[Bug 1398977] Re: all hostnames on network appear taken when changing hostname.

[Brendan Perrine]

I have reproduced this bug again but now I have a better work around.
When ubiquity asks for your name on the page where you create acounts
and setup your hostname and it says your custom hostname is invalid put
the cursor in the filed for your name and hit backspace to delete the
last character of your name then type it again. And it now accepts a
valid hostname as valid and continues to install.

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Title:
  all hostnames on network appear taken when changing hostname.

Status in ubiquity package in Ubuntu:
  New

Bug description:
  To reproduce use a lubuntu amd64 iso and isntall on laptop and choose
  manual partitiong. Then ichoose for a btrfs partition as / and reuse
  xfs as home. then it asks for timezone and show new york and I
  switched to Los Angeles. Then it came to enter username and I entered
  brenda. I wanted to change the hostname from brenda-Hp-pavillion-1230
  to something like btrviv and it said it was already taken on the
  network. I tried typing in more hostnames and it seemed that they
  already existed on the network but having everything I try to type in
  be already taken is unlikely ad I tried like 10 different hostnames
  and still ubiquity said they were all taken. I am connected over wifi
  with a

  wlan0     IEEE 802.11bg  ESSID:"Steaksauce"  
            Mode:Managed  Frequency:2.422 GHz  Access Point: C4:3D:C7:A4:41:7C   
            Bit Rate=54 Mb/s   Tx-Power=20 dBm   
            Retry short limit:7   RTS thr:off   Fragment thr:off
            Power Management:off
            Link Quality=68/70  Signal level=-42 dBm  
            Rx invalid nwid:0  Rx invalid crypt:0  Rx invalid frag:0
            Tx excessive retries:29  Invalid misc:48   Missed beacon:0
  but I also have a broadcom 4322 on pci that does not work out of the box but it is not using that. Also clicking back and then continue again I would still get that all hostnames are invalid. 

  Also I am not sure if this is so early in the installer that it fails
  as it has not installed anything but in my live system netihr
  /var/log/installer/syslog or /var/log/installer/partman exist

  ubiquity:
    Installed: 2.21.1
    Candidate: 2.21.1
    Version table:
   *** 2.21.1 0
          500 http://archive.ubuntu.com/ubuntu/ vivid/main amd64 Packages
          100 /var/lib/dpkg/status

  Description:	Ubuntu Vivid Vervet (development branch)
  Release:	15.04

  I expected to be able to change my hostname to a valid hostname.
  Instead I could not change the hostname. I could try using the defualt
  hostname as a workaround and chaning it later.

  ProblemType: Bug
  DistroRelease: Ubuntu 15.04
  Package: ubiquity 2.21.1
  ProcVersionSignature: Ubuntu 3.16.0-25.33-generic 3.16.7
  Uname: Linux 3.16.0-25-generic x86_64
  ApportVersion: 2.14.7-0ubuntu10
  Architecture: amd64
  CasperVersion: 1.346
  Date: Wed Dec  3 15:38:18 2014
  InstallCmdLine: file=/cdrom/preseed/lubuntu.seed boot=casper only-ubiquity initrd=/casper/initrd.lz quiet splash --
  LiveMediaBuild: Lubuntu 15.04 "Vivid Vervet" - Alpha amd64 (20141203)
  ProcEnviron:
   TERM=xterm
   PATH=(custom, no user)
   XDG_RUNTIME_DIR=<set>
   LANG=en_US.UTF-8
  SourcePackage: ubiquity
  UpgradeStatus: No upgrade log present (probably fresh install)

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