sudo dpkg --purge --force-depends ca-certificates-java sudo apt install ca-certificates-java
Do not work for money. Working for knowledge, Money is a by-product.
sudo dpkg --purge --force-depends ca-certificates-java sudo apt install ca-certificates-java
echo 'JAVA_HOME="$( readlink -f "$( which java )" | sed "s:bin/.*$::" )"' | tee -a /etc/default/unifi service unifi restart