$ sudo apt update
[sudo] password for david:
Ign:1 https://download.docker.com/linux/ubuntu jammy InRelease
Err:1 https://download.docker.com/linux/ubuntu jammy InRelease
Invalid response from proxy: HTTP/1.1 400 Bad Request Server: nginx Date: Tue, 13 Jun 2023 21:28:46 GMT Content-Type: text/html; charset=utf-8 Content-Length: 166 Connection: close [IP: 60.191.80.11 443]
$ lsb_release -a
No LSB modules are available.
Distributor ID: Ubuntu
Description: Ubuntu 22.04.2 LTS
Release: 22.04
Codename: jammy