Docker安装
安装
安装方法1 自动安装
curl -sSL https://get.daocloud.io/docker | sh
安装方法2
yum安装 从高到低列出Docker-ce的版本
yum list docker-ce.x86_64 --showduplicates | sort -r
安装方法3(建议使用这种方法安装)
yum install -y epel-release
yum install docker-io
# 安装docker
chkconfig docker on
# 加入开机启动
service docker start
# 启动docker服务
# 开机自启
sudo systemctl enable docker
# 启动docker服务
sudo systemctl start docker
Docker 使用
实例:hello world
[root@hadoop2 opt]# docker image pull library/hello-world
Using default tag: latest
Trying to pull repository docker.io/library/hello-world ...
latest: Pulling from docker.io/library/hello-world
0e03bdcc26d7: Pull complete
Digest: sha256:e7c70bb24b462baa86c102610182e3efcb12a04854e8c582838d92970a09f323
Status: Downloaded newer image for docker.io/hello-world:latest
[root@hadoop2 opt]# docker image ls
REPOSITORY TAG IMAGE ID CREATED SIZE
docker.io/hello-world latest bf756fb1ae65 11 months ago 13.3 kB
posted on 2021-01-07 15:19 shumeigang 阅读(82) 评论(0) 编辑 收藏 举报