# docker

**Repository Path**: he-chen-cheng/docker

## Basic Information

- **Project Name**: docker
- **Description**: No description available
- **Primary Language**: Unknown
- **License**: Not specified
- **Default Branch**: master
- **Homepage**: None
- **GVP Project**: No

## Statistics

- **Stars**: 0
- **Forks**: 1
- **Created**: 2025-01-09
- **Last Updated**: 2025-03-20

## Categories & Tags

**Categories**: Uncategorized

**Tags**: None

## README

离线安装docker
=

## 下载安装包
安装包下载地址：https://download.docker.com/linux/static/stable/x86_64/  
`wget https://download.docker.com/linux/static/stable/x86_64/docker-20.10.24.tgz`


## 解压文件
```
tar xf docker-*.tgz
cp docker/* /usr/bin/
```

## 创建containerd
```
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
```

## 启动containerd
`systemctl enable --now containerd.service`

## 创建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
```

## 创建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docker
```
# 创建docker组
groupadd docker

# 启动docker
systemctl enable --now docker.socket  && systemctl enable --now docker.service

# 验证
docker info
```

## 修改daemon.json
```
cat >/etc/docker/daemon.json <<EOF
{
  "exec-opts": ["native.cgroupdriver=systemd"],
  "insecure-registries": ["harbor.hcc.wiki"],
  "dns": ["8.8.8.8", "8.8.4.4", "223.5.5.5"],
  "registry-mirrors": [
    "https://docker.1ms.run",
    "https://docker.1panel.top",
    "https://fxvge3gl.mirror.aliyuncs.com",
    "https://docker.13140521.xyz"
  ],
  "bip": "172.20.0.1/16",
  "max-concurrent-downloads": 10,
  "log-driver": "json-file",
  "log-level": "warn",
  "log-opts": {
    "max-size": "100m",
    "max-file": "5"
    },
  "data-root": "/opt/docker"
}
EOF
```

## 重启docker
`systemctl daemon-reload && systemctl restart docker`


## 安装命令补全
```
# 安装bash-completion
yum install bash-completion -y

# 命令补全，版本号替换成安装的版本
curl https://raw.githubusercontent.com/docker/cli/v20.10.24/contrib/completion/bash/docker -o /etc/bash_completion.d/docker.sh

# 重新加载
source /etc/bash_completion.d/docker.sh
```

## 普通用户加入 docker 组
```
usermod -aG docker <user_name>
chmod 777 /bin/docker
```