Upgrade from Ubuntu 16.04 LTS to 18.04 LTS failed
Solution 1:
I think what you need to do, according to this thread is edit your apt.conf file:
sudo nano /etc/apt/apt.conf
And change the contents to this:
APT::Default-Release *;
I think what you need to do, according to this thread is edit your apt.conf file:
sudo nano /etc/apt/apt.conf
And change the contents to this:
APT::Default-Release *;