linux下docker安装

安装流程

如果已经安装旧的版本先卸载

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yum install -y yum-utils \
  device-mapper-persistent-data \
  lvm2

安装测试阶段可以先关闭防火墙

#关闭防火墙
service firewalld stop

#禁用防火墙
systemctl disable firewalld

安装

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yum install -y yum-utils \
  device-mapper-persistent-data \
  lvm2

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yum-config-manager \
    --add-repo \
    https://download.docker.com/linux/centos/docker-ce.repo

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

docker 一些相关的命令

#启动
systemctl start docker 
# 或 
service docker start

#设置开机自启动
systemctl enable docker

#重启docker服务
service docker restart

#查看哪些已经设置了开机启动
systemctl list-unit-files | grep enable

docker 一些相关配置

#docker镜像仓库配置

#编辑文件
vim /etc/docker/daemon.json

#添加
{
  "insecure-registries": [
    "192.168.100.1:5001"
  ],
  "log-driver":"json-file",
  "log-opts": {"max-size":"500m", "max-file":"3"}
}

#配置docker 目录环境变量
#docker env variables
export CONF_DIR=/javafamily/docker/configs
export VOLUME_DATA_DIR=/javafamily/docker/volumes 
export LOGS_DIR=/javafamily/docker/logs