linux系统下离线安装docker

一、环境说明:在某些部署环境下,因为网络或者其他原因,不能在线部署,这时候就需要以离线的方式安装docker;

二、安装步骤:

1、获取docker安装文件,官方地址如下:

https://download.docker.com/linux/static/stable/x86_64/docker-19.03.9.tgz

2、将下载的安装文件进行解压,命令如下:

tar zxvf docker-19.03.9.tgz

3、将上述解压后文件(docker文件夹)全部移动至/usr/bin目录下(必须),命令如下:

cp -p docker/* /usr/bin

4、将docker注册为service,步骤如下:

①输入如下命令:

vi /usr/lib/systemd/system/docker.service

②点击i,下面出现-----insert----进入编辑状态

复制下面内容至docker.service,复制内容如下:

[Unit]
Description=Docker Application Container Engine
Documentation=http://docs.docker.com
After=network.target docker.socket
[Service]
Type=notify
EnvironmentFile=-/run/flannel/docker
WorkingDirectory=/usr/local/bin
ExecStart=/usr/bin/dockerd \
                -H tcp://0.0.0.0:4243 \
                -H unix:///var/run/docker.sock \
                --selinux-enabled=false \
                --log-opt max-size=1g
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=on-failure
[Install]
WantedBy=multi-user.target

复制完成之后,点击esc键,并输入:wq!保存并强制退出;

可执行如下命令,查看上述复制内容是否正确

cat /usr/lib/systemd/system/docker.service

5、重新加载docker配置文件,命令如下:

$ systemctl daemon-reload

6、启动docker,命令如下:

$ systemctl start docker

7、设置docker开机启动,命令如下:

$ systemctl enable docker

8、查看docker是否安装成功,命令如下:

$ docker version

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转载自blog.csdn.net/joyksk/article/details/112186830