Could it be that the mirror is not up to date? It shows that the ISO was updated on 17/10/2017 whereas I do find it likely that it should be at least 19/10/2017?
ubuntu-17.10-server-amd64.iso 2017-10-17 20:46 745M Server install image for 64-bit PC (AMD64) computers (standard download) Please see attached screenshot for details. ** Attachment added: "Screenshot of uk.releases.ubuntu.com that show date of last changes" https://bugs.launchpad.net/ubuntu/+bug/1727288/+attachment/4994141/+files/uk.releases.ubuntu.com.png -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1727288 Title: SHA256SUMS mismatch with ubuntu-17.10-server-amd64.iso To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+bug/1727288/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs