Hi
After doing sudo apt-update and sudo dist-upgrade, I encounter issues that it cannot download any repositories from the US server on my Ubuntu-Mate 18.04.2
Hit:1 http://ppa.launchpad.net/ubuntu-pi-flavour-makers/ppa/ubuntu bionic InRelease
Hit:3 http://ports.ubuntu.com bionic InRelease
Get:4 http://ports.ubuntu.com bionic-updates InRelease [88.7 kB]
Get:2 http://us.archive.ubuntu.com/ubuntu bionic InRelease [242 kB]
Hit:5 http://ports.ubuntu.com bionic-security InRelease
Hit:6 http://ports.ubuntu.com bionic-backports InRelease
Hit:7 http://ports.ubuntu.com/ubuntu-ports bionic InRelease
Get:8 http://ports.ubuntu.com bionic-updates/main armhf Packages [627 kB]
Get:9 http://ports.ubuntu.com bionic-updates/universe armhf Packages [906 kB]
Ign:10 http://us.archive.ubuntu.com/ubuntu bionic/main armhf Packages
Get:11 http://us.archive.ubuntu.com/ubuntu bionic/main Translation-en [516 kB]
Ign:12 http://us.archive.ubuntu.com/ubuntu bionic/universe armhf Packages
Get:13 http://us.archive.ubuntu.com/ubuntu bionic/universe Translation-en [4,941 kB]
Ign:14 http://us.archive.ubuntu.com/ubuntu bionic/restricted armhf Packages
Get:15 http://us.archive.ubuntu.com/ubuntu bionic/restricted Translation-en [3,584 B]
Ign:16 http://us.archive.ubuntu.com/ubuntu bionic/multiverse armhf Packages
Get:17 http://us.archive.ubuntu.com/ubuntu bionic/multiverse Translation-en [108 kB]
Ign:10 http://us.archive.ubuntu.com/ubuntu bionic/main armhf Packages
Ign:12 http://us.archive.ubuntu.com/ubuntu bionic/universe armhf Packages
Ign:14 http://us.archive.ubuntu.com/ubuntu bionic/restricted armhf Packages
Ign:16 http://us.archive.ubuntu.com/ubuntu bionic/multiverse armhf Packages
Ign:10 http://us.archive.ubuntu.com/ubuntu bionic/main armhf Packages
Ign:12 http://us.archive.ubuntu.com/ubuntu bionic/universe armhf Packages
Ign:14 http://us.archive.ubuntu.com/ubuntu bionic/restricted armhf Packages
Ign:16 http://us.archive.ubuntu.com/ubuntu bionic/multiverse armhf Packages
Err:10 http://us.archive.ubuntu.com/ubuntu bionic/main armhf Packages
404 Not Found [IP: 91.189.91.38 80]
Ign:12 http://us.archive.ubuntu.com/ubuntu bionic/universe armhf Packages
Ign:14 http://us.archive.ubuntu.com/ubuntu bionic/restricted armhf Packages
Ign:16 http://us.archive.ubuntu.com/ubuntu bionic/multiverse armhf Packages
Fetched 1,864 kB in 13s (148 kB/s)
Reading package lists... Done
E: Failed to fetch http://us.archive.ubuntu.com/ubuntu/dists/bionic/main/binary-armhf/Packages 404 Not Found [IP: 91.189.91.38 80]
E: Some index files failed to download. They have been ignored, or old ones used instead.