Description of problem:
I need to remove completly dokku from my server in order to reinstall it. I did with apt-get remove dokku. But I haven't the result I need.

Output of the following commands

• uname -a:
  Linux rosen 3.16.0-4-amd64 Prerequisite changes to allow Java buildpack support #1 SMP Debian 3.16.7-ckt20-1+deb8u4 (2016-02-29) x86_64 GNU/Linux
• free -m:
  total used free shared buffers cached
  Mem: 1000 907 93 49 155 385
  -/+ buffers/cache: 366 634
  Swap: 0 0 0
• docker version:
  Client:
  Version: 1.10.3
  API version: 1.22
  Go version: go1.5.3
  Git commit: 20f81dd
  Built: Thu Mar 10 15:38:58 2016
  OS/Arch: linux/amd64

Server:
Version: 1.10.3
API version: 1.22
Go version: go1.5.3
Git commit: 20f81dd
Built: Thu Mar 10 15:38:58 2016
OS/Arch: linux/amd64

• docker -D info:
  Containers: 1
  Running: 1
  Paused: 0
  Stopped: 0
  Images: 6
  Server Version: 1.10.3
  Storage Driver: aufs
  Root Dir: /var/lib/docker/aufs
  Backing Filesystem: extfs
  Dirs: 38
  Dirperm1 Supported: true
  Execution Driver: native-0.2
  Logging Driver: json-file
  Plugins:
  Volume: local
  Network: null host bridge
  Kernel Version: 3.16.0-4-amd64
  Operating System: Debian GNU/Linux 8 (jessie)
  OSType: linux
  Architecture: x86_64
  CPUs: 1
  Total Memory: 1000 MiB
  Name: rosen
  ID: ZLCP:IGXQ:FSDL:YI6S:KNYZ:TOUU:HIUT:X4LQ:KBH2:S2Z6:AKWP:QRAK
  WARNING: No memory limit support
  WARNING: No swap limit support
  WARNING: No oom kill disable support
  WARNING: No cpu cfs quota support
  WARNING: No cpu cfs period support
• sigil -v:
  zsh: command not found: sigil
• docker run -ti gliderlabs/herokuish:latest herokuish version:
  herokuish: 0.3.8
  buildpacks:
  heroku-buildpack-clojure v73
  heroku-buildpack-go v22
  heroku-buildpack-gradle v17
  heroku-buildpack-grails v19
  heroku-buildpack-java v42
  heroku-buildpack-multi v1.0.0
  heroku-buildpack-nodejs v87
  heroku-buildpack-php v90
  heroku-buildpack-play v24
  heroku-buildpack-python v74
  heroku-buildpack-ruby v141
  heroku-buildpack-scala v64
  buildpack-nginx v5
• dokku version: 0.4.14
• dokku plugin:
  plugn: dev
  00_dokku-standard 0.4.0 enabled dokku core standard plugin
  20_events 0.4.0 enabled dokku core events logging plugin
  apps 0.4.0 enabled dokku core apps plugin
  backup 0.4.0 enabled dokku core backup plugin
  build-env 0.4.0 enabled dokku core build-env plugin
  certs 0.4.0 enabled dokku core certificate management plugin
  checks 0.4.0 enabled dokku core checks plugin
  common 0.4.0 enabled dokku core common plugin
  config 0.4.0 enabled dokku core config plugin
  docker-options 0.4.0 enabled dokku core docker-options plugin
  domains 0.4.0 enabled dokku core domains plugin
  enter 0.4.0 enabled dokku core enter plugin
  git 0.4.0 enabled dokku core git plugin
  logs 0.4.0 enabled dokku core logs plugin
  named-containers 0.4.0.1 enabled dokku core named containers plugin
  nginx-vhosts 0.4.0 enabled dokku core nginx-vhosts plugin
  plugin 0.4.0 enabled dokku core plugin plugin
  postgres 1.0.0 enabled dokku postgres service plugin
  ps 0.4.0 enabled dokku core ps plugin
  shell 0.4.0 enabled dokku core shell plugin
  tags 0.4.0 enabled dokku core tags plugin
  tar 0.4.0 enabled dokku core tar plugin
• docker inspect CONTAINER_ID (if applicable):
  (BEWARE: docker inspect will print environment variables for some commands, be sure you're not exposing any sensitive information when posting issues. You may replace these values with XXXXXXX):
• cat /home/dokku/<app>/nginx.conf (if applicable):
• Link to the exact repository being deployed (if possible/applicable):
• If a deploy is failing:
  • Application name
  • The type of application being deployed (node, php, python, ruby, etc.)
  • Whether or not you have a Dockerfile in the root of your repository
  • If using buildpacks, which custom buildpacks are in use
  • If it exists, the contents of your Procfile.
• Output of failing dokku commands after running dokku trace on
  (BEWARE: trace on will print environment variables for some commands, be sure you're not exposing any sensitive information when posting issues. You may replace these values with XXXXXXX):

Environment details (AWS, VirtualBox, physical, etc.):

How was dokku installed?:

How reproducible:

Steps to Reproduce:
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Actual Results:

Expected Results:

Additional info: