关于docker:使用二进制方式安装Docker

长期应用装置工具进行装置 docker，明天用二进制形式手动装置一下 docker 环境。

 二进制包下载地址：https://download.docker.com/linux/static/stable/x86_64/

#解压
tar xf docker-20.10.9.tgz 
#拷贝二进制文件
cp docker/* /usr/bin/
#创立 containerd 的 service 文件, 并且启动
cat >/etc/systemd/system/containerd.service <<EOF
[Unit]
Description=containerd container runtime
Documentation=https://containerd.io
After=network.target local-fs.target


[Service]
ExecStartPre=-/sbin/modprobe overlay
ExecStart=/usr/bin/containerd
Type=notify
Delegate=yes
KillMode=process
Restart=always
RestartSec=5
LimitNPROC=infinity
LimitCORE=infinity
LimitNOFILE=1048576
TasksMax=infinity
OOMScoreAdjust=-999


[Install]
WantedBy=multi-user.target
EOF


systemctl enable --now containerd.service

筹备 docker 的 service 文件

# 筹备 docker 的 service 文件
cat > /etc/systemd/system/docker.service <<EOF
[Unit]
Description=Docker Application Container Engine
Documentation=https://docs.docker.com
After=network-online.target firewalld.service containerd.service
Wants=network-online.target
Requires=docker.socket containerd.service


[Service]
Type=notify
ExecStart=/usr/bin/dockerd -H fd:// --containerd=/run/containerd/containerd.sock
ExecReload=/bin/kill -s HUP $MAINPID
TimeoutSec=0
RestartSec=2
Restart=always
StartLimitBurst=3
StartLimitInterval=60s
LimitNOFILE=infinity
LimitNPROC=infinity
LimitCORE=infinity
TasksMax=infinity
Delegate=yes
KillMode=process
OOMScoreAdjust=-500


[Install]
WantedBy=multi-user.target
EOF
#筹备 docker 的 socket 文件
cat > /etc/systemd/system/docker.socket <<EOF
[Unit]
Description=Docker Socket for the API


[Socket]
ListenStream=/var/run/docker.sock
SocketMode=0660
SocketUser=root
SocketGroup=docker


[Install]
WantedBy=sockets.target
EOF

启动验证

# 创立 docker 组
groupadd docker
#启动 docker
systemctl enable --now docker.socket  && systemctl enable --now docker.service
#验证
docker info

创立 docker 配置文件

cat >/etc/docker/daemon.json <<EOF
{"exec-opts": ["native.cgroupdriver=systemd"],
  "registry-mirrors": [
    "https://docker.mirrors.ustc.edu.cn",
    "http://hub-mirror.c.163.com"
  ],
  "max-concurrent-downloads": 10,
  "log-driver": "json-file",
  "log-level": "warn",
  "log-opts": {
    "max-size": "10m",
    "max-file": "3"
    },
  "data-root": "/var/lib/docker"
}
EOF
systemctl restart docker

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