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Posted 2025-03-3 Updated 2025-03- 3
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14~18 min read

Openwrt install docker

Install Openwrt system into Raspberry Pi.

  1. Choose image base model version, and get the image file:

https://openwrt.org/toh/raspberry_pi_foundation/raspberry_pi

  1. Flash the image file into U disk or SD Card

diskutil list

diskutil umountDisk diskX

sudo dd if=/path/to/downloaded/disk.img of=/dev/diskX bs=1m

Refer to:

https://apple.stackexchange.com/questions/323814/how-to-flash-img-on-mac-for-raspberry-pi

  1. Insert SD Card into Raspberry Pi, boot it.

  2. Access 192.168.1.1 , set a password. Change the Port type to "LAN", and enable it's DHCP.

  3. Line the Raspberry Pi to your Router, from now, we can access the Raspberry Pi with SSH.

  1. 在“网络”-“接口”的“常规设置”中给 Openwrt 的 LAN 网络接口设置一个和现有局域网同网段的静态 IP 地址，注意不要和现有设备的 IP 地址冲突。然后应用设置。

  2. 将 LAN 网络接口的“默认网关”设为主路由的 IP 地址。

  3. 在“高级设置”中找到“使用自定义的 DNS 服务器”设为主路由的 IP 地址。

  4. 在“DHCP 服务器”中勾选“忽略此接口”。

  5. 在“DHCP 服务器”-“IPv6 设置”中禁用所有IPv6服务。

  6. 点击“保存”以及“保存并应用”。

  7. 在“网络”-“防火墙”中，关闭“SYN-flood 防御”，点击“保存并应用”。

  8. 建议重启一次。

更换 opkg 软件源

/etc/opkg/distfeeds.conf

将其中的 http://downloads.openwrt.org 替换为

https://mirrors.tuna.tsinghua.edu.cn/openwrt

Extend disk

  1. Remote control your Raspberry Pi with ssh

ssh [email protected]

We need a mount point in the tab to generate "/etc/config/fstab"

First we need install "block-mount", then reboot. 

opkg install block-mount lsblk cfdisk terminfo

Then, reboot.

  1. cfdisk /dev/mmcblk0

If openwrt don't have cmd lsblk and cfdisk, using opkg install it.

If the cfdisk cmd hits come issue, solve it with install "terminfo" 

root@OpenWrt:~# cfdisk /dev/mmcblk0
Error opening terminal: xterm-256color.
root@OpenWrt:~# export TERM=xterm
root@OpenWrt:~# cfdisk /dev/mmcblk0
Error opening terminal: xterm.
root@OpenWrt:~# opkg install terminfo

  1. Format the new disk. 

root@OpenWrt:~# lsblk
NAME        MAJ:MIN RM   SIZE RO TYPE MOUNTPOINTS
mmcblk0     179:0    0 119.4G  0 disk
├─mmcblk0p1 179:1    0    68M  0 part /boot
├─mmcblk0p2 179:2    0    10G  0 part /
├─mmcblk0p3 179:3    0     1K  0 part
├─mmcblk0p5 179:5    0    10G  0 part
└─mmcblk0p6 179:6    0  99.3G  0 part
root@OpenWrt:~# mkfs.ext4 /dev/mmcblk0p5

挂载硬盘

root@OpenWrt:~# lsblk
NAME        MAJ:MIN RM   SIZE RO TYPE MOUNTPOINTS
mmcblk0     179:0    0 119.4G  0 disk
├─mmcblk0p1 179:1    0    64M  0 part /boot
├─mmcblk0p2 179:2    0    10G  0 part /
├─mmcblk0p3 179:3    0     1K  0 part
├─mmcblk0p5 179:5    0    10G  0 part /overlay
└─mmcblk0p6 179:6    0  99.3G  0 part /mnt/mmcblk06

In the mount-points, find and execute the "Generate Config".

After mounting, change "/etc/config/fstab" mount point's enabled to 1. So that the mount will keep after rebooting.

We can also follow raspberry Pi official instructions:

https://openwrt.org/docs/guide-user/installation/installation_methods/sd_card#expanding_the_filesystem

The /overlay needs larger disk to install docker.

So that we can mount mmcblk0p5 to /overlay directly. 

root@OpenWrt:~# mount /dev/mmcblk0p5 /overlay

Install Docker

opkg install docker dockerd luci-app-dockerman

Following home-assistant information to use docker compose to load Home-assistant image.

https://www.home-assistant.io/installation/alternative

Install Luci theme Argon

https://github.com/jerrykuku/luci-theme-argon

Install open_clash

opkg install bash iptables dnsmasq-full curl ca-bundle ipset ip-full iptables-mod-tproxy iptables-mod-extra ruby ruby-yaml kmod-tun kmod-inet-diag unzip luci-compat luci luci-base

opkg remove dnsmasq

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