DD-WRT is a popular open-source firmware that can be installed on many different routers. In this tutorial, we'll be installing DD-WRT onto an OpenBSD system. Here's what you need to do:
Download the DD-WRT firmware from the official website: https://dd-wrt.com/. Choose the firmware that is compatible with your router.
Open up a terminal window on your OpenBSD system.
Type the following command to install ddrescue, which is a tool that will be used to write the DD-WRT firmware to the router:
sudo pkg_add ddrescue
sudo wget https://download1.dd-wrt.com/dd-wrtv2/downloads/betas/2021/05-09-2021-r46875/broadcom/dd-wrt.v24%20SP2/Linksys/WRT54GL%20v1.1%20%26%20lower/dd-wrt.v24_mini_generic.bin
Next, connect your router to your OpenBSD system using an Ethernet cable.
Put your router in recovery mode. This process varies by router model, so refer to your router's documentation for instructions on how to do this.
Once your router is in recovery mode, use the following command to write the firmware to the router:
sudo ddrescue -f -s 262144 dd-wrt.v24_mini_generic.bin /dev/snd0.0.6
Replace dd-wrt.v24_mini_generic.bin with the name of the DD-WRT firmware that you downloaded. Replace /dev/snd0.0.6 with the appropriate device for your router.
Wait for the firmware to finish writing to the router. This may take a few minutes.
Once the firmware is written, perform a hard reset on the router by pressing and holding the reset button for 10 seconds.
Your router should now be running DD-WRT. You can access the DD-WRT web interface by opening a web browser and navigating to https://192.168.1.1.
Congratulations! You have successfully installed DD-WRT onto your router using OpenBSD.
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