[Bug 924511] Re: ubiquity tells me my computer name already exists on the network - hostname lookup can be slow

[Hans Joachim Desserud]

I've seen this multiple times over the years, due to how I set up VMs
with development release. Last verified earlier right now with the
latest Ubuntu Focal live image.

1. On the "Who are you?"-screen, type in your name, for instance "ubuntu".
2. It will autosuggest your computer's name as "ubuntu-Virtualbox" (or machine name on physical machine)
3. The Virtualbox part is uneeded, remove that.
4. Ops, cannot end in a dash. Remove that as well.
5. Tab to the next field.

Expected:
Everything ok, I pick a username and fill in my password.

Actual:
When I tab to the username field, I get the error message stating "that name already exists on the network". It stays there until I start filling in my password, or (according to comments above) enough time has passed. 

** Changed in: ubiquity (Ubuntu)
       Status: Incomplete => Confirmed

** Tags removed: quantal vivid
** Tags added: bionic eoan focal trusty xenial

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https://bugs.launchpad.net/bugs/924511

Title:
  ubiquity tells me my computer name already exists on the network -
  hostname lookup can be slow

Status in ubiquity package in Ubuntu:
  Confirmed

Bug description:
  Whatever ubiquity is doing when it tries to find out if a chosen
  hostname already exists, it's not working very well.

  Ubiquity tells me that the hostname "already exists on the network"
  regardless of whether I'm actually ON a network, or whether that name
  already exists.  It shows me big, warning red letters until it starts
  verifying my user name as I type that, at which point the hostname
  turns from a red warning to a green checkbox.

  BUT the warning is confusing.  If I didn't know better, I could easily
  stand there and re-enter hostnames over and over trying to get one
  that doesn't generate that warning.  In fact, I gave it 4 different
  hostnames (test, edubuntu, edubuntu-64-1 and edubuntu-64) all of which
  caused the red "Name Exists" warning to appear, until I started typing
  in a different field.

  This is very confusing to the users, and I imagine is not liminted to
  Edubuntu, but to ubiquity in general.

  I'm attaching before and after screenshots to highlight this.

  ProblemType: Bug
  DistroRelease: Ubuntu 12.04
  Package: ubiquity 2.9.15
  ProcVersionSignature: Ubuntu 3.2.0-12.20-generic 3.2.2
  Uname: Linux 3.2.0-12-generic x86_64
  ApportVersion: 1.91-0ubuntu1
  Architecture: amd64
  CasperVersion: 1.302
  Date: Tue Jan 31 15:45:08 2012
  LiveMediaBuild: Edubuntu 12.04 "Precise Pangolin" - Alpha amd64 (20120131)
  ProcEnviron:
   PATH=(custom, no user)
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  SourcePackage: ubiquity
  UpgradeStatus: No upgrade log present (probably fresh install)

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