Setting up Rails

Medical Technology, Healthcare & Government IT

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Install Rails

Prerequisite

Setting Up Ruby

Install rails

Set the ruby version for gem

rvm use 1.9.2

Installing Rails will be done using RubyGems, Ruby package manager. Check the currently installed gems as follows.

gem list

Update sudoers to keep the environment variables.

sudo vim /etc/sudoers

Add PATH, GEM\_HOME environment variables to be included in env_keep as root user.

Defaults    env_keep = "COLORS DISPLAY HOSTNAME HISTSIZE INPUTRC KDEDIR \
                    LS_COLORS MAIL PS1 PS2 QTDIR USERNAME \
                    LANG LC_ADDRESS LC_CTYPE LC_COLLATE LC_IDENTIFICATION \
                    LC_MEASUREMENT LC_MESSAGES LC_MONETARY LC_NAME LC_NUMERIC \
                    LC_PAPER LC_TELEPHONE LC_TIME LC_ALL LANGUAGE LINGUAS \
                    _XKB_CHARSET XAUTHORITY PATH GEM_HOME"

Install rails using the given below command.

sudo gem install rails

Run the following command to make sure, rails was installed properly.

rails -v
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