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 runtimeDocumentation=https://containerd.ioAfter=network.target local-fs.target[Service]ExecStartPre=-/sbin/modprobe overlayExecStart=/usr/bin/containerdType=notifyDelegate=yesKillMode=processRestart=alwaysRestartSec=5LimitNPROC=infinityLimitCORE=infinityLimitNOFILE=1048576TasksMax=infinityOOMScoreAdjust=-999[Install]WantedBy=multi-user.targetEOFsystemctl 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 EngineDocumentation=https://docs.docker.comAfter=network-online.target firewalld.service containerd.serviceWants=network-online.targetRequires=docker.socket containerd.service[Service]Type=notifyExecStart=/usr/bin/dockerd -H fd:// --containerd=/run/containerd/containerd.sockExecReload=/bin/kill -s HUP $MAINPIDTimeoutSec=0RestartSec=2Restart=alwaysStartLimitBurst=3StartLimitInterval=60sLimitNOFILE=infinityLimitNPROC=infinityLimitCORE=infinityTasksMax=infinityDelegate=yesKillMode=processOOMScoreAdjust=-500[Install]WantedBy=multi-user.targetEOF#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.sockSocketMode=0660SocketUser=rootSocketGroup=docker[Install]WantedBy=sockets.targetEOF

启动验证

#创立docker组groupadd docker#启动dockersystemctl 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"}EOFsystemctl restart docker

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