System configuration for ruby on rails

INSTALL GIT CURL RVM RUBY HEROKU POSTGRES

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                                           INSTALL GIT CURL RVM RUBY
#LINK:     https://rvm.io/rvm/install/
#LINK:     http://stackoverflow.com/questions/9056008/installed-ruby-1-9-3-with-rvm-but-command-line-doesnt-show-ruby-v/9056395#9056395

# Above 2 links used to install RVM.
           
# If Previously tried to install rvm or Then first remove (purge) it else start from step 5.

  1.  apt-get --purge remove ruby-rvm
  2.  rm -rf /usr/share/ruby-rvm /etc/rvmrc /etc/profile.d/rvm.sh
  3.  exit

#Open new Terminal (ctrl+shift+T)

  4.  env | grep rvm
  5.  curl -L get.rvm.io | bash -s stable --auto
  6.  exit

#Open new Terminal (ctrl+shift+T)

  7.  curl -L https://get.rvm.io | bash -s stable --ruby
  8.  source /usr/local/rvm/scripts/rvm
  9.  rvm requirements
# rvm requirements will show the requirements of rvm like below in [cmd]       run  cmd.
#    [10. apt-get install build-essential openssl libreadline6 libreadline6-dev curl git-core zlib1g zlib1g-dev libssl-dev libyaml-dev libsqlite3-dev #sqlite3 libxml2-dev libxslt-dev autoconf libc6-dev ncurses-dev automake libtool bison subversion]
  11. exit

#Open new Terminal (ctrl+shift+T)

  12.  source /usr/local/rvm/scripts/rvm
  13.  type rvm | head -1
  14.  rvm -v
  15.  ruby -v
  16.  type rvm | head -1
# It will show RVM is a function.
  17.  rvm list
# It will show list of ruby install on RVM.
  18.  exit
#Open new Terminal (ctrl+shift+T)
  18.  type rvm | head -1
  19.  rvm list
  20.  exit

#Open new Terminal (ctrl+shift+T)
  21.  rvm list
#Above cmd will not work. You have to run 'source /usr/local/rvm/scripts/rvm' cmd every time you open new terminal. [To avoid it change done in .bashrc file]
    22.  gedit ~/.bashrc
# Add [[ -s "/usr/local/rvm/scripts/rvm" ]] && source "/usr/local/rvm/scripts/rvm"         at the end of .bashrc file and save and close.
  23.  source /usr/local/rvm/scripts/rvm
  23.  rvm list
  24.  exit

#Open new Terminal (ctrl+shift+T)

  25.  rvm list





# Now rvm has been completed.
#You can install ruby using rvm.
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                                                 INSTALL RUBY ON RVM
                                                                               
    1.    rvm install ruby_version
# For example rvm install ruby-1.9.2-p180, rvm install ruby-1.9.2-p320, rvm install 1.8.7 etc.


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                                                  INSTALLATION of HEROKU

1 => gem install heroku

5 => ssh-keygen -t rsa ( Create your system's new ssh key)                                          

 (link: https://devcenter.heroku.com/articles/keys)
6 => heroku keys:add
7 => heroku keys
8 => git clone git@heroku.com:iqglobal.git -o heroku
9 => cd iqglobal/
10 => bundle install
11 => rake db:create
12 => rake db:migrate

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                                               INSTALLATION of POSTGRES
Require libpg for installing of pg,when we install pg(gem install pg) then this type of problem create.
1 => apt-get install libpq-dev

Installation of postgres and set create user name from root
1 => sudo apt-get install postgresql-8.4
2 => su postgres
3 => sudo -u postgres createuser --superuser $USER
4 create database "iQglobal_development"   (rake db:create)
5 => pg_restore --verbose --clean --no-acl --no-owner -d iQglobal_development database.dump
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