各操作系统版本下载地址

mac 版：https://download.docker.com/mac
linux版：https://download.docker.com/linux
win版：https://download.docker.com/win

1.Mac 安装docker

dmg方式：官网下载安装包.dmg 直接安装即可。（安装步骤略）

也可以使用tgz方式，手动安装，安装教程同下，只不过使用的包是mac版。

mac版tgz包下载：https://download.docker.com/mac/static/stable/x86_64/ tgz的安装步骤，参看下文。

2.Linux 安装docker

yum方式安装：yum install -y docker-ce

shell在线安装：curl -sSL https://get.docker.com | sh

以上两种方式，均需要服务器能连接外网，且安装简单快捷。

当服务器无法连接外网时，推荐使用tgz包方式手动安装，这也是本文接下来重点描述的安装步骤。

2.1下载安装包

进入官网下载目录：https://download.docker.com/linux/static/stable/x86_64/

选择合适的版本进行下载，这里我选择的20.10.9版本。下载到的安装包是：docker-20.10.9.tgz

其他芯片架构-操作系统：https://download.docker.com/linux/static/stable/

Index of linux/static/stable/
../
aarch64/
armel/
armhf/
ppc64le/
s390x/
x86_64/

2.2上传安装包

scp Downloads/docker-20.10.9.tgz admin@20.110.10.39:/data01/soft/

2.3解压安装包

登录服务器，解压安装包

[admin@kratos-preserver-d-010039 soft]$ cd /data01/soft
[admin@kratos-preserver-d-010039 soft]$ tar -xvf docker-20.10.9.tgz
docker/
docker/containerd-shim-runc-v2
docker/dockerd
docker/docker-proxy
docker/ctr
docker/docker
docker/runc
docker/containerd-shim
docker/docker-init
docker/containerd

[admin@kratos-preserver-d-010039 soft]$ cd docker
[admin@kratos-preserver-d-010039 docker]$ ls -la
total 200844
drwxr-xr-x   2 admin admin      169 Oct  5  2021 .
drwxrwxrwx. 11 admin admin     4096 Mar 20 16:17 ..
-rwxr-xr-x   1 admin admin 33908392 Oct  5  2021 containerd
-rwxr-xr-x   1 admin admin  6508544 Oct  5  2021 containerd-shim
-rwxr-xr-x   1 admin admin  8609792 Oct  5  2021 containerd-shim-runc-v2
-rwxr-xr-x   1 admin admin 21131264 Oct  5  2021 ctr
-rwxr-xr-x   1 admin admin 52883616 Oct  5  2021 docker
-rwxr-xr-x   1 admin admin 64758736 Oct  5  2021 dockerd
-rwxr-xr-x   1 admin admin   708616 Oct  5  2021 docker-init
-rwxr-xr-x   1 admin admin  2784145 Oct  5  2021 docker-proxy
-rwxr-xr-x   1 admin admin 14352296 Oct  5  2021 runc

2.4拷贝docker命令至系统命令

[admin@kratos-preserver-d-010039 soft]$sudo cp docker/* /usr/bin/

2.5配置systemctl服务启动

[admin@kratos-preserver-d-010039 soft]$ cd /etc/systemd/system/
[admin@kratos-preserver-d-010039 system]$ sudo vim docker.service

填写内容

[Unit]
Description=Docker Application Container Engine
Documentation=https://docs.docker.com
After=network-online.target firewalld.service
Wants=network-online.target
 
[Service]
Type=notify
# the default is not to use systemd for cgroups because the delegate issues still
# exists and systemd currently does not support the cgroup feature set required
# for containers run by docker
ExecStart=/usr/bin/dockerd -H tcp://0.0.0.0:2375 -H unix://var/run/docker.sock
ExecReload=/bin/kill -s HUP $MAINPID
# Having non-zero Limit*s causes performance problems due to accounting overhead
# in the kernel. We recommend using cgroups to do container-local accounting.
LimitNOFILE=infinity
LimitNPROC=infinity
LimitCORE=infinity
# Uncomment TasksMax if your systemd version supports it.
# Only systemd 226 and above support this version.
#TasksMax=infinity
TimeoutStartSec=0
# set delegate yes so that systemd does not reset the cgroups of docker containers
Delegate=yes
# kill only the docker process, not all processes in the cgroup
KillMode=process
# restart the docker process if it exits prematurely
Restart=on-failure
StartLimitBurst=3
StartLimitInterval=60s
 
[Install]
WantedBy=multi-user.target

[admin@kratos-preserver-d-010039 system]$ sudo chmod +x /etc/systemd/system/docker.service
[admin@kratos-preserver-d-010039 system]$ sudo systemctl daemon-reload

2.6启动docker

[admin@kratos-preserver-d-010039 system]$ sudo systemctl start docker
[admin@kratos-preserver-d-010039 system]$ sudo systemctl enable docker.service
Created symlink from /etc/systemd/system/multi-user.target.wants/docker.service to /etc/systemd/system/docker.service.
[admin@kratos-preserver-d-010039 system]$ systemctl status docker
● docker.service - Docker Application Container Engine
   Loaded: loaded (/etc/systemd/system/docker.service; enabled; vendor preset: disabled)
   Active: active (running) since Mon 2023-03-20 16:20:47 CST; 24s ago
     Docs: https://docs.docker.com
 Main PID: 2766 (dockerd)
   CGroup: /system.slice/docker.service
           ├─2766 /usr/bin/dockerd -H tcp://0.0.0.0:2375 -H unix://var/run/docker.sock
           └─2809 containerd --config /var/run/docker/containerd/containerd.toml --log-level info
[admin@kratos-preserver-d-010039 system]$ docker -v
Docker version 20.10.9, build c2ea9bc