Docker环境配置以及问题解决方案

cat /proc/version
Linux version 3.10.0-1062.1.2.el7.x86_64 (mockbuild@kbuilder.bsys.centos.org) (GCc version 4.8.5 20150623 (Red Hat 4.8.5-39) (GCC) ) #1 SMP Mon Sep 30 14:19:46 UTC 2019

uname -r // 查看系统内核
3.10.0-1062.1.2.el7.x86_64

cat /etc/os-release // 查看系统配置
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"

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

yum install -y yum-utils

yum-config-manager \
    --add-repo \
    https://download.docker.com/linux/centos/docker-ce.repo // 默认是国外的
    
		http://mirrors.aliyun.com/docker-ce/linux/centos/docker-ce.repo //  阿里云镜像地址    

yum makecache fast

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

# 1 
sudo mkdir -p /etc/docker

# 2 编写配置文件
sudo tee /etc/docker/daemon.JSON <<-'EOF'
{
  "reGIStry-mirrors": ["https://xxxx.mirror.aliyuncs.com"]
}
EOF

# 3 重新加载配置
sudo systemctl daemon-reload

# 4 启动
sudo systemctl restart docker

# 1. 卸载依赖
yum remove docker-ce docker-ce-cli containerd.io

# 2. 删除目录
rm -rf /var/lib/docker
rm -rf /var/lib/containerd

"storage-driver": "overlay2",
  "storage-opts": [
    "overlay2.override_kernel_check=true"
 ]

# 守护进程重启
sudo systemctl daemon-reload

# 重启docker服务
sudo systemctl restart docker

# 关闭docker
sudo systemctl stop docker