Hello .
I am trying to install 3.0 on a VPS Openproject Centos 6 managed with Plesk 11.5 panel.

Following the installation manual for Postgres Centos and am installing OpenProject problem .

Specifically , in step 4 when I indicate the " bundle install " command, the following error occurs :

bash-4.1$ bundle install
Fetching source index from https://rubygems.org/
Using rake 10.3.2
Using i18n 0.6.8
Using multi_json 1.8.2
Using activesupport 3.2.19
Using builder 3.0.4
Using activemodel 3.2.19
Using erubis 2.7.0
Using journey 1.0.4
Using rack 1.4.5
Using rack-cache 1.2
Using rack-test 0.6.2
Using hike 1.2.3
Using tilt 1.4.1
Using sprockets 2.2.2
Using actionpack 3.2.19
Using mime-types 1.25.1
Using polyglot 0.3.3
Using treetop 1.4.15
Using mail 2.5.4
Using actionmailer 3.2.19
Using arel 3.0.3
Using tzinfo 0.3.38
Using activerecord 3.2.19
Using activerecord-tableless 1.3.3
Using activeresource 3.2.19
Using acts_as_list 0.2.0
Using addressable 2.3.4
Using awesome_nested_set 2.1.6

Errno::EACCES: Permission denied @ rb_sysopen - /var/www/vhosts/userhome/.rvm/gems/ruby-2.1.0/gems/debug_inspector-0.0.2/README.md
An error occurred while installing debug_inspector (0.0.2), and Bundler cannot continue.
Make sure that `gem install debug_inspector -v '0.0.2'` succeeds before bundling.

I have no knowledge in ruby on rails . I do not know how to solve this error.

Please help .