Hi all, I used devstack to deploy OpenStack with ironic in Ubuntu20.4. But I always got ``` Err:1 http://nova.clouds.archive.ubuntu.com/ubuntu focal/universe amd64 exfat-fuse amd64 1.3.0-1 Connection failed [IP: 91.189.88.245 80] Err:2 http://nova.clouds.archive.ubuntu.com/ubuntu focal/universe amd64 libf2fs5 amd64 1.11.0-1.1ubuntu1 Connection failed [IP: 91.189.91.121 80] Err:3 http://nova.clouds.archive.ubuntu.com/ubuntu focal/universe amd64 libf2fs-format4 amd64 1.11.0-1.1ubuntu1 Connection failed [IP: 91.189.88.245 80] Err:4 http://nova.clouds.archive.ubuntu.com/ubuntu focal/universe amd64 f2fs-tools amd64 1.11.0-1.1ubuntu1 Connection failed [IP: 91.189.91.121 80] Err:5 http://nova.clouds.archive.ubuntu.com/ubuntu focal-updates/main amd64 fonts-noto-mono all 20200323-1build1~ubuntu20.04.1 Connection failed [IP: 91.189.88.245 80] Err:6 http://nova.clouds.archive.ubuntu.com/ubuntu focal/main amd64 fonts-urw-base35 all 20170801.1-3 Connection failed [IP: 91.189.91.121 80] Err:7 http://nova.clouds.archive.ubuntu.com/ubuntu focal/main amd64 libxi6 amd64 2:1.7.10-0ubuntu1 Connection failed [IP: 91.189.88.245 80] Err:8 http://nova.clouds.archive.ubuntu.com/ubuntu focal/main amd64 libxinerama1 amd64 2:1.1.4-2 Connection failed [IP: 91.189.91.121 80] E: Failed to fetch http://nova.clouds.archive.ubuntu.com/ubuntu/pool/universe/f/fuse-exfat/exfa... Connection failed [IP: 91.189.88.245 80] E: Failed to fetch http://nova.clouds.archive.ubuntu.com/ubuntu/pool/universe/f/f2fs-tools/libf... Connection failed [IP: 91.189.91.121 80] E: Failed to fetch http://nova.clouds.archive.ubuntu.com/ubuntu/pool/universe/f/f2fs-tools/libf... Connection failed [IP: 91.189.88.245 80] E: Failed to fetch http://nova.clouds.archive.ubuntu.com/ubuntu/pool/universe/f/f2fs-tools/f2fs... Connection failed [IP: 91.189.91.121 80] E: Failed to fetch http://nova.clouds.archive.ubuntu.com/ubuntu/pool/main/f/fonts-noto/fonts-no... Connection failed [IP: 91.189.88.245 80] E: Failed to fetch http://nova.clouds.archive.ubuntu.com/ubuntu/pool/main/f/fonts-urw-base35/fo... Connection failed [IP: 91.189.91.121 80] E: Failed to fetch http://nova.clouds.archive.ubuntu.com/ubuntu/pool/main/libx/libxi/libxi6_1.7... Connection failed [IP: 91.189.88.245 80] E: Failed to fetch http://nova.clouds.archive.ubuntu.com/ubuntu/pool/main/libx/libxinerama/libx... Connection failed [IP: 91.189.91.121 80] E: Unable to fetch some archives, maybe run apt-get update or try with --fix-missing? ``` This is my local.conf: https://paste.opendev.org/show/bsJYZ7fcLSlAxZkr5fsV/ This is my /etc/apt/sources.list: https://paste.opendev.org/show/bRAlj2UoeqNv6U7dVdwG/ I have added /etc/resolv.conf: ``` nameserver 127.0.0.53 options edns0 trust-ad search openstacklocal nameserver 114.114.114.114 nameserver 8.8.8.8 nameserver 223.5.5.5 nameserver 223.6.6.6 ``` $ sudo apt-get update Hit:1 http://nova.clouds.archive.ubuntu.com/ubuntu focal InRelease Hit:2 http://security.ubuntu.com/ubuntu focal-security InRelease Hit:3 http://nova.clouds.archive.ubuntu.com/ubuntu focal-updates InRelease Hit:4 http://nova.clouds.archive.ubuntu.com/ubuntu focal-backports InRelease Reading package lists... Done $ sudo apt-get update --fix-missing Hit:1 http://nova.clouds.archive.ubuntu.com/ubuntu focal InRelease Hit:2 http://security.ubuntu.com/ubuntu focal-security InRelease Hit:3 http://nova.clouds.archive.ubuntu.com/ubuntu focal-updates InRelease Hit:4 http://nova.clouds.archive.ubuntu.com/ubuntu focal-backports InRelease Reading package lists... Done But still got error. I know this is a apt install error, But I always can't resolve it. Do you konw how can I resolve this? I will very appreciate any help and advice. HanGuangyu