I was downloading Ubuntu on Mac M1, and at the last step where I download Ubuntu Desktop, and entered 'sudo apt install ubuntu-desktop' but got a problem -'failed to fetch', so I tried to solve it with
apt-get update
apt-get update --fix-missing
apt-get install xxx
apt-get upgrade
but ended up with permission issues. What should I do now? This is the problem that happened after entering apt-get update, same happened the other commands:
