[Bug 1611737] Re: Can't upgrade from a release if ros packages are installed from ROS servers

[Jishnu Mohan P R]

I had the same error and I solved it.

First remove ros using the command:  sudo apt-get remove ros-*

If you have created any workspace you have to remove that too.

If you have added setup scripts to you .bashrc then remove that too. For that use the command: 
gedit .bashrc 

and then remove all the last commands with ros and your workspaces.

After doing these steps, use the commands:  sudo apt-get clean and sudo
apt-get autoclean

This will solve the error.

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https://bugs.launchpad.net/bugs/1611737

Title:
  Can't upgrade from a release if ros packages are  installed from ROS
  servers

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

Bug description:
  This message was appear when upgrade

  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: ubuntu-release-upgrader-core 1:0.220.8
  ProcVersionSignature: Ubuntu 3.19.0-66.74~14.04.1-generic 3.19.8-ckt22
  Uname: Linux 3.19.0-66-generic x86_64
  NonfreeKernelModules: nvidia
  ApportVersion: 2.14.1-0ubuntu3.21
  Architecture: amd64
  CrashDB: ubuntu
  CurrentDesktop: Unity
  Date: Wed Aug 10 18:41:24 2016
  InstallationDate: Installed on 2015-09-08 (336 days ago)
  InstallationMedia: Ubuntu 14.04.3 LTS "Trusty Tahr" - Beta amd64 (20150805)
  PackageArchitecture: all
  SourcePackage: ubuntu-release-upgrader
  UpgradeStatus: Upgraded to trusty on 2016-08-10 (0 days ago)

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