# Apt-get update broke Kali installation of dradis

**URL:** <https://discuss.dradis.com/t/apt-get-update-broke-kali-installation-of-dradis/349>\
**Category:** Community Edition\
**Created:** [August 21, 2016, 3:47pm UTC](https://discuss.dradis.com/t/apt-get-update-broke-kali-installation-of-dradis/349 "2016-08-21T15:47:36Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![f00dl3](https://avatars.discourse-cdn.com/v4/letter/f/f04885/32.png) [@f00dl3](https://discuss.dradis.com/u/f00dl3)\
**Post date:** [August 21, 2016, 3:47pm UTC](https://discuss.dradis.com/t/apt-get-update-broke-kali-installation-of-dradis/349/1 "2016-08-21T15:47:36Z")

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Getting the following error after I performed a apt-get update; apt-get upgrade on Kali…

Warning: The home dir /var/lib/dradis you specified already exists.  
The system user `dradis' already exists. Exiting. /usr/lib/ruby/vendor_ruby/bundler/resolver.rb:194:in `block in initialize’: undefined method `add_root_vertex' for Molinillo::DependencyGraph:[]:Molinillo::DependencyGraph (NoMethodError) from /usr/lib/ruby/vendor_ruby/bundler/resolver.rb:194:in `initialize’  
from /usr/lib/ruby/vendor\_ruby/bundler/resolver.rb:181:in `new' from /usr/lib/ruby/vendor_ruby/bundler/resolver.rb:181:in `resolve’  
from /usr/lib/ruby/vendor\_ruby/bundler/definition.rb:200:in `resolve' from /usr/lib/ruby/vendor_ruby/bundler/definition.rb:140:in `specs’  
from /usr/lib/ruby/vendor\_ruby/bundler/definition.rb:185:in `specs_for' from /usr/lib/ruby/vendor_ruby/bundler/definition.rb:174:in `requested\_specs’  
from /usr/lib/ruby/vendor\_ruby/bundler/environment.rb:18:in `requested_specs' from /usr/lib/ruby/vendor_ruby/bundler/runtime.rb:13:in `setup’  
from /usr/lib/ruby/vendor\_ruby/bundler.rb:127:in `setup' from /usr/lib/ruby/vendor_ruby/bundler/setup.rb:8:in `\<top (required)\>’  
from /usr/local/lib/site\_ruby/2.2.0/rubygems/core\_ext/kernel\_require.rb:55:in `require' from /usr/local/lib/site_ruby/2.2.0/rubygems/core_ext/kernel_require.rb:55:in `require’  
from /usr/lib/dradis/config/boot.rb:3:in `<top (required)>' from bin/rake:2:in `require\_relative’  
from bin/rake:2:in `’

dpkg: error processing package dradis (–configure):  
subprocess installed post-installation script returned error exit status 1  
Setting up redis-tools (2:3.2.3-1) …  
Setting up redis-server (2:3.2.3-1) …  
update-rc.d: We have no instructions for the redis-server init script.  
update-rc.d: It looks like a non-network service, we enable it.  
Processing triggers for libc-bin (2.23-4) …  
Processing triggers for systemd (230-7) …  
Errors were encountered while processing:  
dradis  
E: Sub-process /usr/bin/dpkg returned an error code (1)

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**Author:** ![rachkor](https://yyz1.discourse-cdn.com/flex035/user_avatar/discuss.dradis.com/rachkor/32/51_2.png) [@rachkor](https://discuss.dradis.com/u/rachkor)\
**Post date:** [August 22, 2016, 6:07pm UTC](https://discuss.dradis.com/t/apt-get-update-broke-kali-installation-of-dradis/349/2 "2016-08-22T18:07:26Z")

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Hi @f00dl3,  
Thanks for reaching out on this one! I did a quick search and came across this thread on StackExchange that looks identical to your error: [apt - dpkg: error processing package dradis - Ask Ubuntu](http://askubuntu.com/questions/795232/dpkg-error-processing-package-dradis)  
Do any of the fixes there work for you? Keep us posted with any updates!

We’re recommending using the `git` install on Kali so you may want to check out this guide for more detailed installation instructions after you’ve resolved this error: [Installing Dradis on Kali Linux | Dradis Framework](http://dradisframework.org/documentation/install_kali.html)