Learn how to upgrade Unifi controller? (Linux)

Learn how to upgrade Unifi Controller

Today I would like to show you how you can upgrade your Unifi controller firmware. This applies to Linux – Ubuntu/Debian.


Before anything, backup your Unifi controller.
  1. First, we have to open web browser and navigate to https://ui.com/download/unifi , click on the Unifi tab, and scroll down – under Software you should be able to locate UniFi Network Application 6.2.26 for Debian/Ubuntu Linux and UniFi Cloud Key. At the time of writing this article, 6.2.26 is the current version. This might be different for you.
  2. Click on the Unifi Network Controller/Application and click on Download, accept the rules and Copy URL.
Click on the Download, accept the agreement, and then Copy URL

  1. Now, it is the time to login using SSH to your Linux server – Unfi controller. Log in to your Linux server using your root account.
  2. Once you log in, execute the command below.
wget https://dl.ui.com/unifi/6.2.26/unifi_sysvinit_all.deb
  1. “wget” command should download the firmware. see below.
After you download *.deb file, run sudo dpkg -i filename.deb
  1. On the next step you will get the page to do a backup. You have to do a backup. Otherwise, installation will be cancelled. Click YES. Wait until it’s done.
Select YES and click Enter
  1. That should be it. You should be able to sing into new portal. Enjoy!

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