Centos离线安装docker

秦羽 2022-08-12 PM 233℃ 0条

### 下载docker安装包

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

### 解压缩

```
tar -zxvf docker-19.03.9.tgz
```

### 解压的docker文件夹全部移动至/usr/bin目录

```
cp -p docker/* /usr/bin
```

### 将docker注册为系统服务
- 在/usr/lib/systemd/system/目录下，创建docker.service文件
- 编辑docker.service文件

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

```
[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
```

### 重启生效

重启守护进程

```
systemctl daemon-reload

systemctl start docker
```

### 查看docker状态

```
systemctl status docker
```

### 设置开机启动

```
systemctl enable docker
```

### 查看docker版本

```
docker version
```

### 参考

https://blog.csdn.net/qq_27706119/article/details/122311325

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