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70 lines
2.0 KiB
Markdown
70 lines
2.0 KiB
Markdown
# UDM / UDMPro Boot Script
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### Features
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1. Allows you to run a shell script at S95 anytime your UDM starts / reboots
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All files described here are in the examples folder, automation is coming soon.
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Steps
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# 1. Make your script on the UDM/UDMPRO
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```
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vi /mnt/data/on_boot.sh
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chmod u+x /mnt/data/on_boot.sh
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```
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Example: see examples/udm-files/on_boot.sh
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```
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#!/bin/sh
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podman start wpa_supplicant-udmpro
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iptables -t nat -C PREROUTING -p udp ! --source 10.0.0.x ! --destination 10.0.0.x --dport 53 -j DNAT --to 10.0.0.x || iptables -t nat -A PREROUTING -p udp ! --source 10.0.0.x ! --destination 10.0.0.x --dport 53 -j DNAT --to 10.0.0.x
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iptables -t nat -C PREROUTING -p tcp ! --source 10.0.0.x ! --destination 10.0.0.x --dport 53 -j DNAT --to 10.0.0.x || iptables -t nat -A PREROUTING -p tcp ! --source 10.0.0.x ! --destination 10.0.0.x --dport 53 -j DNAT --to 10.0.0.x
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iptables -t nat -C POSTROUTING -j MASQUERADE || iptables -t nat -A POSTROUTING -j MASQUERADE
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```
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# 2. Make the unifios docker container execute this script on startup, this has to be done after every firmware update. It does persist through reboots.
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```
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podman exec -it unifi-os sh
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ssh root@127.0.1.1 # this is to accept the fingerprint of the udm
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exit # back to the container shell
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```
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### make a script that sshs to the udm and runs on our boot script
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Example: examples/unifi-os-files/udm.sh
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```
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echo "#!/bin/sh
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ssh root@127.0.1.1 '/mnt/data/on_boot.sh'" > /etc/init.d/udm.sh # 127.0.1.1 always points to the UDM
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```
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#### make said script executable
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```
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chmod u+x /etc/init.d/udm.sh
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```
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### make a service that runs on startup, after we have networking
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Example: examples/unifi-os-files/udmboot.service
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```
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echo "[Unit]
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Description=Run On Startup UDM
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[Service]
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After=network.target
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ExecStart=/etc/init.d/udm.sh
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[Install]
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WantedBy=multi-user.target" > /etc/systemd/system/udmboot.service
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```
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### enable it and test
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```
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systemctl enable udmboot
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systemctl start udmboot
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```
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### back to the udm
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```
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exit
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```
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# reboot your udm/udmpro and make sure it worked
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```
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reboot
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exit
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```
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