Public bug reported: mike@mike-think:~$ do-release-upgrade -c Checking for a new Ubuntu release Failed to connect to https://changelogs.ubuntu.com/meta-release-lts. Check your Internet connection or proxy settings No new release found.
This machine does not need a proxy to get to the internet. If I go into web browser and open the link I get the page. host command does find the host: mike@mike-think:~$ host changelogs.ubuntu.com changelogs.ubuntu.com has address 91.189.95.15 changelogs.ubuntu.com has IPv6 address 2001:67c:1560:8008::11 dig also find the host mike@mike-think:~$ dig changelogs.ubuntu.com ; <<>> DiG 9.11.3-1ubuntu1.1-Ubuntu <<>> changelogs.ubuntu.com ;; global options: +cmd ;; Got answer: ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 41278 ;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 1 ;; OPT PSEUDOSECTION: ; EDNS: version: 0, flags:; udp: 65494 ;; QUESTION SECTION: ;changelogs.ubuntu.com. IN A ;; ANSWER SECTION: changelogs.ubuntu.com. 600 IN A 91.189.95.15 ;; Query time: 46 msec ;; SERVER: 127.0.0.53#53(127.0.0.53) ;; WHEN: Mon Sep 17 01:52:59 EDT 2018 ;; MSG SIZE rcvd: 66 ProblemType: Bug DistroRelease: Ubuntu 18.04 Package: ubuntu-release-upgrader-core 1:18.04.25 ProcVersionSignature: Ubuntu 4.15.0-34.37-generic 4.15.18 Uname: Linux 4.15.0-34-generic x86_64 NonfreeKernelModules: zfs zunicode zavl icp zcommon znvpair ApportVersion: 2.20.9-0ubuntu7.3 Architecture: amd64 CrashDB: ubuntu CurrentDesktop: GNOME Date: Mon Sep 17 01:47:45 2018 InstallationDate: Installed on 2016-07-24 (784 days ago) InstallationMedia: Ubuntu-GNOME 16.04.1 LTS "Xenial Xerus" - Release amd64 (20160720) PackageArchitecture: all ProcEnviron: TERM=xterm-256color PATH=(custom, no user) XDG_RUNTIME_DIR=<set> LANG=en_US.UTF-8 SHELL=/bin/bash SourcePackage: ubuntu-release-upgrader UpgradeStatus: Upgraded to bionic on 2018-09-03 (13 days ago) VarLogDistupgradeTermlog: ** Affects: ubuntu-release-upgrader (Ubuntu) Importance: Undecided Status: New ** Tags: amd64 apport-bug bionic dist-upgrade -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1792860 Title: do-release-upgrade error To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/ubuntu-release-upgrader/+bug/1792860/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs