UBIQUITI Networks UniFi Cloud Key Controller

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Here is the actual script I'm using on my server to renew the certificate and update the Cloud Key with the new files. #!/bin/bash

Scott Helme

As I mentioned in my previous blog I have a HP ProLiant MicroServer running at home that I use for various tasks. My unifi.scotthelme.co.uk subdomain resolves to the IP of that server which obtains the Let's Encrypt certificate for me as it can answer the challenge. The server then connects to the Cloud Key via SSH using key-based auth and copies the new certificate over and runs the commands to regenerate the JKS file and restart the UniFi service. This way there is zero maintenance for me and I keep the full benefits of Let's Encrypt and no worries. There is possibly a way that you could just run Let's Encrypt on the Cloud Key directly and my blog Getting started with Let's Encrypt would be a good place to start if you're interested. For me though I already have my server running locally so it was the easier approach. This blog is focused mainly on how to actually put the certificate on your Cloud Key and get it working, but I wanted to provide a little more detail on my setup for those interested. For the best setup experience, we recommend updating to the latest version and ensuring that automatic updates are enabled. Open All Required Ports Use an 802.3af-compliant switch, such as a UniFi PoE Switch, a USB power source, or 48V PoE adapter (not included). UniFi Switch Removable hard drive tray for 2.5" SATA drive. The Cloud Key G2 Plus only supports hard drives that can operate on 5V power. Hard drives that require additional power are not supported.

The Cloud Key Gen2 Plus comes pre-installed with a 1TB SATA HDD. If you want to replace it, you must use a 2.5" SATA HDD and follow these instructions:I also wrote a blog about a script I created called Let's Encrypt Smart Renew. You can call this script hourly and it will only renew the certificate if it actually needs renewing. 0 * * * * /path/to/smartRenew.sh # Hourly on the first minute After this we need to remove the symlink to the existing keystore. This is where the system looks for the keystore. rm /usr/lib/unifi/data/keystore

generated so you can leave this section as it is if you wish. I am guessing that when devices are adopted they will This Gigabit Ethernet port is used to connect the power and should be connected to the LAN and DHCP server. Power can be provided by an 802.3af PoE switch, such as the UniFi PoE Switch.I deliberately had no other Unifi devices connected to my network for this post which is why it says to the power that can be supplied, however low power devices such as the Cloud Key, IP Cameras, Wireless Access Points,

The demo account is exactly that. It can be used to see what it is like to have several devices to manage, what Note: You can run the UniFi Network Application or UniFi Protect Application individually, or you can run both applications simultaneously. For the purposes of setting up the Cloud Key, the UBNT online account (through the use of a chrome plugin) also UniFi can also be self-hosted on a Windows/macOS/Linux machine, but this is only recommended for users proficient with network administration, because it requires constant and precise attention. You’ll need to manually configure your network for sufficient communication between UniFi Network and all of your networking devices. Success hinges on your ability to continuously navigate various third-party software, firewalls and other networking devices.

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You may to see the Your connection is not private again. As this is a very specific case where it is You may choose to restrict the collection or use of your personal information in the following ways: Once you have successfully created an account you should still be logged in and see something similar to the below Layer-2 networks or not. If you are the network administrator but don’t know if you have multiple Layer-2 networks