Ruby is an object oriented programming language for general purpose, in this article i will show you how to install ruby on lubuntu 16.04. If you want to learn about ruby language you might want to read this.
If you want to learn about ruby, of course you need to install it on your computer, unfortunately installing ruby is not that simple, most tutorial in the internet suggest you to use rbenv or even rvm to install ruby.
I already tried to install ruby using rbenv and rvm but none of them are working, luckily i found a solution, there is a PPA repo that can help us installing ruby, with this PPA repo we can install different kind of ruby version.
Step by step how to install ruby 2.4 on lubuntu 16.04
- open command line on your lubuntu (press CTRL + ALT + T)
- install software-properties-common package
sudo apt-get install software-properties-common
sudo apt-add-repository ppa:brightbox/ruby-ng
sudo apt-get update
sudo apt-get install ruby2.4 ruby2.4-dev
Install different version of ruby
If you prefer to use an older version of ruby, you can do that too, simply install using apt-get install command, for example you want to install ruby version 2.2, then you do this:
sudo apt-get install ruby2.2 ruby2.2-dev
How to switch between different version of ruby?
show list of ruby version installed
switch to specific ruby version
check the currently active ruby version
To switch between different version of ruby we need to install another program called ruby switch (it's based on the PPA repo above).
- install ruby switch
sudo apt-get install ruby-switch
ruby-switch --list
sudo ruby-switch --set ruby2.2
ruby -v
Now you can start coding in ruby, happy coding!
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