mirror of
https://github.com/fire1ce/UDM-Persistent-SSH-Keys.git
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62 lines
1.4 KiB
Markdown
62 lines
1.4 KiB
Markdown
# UDM Persistence SSH Keys
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## Changelog
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- 2023-02-22 - Fixed support for UDM Pro Firmware 1.x and 2.x and 3.x - Must reinstall the script after upgrade from 1.x to 2.x
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## Persistence on Reboot
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This script need to run every time the system is rebooted since the **/root/.ssh/authorized_keys** overwrites every boot.
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This can be accomplished with a boot script. Flow this guide: [UDM / UDMPro Boot Script](https://github.com/unifi-utilities/unifios-utilities/tree/main/on-boot-script)
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## Compatibility
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- Tested on [UDM PRO][amz-udm-pro-url]
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- UDM Pro doesn't support **ed25519** SSH Keys
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## Installation
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The script was tested on UDM PRO
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(!) Depending on firmware your `$DATA_DIR` will be `/mnt/data` (Firmware 1.x) or `/data` (Firmware 2.x and 3.x)
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```shell
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curl -s https://raw.githubusercontent.com/fire1ce/UDM-Persistent-SSH-Keys/main/install.sh | sh
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```
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Add you public RSA keys to:
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```shell
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$DATA_DIR/ssh/authorized_keys
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```
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## Uninstall
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Delete the 99-ssh-keys.sh file
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```shell
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rm -rf $DATA_DIR/on_boot.d/99-ssh-keys.sh
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```
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Delete your authorized_keys file
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```shell
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rm -rf $DATA_DIR/ssh/authorized_keys
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```
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## Usage
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At boot the script with read the **$DATA_DIR/ssh/authorized_keys** file and add the content to UDM's **/root/.ssh/authorized_keys**
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Manual run:
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```shell
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$DATA_DIR/on_boot.d/99-ssh-keys.sh
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```
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<!-- --- -->
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[amz-udm-pro-url]: https://amzn.to/3J4fezk 'Amazon Unifi UDM Pro'
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<!-- --- -->
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