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Modularization updates (#12)
* Store install-cni-plugins.sh once * Newlines in on-boot-script * Update example on_boot.sh for directory * Update README.md examples * Store 20-dns.conflist once * Add modularized nextdns config w/IPv6 support * Make nextdns script more generic * Use common setup script for each dns service * Add missing newlines * Readme updates and ipv6 support * Readme updates and ipv6 support * Final updates and Ipv6 Co-authored-by: exodious <exodious@users.noreply.github.com>
This commit is contained in:
John D
GitHub
@ -1,75 +1,69 @@
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# 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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1. Persists through reboot
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1. Must be re-done after firmware updates
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### Compatiblity
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### Compatibility
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1. Should work on any UDM/UDMPro after 1.6.3
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2. Tested and confirmed on 1.6.6, 1.7.0, 1.7.2rc4
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2. Tested and confirmed on 1.6.6, 1.7.0, 1.7.2rc4, 1.7.3rc1
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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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### Automated Setup
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1. Copy [install.sh](install.sh) to your UDM and execute it
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1. Copy any shell scripts you want to run to /mnt/data/on_boot.d and make sure they are executable and have the correct shebang (#!/bin/sh)
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Examples:
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* Start a DNS Container [10-dns.sh](../dns-common/on_boot.d/10-dns.sh)
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* Start wpa_supplicant [on_boot.d/10-wpa_supplicant.sh](examples/udm-files/on_boot.d/10-wpa_supplicant.sh)
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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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### Manual Setup
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## Automatic
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1. Copy on_boot.sh and make on_boot.d and add scripts to on_boot.d
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```shell script
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mkdir -p /mnt/data/on_boot.d
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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: [on_boot.sh](examples/udm-files/on_boot.sh)
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1. Copy install.sh and install-unifios.sh to your UDM
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2. Execute install.sh
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1. Enter the container shell
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```shell script
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unifi-os shell
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```
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1. make a script that sshs to the udm and runs on our boot script. 127.0.1.1 always points to the UDM
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```shell script
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echo "#!/bin/sh
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ssh -o StrictHostKeyChecking=no root@127.0.1.1 '/mnt/data/on_boot.sh'" > /etc/init.d/udm.sh
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chmod u+x /etc/init.d/udm.sh
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```
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Example: [udm.sh](examples/unifi-os-files/udm.sh)
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1. make a service that runs on startup, after we have networking
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```shell script
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echo "[Unit]
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Description=Run On Startup UDM
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After=network.target
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[Service]
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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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Example: [udmboot.service](examples/unifi-os-files/udmboot.service)
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## Manual
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```
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podman exec -it unifi-os sh
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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 -o StrictHostKeyChecking=no 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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After=network.target
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[Service]
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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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1. enable it and test
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```shell script
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systemctl enable udmboot
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systemctl start udmboot
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```
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1. back to the udm
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```shell script
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exit
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```
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1. reboot your udm/udmpro and make sure it worked
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```shell script
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reboot
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exit
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```
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@ -0,0 +1,7 @@
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#!/bin/sh
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## create files like this with different numbers for execution order
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## ala /etc/profile.d
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## example command to run, please replace with your own.
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podman start wpa_supplicant-udmpro
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@ -1,5 +1,9 @@
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#!/bin/sh
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## example command to run, please replace with your own.
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podman start wpa_supplicant-udmpro
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if [ -d /mnt/data/on_boot.d ]; then
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for i in /mnt/data/on_boot.d/*.sh; do
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if [ -r $i ]; then
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. $i
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fi
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done
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fi
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@ -1,2 +1,3 @@
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#!/bin/sh
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ssh -o StrictHostKeyChecking=no root@127.0.1.1 '/mnt/data/on_boot.sh'
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@ -1,4 +1,5 @@
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#!/bin/sh
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echo "#!/bin/sh
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ssh -o StrictHostKeyChecking=no root@127.0.1.1 '/mnt/data/on_boot.sh'" > /etc/init.d/udm.sh
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chmod u+x /etc/init.d/udm.sh
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@ -14,4 +15,4 @@ ExecStart=/etc/init.d/udm.sh
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WantedBy=multi-user.target" > /etc/systemd/system/udmboot.service
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systemctl enable udmboot
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systemctl start udmboot
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systemctl start udmboot
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@ -1,3 +1,45 @@
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podman cp install-unifios.sh unifi-os:/root/install-unifios.sh
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podman exec unifi-os chmod +x /root/install-unifios.sh
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podman exec unifi-os sh -c /root/install-unifios.sh
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#!/bin/sh
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echo "Creating on boot script on device"
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echo '#!/bin/sh
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if [ -d /mnt/data/on_boot.d ]; then
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for i in /mnt/data/on_boot.d/*.sh; do
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if [ -r $i ]; then
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. $i
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fi
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done
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fi
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' > /mnt/data/on_boot.sh
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chmod u+x /mnt/data/on_boot.sh
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mkdir -p /mnt/data/on_boot.d
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echo "Creating script to modify unifios container"
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echo '#!/bin/sh
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echo "#!/bin/sh
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ssh -o StrictHostKeyChecking=no root@127.0.1.1 ''/mnt/data/on_boot.sh''" > /etc/init.d/udm.sh
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chmod u+x /etc/init.d/udm.sh
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echo "[Unit]
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Description=Run On Startup UDM
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After=network.target
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[Service]
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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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systemctl enable udmboot
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systemctl start udmboot
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' > /tmp/install-unifios.sh
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podman cp /tmp/install-unifios.sh unifi-os:/root/install-unifios.sh
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podman exec -it unifi-os chmod +x /root/install-unifios.sh
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echo "Executing container modifications"
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podman exec -it unifi-os sh -c /root/install-unifios.sh
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rm /tmp/install-unifios.sh
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echo "Installed on_boot hook. Populate /mnt/data/on_boot.d with scripts to run"
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