ps auxf|grep python is the command to use to check is the python is running after a fresh install

Output of the following commands

• uname -a:
  Linux chacana.info.ucl.ac.be 3.10.0-327.el7.x86_64 Prerequisite changes to allow Java buildpack support #1 SMP Thu Nov 19 22:10:57 UTC 2015 x86_64 x86_64 x86_64 GNU/Linux

• free -m:
  total used free shared buff/cache available
  Mem: 7758 520 3157 161 4080 6785
  Swap: 4095 0 4095

• docker version:

Client:
Version: 1.12.6
API version: 1.24
Go version: go1.6.4
Git commit: 78d1802
Built: Tue Jan 10 20:20:01 2017
OS/Arch: linux/amd64

Server:
Version: 1.12.6
API version: 1.24
Go version: go1.6.4
Git commit: 78d1802
Built: Tue Jan 10 20:20:01 2017
OS/Arch: linux/amd64

• docker -D info:
  Containers: 0
  Running: 0
  Paused: 0
  Stopped: 0
  Images: 5
  Server Version: 1.12.6
  Storage Driver: devicemapper
  Pool Name: docker-8:3-269193304-pool
  Pool Blocksize: 65.54 kB
  Base Device Size: 10.74 GB
  Backing Filesystem: xfs
  Data file: /dev/loop0
  Metadata file: /dev/loop1
  Data Space Used: 1.607 GB
  Data Space Total: 107.4 GB
  Data Space Available: 105.8 GB
  Metadata Space Used: 1.614 MB
  Metadata Space Total: 2.147 GB
  Metadata Space Available: 2.146 GB
  Thin Pool Minimum Free Space: 10.74 GB
  Udev Sync Supported: true
  Deferred Removal Enabled: false
  Deferred Deletion Enabled: false
  Deferred Deleted Device Count: 0
  Data loop file: /var/lib/docker/devicemapper/devicemapper/data
  WARNING: Usage of loopback devices is strongly discouraged for production use. Use --storage-opt dm.thinpooldev to specify a custom block storage device.
  Metadata loop file: /var/lib/docker/devicemapper/devicemapper/metadata
  Library Version: 1.02.107-RHEL7 (2015-10-14)
  Logging Driver: json-file
  Cgroup Driver: cgroupfs
  Plugins:
  Volume: local
  Network: overlay bridge null host
  Swarm: inactive
  Runtimes: runc
  Default Runtime: runc
  Security Options: seccomp
  Kernel Version: 3.10.0-327.el7.x86_64
  Operating System: CentOS Linux 7 (Core)
  OSType: linux
  Architecture: x86_64
  CPUs: 4
  Total Memory: 7.577 GiB
  Name: chacana.info.ucl.ac.be
  ID: MT3A:TFFD:WR2K:3VIM:XAU5:IK2W:TMNY:BC7H:BHDB:W6R3:QG6B:CVVU
  Docker Root Dir: /var/lib/docker
  Debug Mode (client): true
  Debug Mode (server): false
  Registry: https://index.docker.io/v1/
  WARNING: bridge-nf-call-iptables is disabled
  WARNING: bridge-nf-call-ip6tables is disabled
  Insecure Registries:
  127.0.0.0/8

• sigil -v:
  0.4.0

• docker run -ti gliderlabs/herokuish:latest herokuish version:
  herokuish: 0.3.24
  buildpacks:
  heroku-buildpack-multi v1.0.0
  heroku-buildpack-ruby v150
  heroku-buildpack-nodejs v93
  heroku-buildpack-clojure v75
  heroku-buildpack-python v97
  heroku-buildpack-java v48
  heroku-buildpack-gradle v19
  heroku-buildpack-grails v21
  heroku-buildpack-scala v72
  heroku-buildpack-play v26
  heroku-buildpack-php v117
  heroku-buildpack-go v54
  heroku-buildpack-erlang fa17af9
  buildpack-nginx v8

• dokku version:
  0.8.0

• dokku plugin:
  plugn: 0.2.2
  00_dokku-standard 0.8.0 enabled dokku core standard plugin
  20_events 0.8.0 enabled dokku core events logging plugin
  apps 0.8.0 enabled dokku core apps plugin
  build-env 0.8.0 enabled dokku core build-env plugin
  certs 0.8.0 enabled dokku core certificate management plugin
  checks 0.8.0 enabled dokku core checks plugin
  common 0.8.0 enabled dokku core common plugin
  config 0.8.0 enabled dokku core config plugin
  docker-options 0.8.0 enabled dokku core docker-options plugin
  domains 0.8.0 enabled dokku core domains plugin
  enter 0.8.0 enabled dokku core enter plugin
  git 0.8.0 enabled dokku core git plugin
  logs 0.8.0 enabled dokku core logs plugin
  named-containers 0.8.0 enabled dokku core named containers plugin
  nginx-vhosts 0.8.0 enabled dokku core nginx-vhosts plugin
  plugin 0.8.0 enabled dokku core plugin plugin
  proxy 0.8.0 enabled dokku core proxy plugin
  ps 0.8.0 enabled dokku core ps plugin
  repo 0.8.0 enabled dokku core repo plugin
  shell 0.8.0 enabled dokku core shell plugin
  ssh-keys 0.8.0 enabled dokku core ssh-keys plugin
  storage 0.8.0 enabled dokku core storage plugin
  tags 0.8.0 enabled dokku core tags plugin
  tar 0.8.0 enabled dokku core tar plugin

Environment details (AWS, VirtualBox, physical, etc.):
Physical machine running CentOS 7