Two errors "Type is not known on line" when I run `sudo apt-get update`
249
How do I fix this "E: Type '*' is not known on line * in source list ..." update error?
93574
E: Some index files failed to download. They have been ignored, or old ones used instead after apt-get update
76165
Unmet dependencies: not configured yet
30754
Cannot update: "No available releases found"
35998
Why `sudo apt-get install XXXX` sometimes request confirmation, others not?
118864
What exactly does sudo apt-get -f install do?
127196
"Error processing package" - apt upgrade cannot run due to package configuration errors
15413
sudo apt update always giving Clearsigned file isn't valid, got 'NOSPLIT' (does the network require authentication?)
34720
What is the difference in command-line "sudo apt-get update" and using Synaptic or Auto-updater?
43917
What is the difference between apt-get update and upgrade?
105770
Cannot use apt-get/dpkg -- Input/output error
24603
apt-get upgrade gives "403 forbidden" error
145400
Error when trying sudo apt-get update - Python related?
96391
dpkg exit with error parsing file `/var/lib/dpkg/status`, what to do?
121873
sudo apt-offline install not updating
107009
ubuntu 18.04 apt-get upgrade problem "redirection loop encountered."
94171
Why Does Software Updater Say No updates Available, but apt-get upgrade Shows updates available?