404 errors when I try to update Ubuntu
I'm getting several 404 errors when I try to update with
sudo apt-get update and when I try download packages for Ubuntu 16.10. What's going on?
This is occurring because you're running an Ubuntu distribution that has passed its end of life date and is no longer supported.
In general, Long Term Support (LTS) distributions have 5 year life cycles, while other releases have 9 month life cycles. You can get more details on these cycles here:
To fix this issue, you have a few options. You can update your distribution to the latest supported version with the command
sudo apt-get dist-upgrade. While less secure and thus not recommended, you could also just stick with the most recent update to your distribution by following the instructions in the top answer here: