initial release

README.md

@@ -5,9 +5,45 @@
 The setup script must be run every time the system is rebooted since the __/root/.ssh/authorized_keys__ overwrites every boot.  
 This can be accomplished with a boot script. Flow its guide [UDM / UDMPro Boot Script]([UDM / UDMPro Boot Script](https://github.com/boostchicken-dev/udm-utilities/tree/master/on-boot-script))
 
+## Compatibility
+
+  * Tested on UDM PRO
+  * UDM Pro doesn't support __ed25519__ SSH Keys
+
 ## Installation
 
-
+The script was tested on UDM PRO
 
 ```bash
-```
+curl https://raw.githubusercontent.com/fire1ce/UDMP-Persistence-SSH-Keys/main/install.sh | bash 
+```
+
+Add you public RSA keys to:
+
+```bash
+/mnt/data/ssh/authorized_keys
+```
+
+## Uninstall
+
+Delete the 99-ssh-keys.sh file
+
+```bash
+/mnt/data/on_boot.d/99-ssh-keys.sh
+```
+
+Delete your authorized_keys file
+
+```bash
+rm -rf /mnt/data/ssh/authorized_keys
+```
+
+## Usage
+
+At boot the script with read the __/mnt/data/ssh/authorized_keys__ file and add the content to UDM's __/root/.ssh/authorized_keys__
+
+Manual run:
+
+```bash
+/mnt/data/on_boot.d/99-ssh-keys.sh
+```