Thank you, @quba42
apt-transport-katellois already installed
apt-transport-katello/stable,now 1.28.24-8 all [installed]
Katello transport plugin for apt
I have tried reinstalling, just in case. No success.
When I perform apt update or apt-get update, it returns the following:
:~# apt-get update
Exception ignored in: <module 'threading' from '/usr/lib/python3.9/threading.py'>
Traceback (most recent call last):
File "/usr/lib/python3.9/threading.py", line 1388, in _shutdown
def _shutdown():
KeyboardInterrupt:
not sure if it’s related to katello transport