部署docker

# 安装 docker
# 参考文档如下
# https://docs.docker.com/install/linux/docker-ce/centos/ 
# https://docs.docker.com/install/linux/linux-postinstall/

# 系统版本 CentOS Linux release 7.9.2009 (Core) x64
# 内核版本 Linux dashuju01 3.10.0-1160.el7.x86_64 #1 SMP Mon Oct 19 16:18:59 UTC 2020 x86_64 x86_64 x86_64 GNU/Linux
# 系统版本 Anolis OS release 7.9 x64
# 内核版本 Linux k8s01.fengyue.com 3.10.0-1160.an7.x86_64 #1 SMP Thu Oct 14 16:04:36 CST 2021 x86_64 x86_64 x86_64 GNU/Linux


# 卸载旧版本
yum remove -y docker \
docker-client \
docker-client-latest \
docker-ce-cli \
docker-common \
docker-latest \
docker-latest-logrotate \
docker-logrotate \
docker-selinux \
docker-engine-selinux \
docker-engine

# 设置 yum repository
yum install -y yum-utils device-mapper-persistent-data lvm2 wget nfs-utils
yum-config-manager --add-repo http://mirrors.aliyun.com/docker-ce/linux/centos/docker-ce.repo

# 安装并启动 docker
yum install -y docker-ce docker-ce-cli containerd.io
systemctl enable docker
systemctl start docker




# 关闭 防火墙
systemctl stop firewalld
systemctl disable firewalld

# 关闭 SeLinux
setenforce 0
sed -i "s/SELINUX=enforcing/SELINUX=disabled/g" /etc/selinux/config

# 修改 /etc/sysctl.conf
# 如果有配置则修改
sed -i "s#^net.ipv4.ip_forward.*#net.ipv4.ip_forward=1#g"  /etc/sysctl.conf
sed -i "s#^net.bridge.bridge-nf-call-ip6tables.*#net.bridge.bridge-nf-call-ip6tables=1#g"  /etc/sysctl.conf
sed -i "s#^net.bridge.bridge-nf-call-iptables.*#net.bridge.bridge-nf-call-iptables=1#g"  /etc/sysctl.conf
sed -i "s#^net.ipv6.conf.all.disable_ipv6.*#net.ipv6.conf.all.disable_ipv6=1#g"  /etc/sysctl.conf
sed -i "s#^net.ipv6.conf.default.disable_ipv6.*#net.ipv6.conf.default.disable_ipv6=1#g"  /etc/sysctl.conf
sed -i "s#^net.ipv6.conf.lo.disable_ipv6.*#net.ipv6.conf.lo.disable_ipv6=1#g"  /etc/sysctl.conf
sed -i "s#^net.ipv6.conf.all.forwarding.*#net.ipv6.conf.all.forwarding=1#g"  /etc/sysctl.conf
# 可能没有追加
echo "net.ipv4.ip_forward = 1" >> /etc/sysctl.conf
echo "net.bridge.bridge-nf-call-ip6tables = 1" >> /etc/sysctl.conf
echo "net.bridge.bridge-nf-call-iptables = 1" >> /etc/sysctl.conf
echo "net.ipv6.conf.all.disable_ipv6 = 1" >> /etc/sysctl.conf
echo "net.ipv6.conf.default.disable_ipv6 = 1" >> /etc/sysctl.conf
echo "net.ipv6.conf.lo.disable_ipv6 = 1" >> /etc/sysctl.conf
echo "net.ipv6.conf.all.forwarding = 1"  >> /etc/sysctl.conf
echo "fs.inotify.max_user_watches=524288"  >> /etc/sysctl.conf
echo "vm.max_map_count=655360"  >> /etc/sysctl.conf

# 执行命令以应用
sysctl -p
# 镜像加速

cat > /etc/docker/daemon.json<<-EOF                                                                                                                                     
{                                                                                                                                                                                                                                                                                                              
    "registry-mirrors": [                                                                                                                                               
        "https://hub-mirror.c.163.com",                                                                                                                                 
        "https://mirror.baidubce.com",                                                                                                                                  
        "http://f1361db2.m.daocloud.io",
        ""
    ]                                                                                                                                                                   
}                                                                                                                                                                       

{
  "log-driver":"json-file",
  "log-opts": {"max-size":"500m", "max-file":"3"}
}

{
  "exec-opts": ["native.cgroupdriver=systemd"]
}


EOF


# 重启 docker
systemctl daemon-reload

systemctl restart docker

docker info | grep "Docker Root Dir"

docker run hello-world

docker version