[Bug 1792860] Re: do-release-upgrade error

[mike Bernson]

There is 02proxy

Acquire::http { Proxy "http://cache:3142"; };

It is apt-cacher-ng running 16.04.

I found something on the net that talk about adding 
passThroughPattern: ^changelogs.ubuntu.com:443$

This fixed the problem for me.

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https://bugs.launchpad.net/bugs/1792860

Title:
  do-release-upgrade error

Status in ubuntu-release-upgrader package in Ubuntu:
  New

Bug description:
  mike at 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 at 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 at 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:

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