I am having an issue when trying to follow the above directions. I love your site, it is so informative for someone like me who is installing their first Ubiquiti UniFis. Unfortunately it produces the same result: N: See apt-secure(8) manpage for repository creation and user configuration details. N: Data from such a repository can’t be authenticated and is therefore potentially dangerous to use.
W: The repository ‘ trusty InRelease’ is not signed. W: GPG error: trusty InRelease: The following signatures couldn’t be verified because the public key is not available: NO_PUBKEY C2518248EEA14886 Unfortunately, I’m receiving the following message. I’m trying to upgrade my Unifi Controller and noticed Java is out of date, so following the instructions on this page. If you have the Unifi Controller running on it, all you need to do is reboot the Pi (sudo reboot). Your Java Version on your Raspberry Pi should now be updated to the latest version. Remove the old Java version sudo apt-get purge openjdk*Ĭheck if we have the latest version of Java: java -version
Sudo apt-get install oracle-java8-set-default Sudo apt-get install oracle-java8-installer Install the latest version of Java 8 sudo apt-get update First remove the OpenJDK: sudo apt-get purge openjdk*Īdd a digital key so we can authorize the repository sudo apt-key adv -recv-key -keyserver EEA14886Īdd the packet source sudo vim /etc/apt/sources.list Login to your PI with Putty or your preferred CLI (command-line interface) tool. So we need to add the correct repository manually to update Java. The problem is that the latest versions of Java aren’t available in the default repositories for Raspbian. So in this article, I am going to explain how you can update the Raspberry Pi Java version. Rasbian is shipped with an outdated version of Java and for the Unifi Controller, we need at least version 1.8.0_201. All I got was a blank screen 🙁Īfter some digging around I noticed that Java needed to be updated. I couldn’t log in anymore on my Unifi Controller after updating the controller on my Raspberry Pi to version 5.10.12.
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