1. Configure the firewall with gufw.

2. Other software

Heroku        : https://toolbelt.heroku.com/
Maven         : http://maven.apache.org/download.cgi
Intellij Idea : https://www.jetbrains.com/idea/download/
Calibre       : http://calibre-ebook.com/download_linux
SpiderOak     : https://spideroak.com/opendownload/
Dropbox       : https://www.dropbox.com/install?os=lnx

Rvm : https://rvm.io/
\curl -sSL https://get.rvm.io | bash -s stable --ruby
rvm install 2.0.0
rvm use 2.0.0 --default

Nvm : https://github.com/creationix/nvm
curl https://raw.githubusercontent.com/creationix/nvm/v0.7.0/install.sh | sh
nvm ls-remote
nvm install v0.11.12
nvm alias default 0.11.12

1. Configure the firewall with gufw
2. Other softwares

Heroku        : https://toolbelt.heroku.com/
Maven         : http://maven.apache.org/download.cgi
Intellij Idea : https://www.jetbrains.com/idea/download/
Calibre       : http://calibre-ebook.com/download_linux
SpiderOak     : https://spideroak.com/opendownload/
Dropbox       : https://www.dropbox.com/install?os=lnx

Rvm : https://rvm.io/
\curl -sSL https://get.rvm.io | bash -s stable --ruby
rvm list known
rvm install ruby
rvm use ruby --default

Nvm : https://github.com/creationix/nvm
git clone https://github.com/creationix/nvm.git ~/.nvm && cd ~/.nvm && git checkout `git describe --abbrev=0 --tags`
nvm ls-remote
nvm install node
nvm alias default node

Update instruction to install latest ruby and nodejs
Update instruction to install latest ruby and nodejs
