Working with chruby and nvm on Ubuntu
I am setting up a new Ubuntu 16.04 dev environment. I wanted to take some notes on my progress. I am trying out chruby after it being highly recommended by the ruby gurus Eric and Zach. A natural place to start would be to get this Jekyll blog running locally. I ran into a few stumbling blocks.
Installing chruby and a Ruby version
There are many different ways to do this, I chose the method below.- Download and Install chruby
wget -O chruby-0.3.9.tar.gz https://github.com/postmodern/chruby/archive/v0.3.9.tar.gz tar xf chruby-0.3.9.tar.gz cd chruby-0.3.9/ sudo make install - Add chruby to your .bashrc
source /usr/local/share/chruby/chruby.sh source /usr/local/share/chruby/auto.sh - Install dependencies
sudo apt-get install -y build-essential bison zlib1g-dev \ libyaml-dev libssl-dev libgdbm-dev libreadline-dev \ libncurses5-dev libffi-dev - Install Ruby 2.3.1 This will work for any version of Ruby, but 2.3.1 is the one that I needed.
wget https://cache.ruby-lang.org/pub/ruby/2.3/ruby-2.3.1.tar.bz2 tar xf ruby-2.3.1.tar.bz2 cd ruby-2.3.1/ ./configure --prefix=/opt/rubies/ruby-2.3.1 make sudo make install - Install Gems for Jekyll Now that we have Ruby installed, we can install bundler and install all of our Gems.
chruby 2.3.1 gem install bundle bundle install
/home/levlaz/.gem/ruby/2.3.1/gems/bundler-1.12.5/lib/bundler/runtime.rb:89:in
`rescue in block (2 levels) in require': There was an error while trying to load
the gem 'jekyll-coffeescript'. (Bundler::GemRequireError)
Gem Load Error is: Could not find a JavaScript runtime. See
https://github.com/rails/execjs for a list of available runtimes.
Since I often work with many different versions of node, I took the opportunity to install nvm rather than the version of node that is available in the Ubuntu repositories.
Installing nvm
nvm is a really nice tool for working with various versions of node.- Run the installer script
This will install nvm and add the appropriate lines to yourcurl -o- https://raw.githubusercontent.com/creationix/nvm/v0.31.7/install.sh | bash~/.bashrcfile in order to load properly. - Install the latest version of node
nvm install node - Source NVM To get nvm working in the same terminal, you can run
source ~/.bashrc, alternatively you can open a new terminal and nvm will automatically be sourced since the installer script added the appropriate bits for us.
jekyll -s. Not only do we have Jekyll running like a charm, we also are ready to work with any version of Ruby or Node with chruby and nvm.
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