

4.更新yum索引

yum makecache fast

5.安装Docker （docker-ce 社区 docker-ee企业）

sudo yum install docker-ce docker-ce-cli containerd.io

6.启动docker

systemctl start docker 

7.查看版本

docker version

8.运行hello world

sudo docker run hello-world
docker images

REPOSITORY    TAG       IMAGE ID       CREATED        SIZE
hello-world   latest    d1165f221234   4 months ago   13.3kB

9.卸载Docker

#1.卸载依赖
 sudo yum remove docker-ce docker-ce-cli containerd.io
#2.删除资源
 sudo rm -rf /var/lib/docker
 sudo rm -rf /var/lib/containerd

教程地址
【狂神说Java】Docker最新超详细版教程通俗易懂