liushigit / RVM-Cheat-Sheet

Basics

[https://rvm.io/rvm/basics]

$ rvm use 2.1.1 --default

Installing Rubies

$ rvm list known
$ rvm install 1.9.3

Patch levels

$ rvm install ruby-1.8.7-p160

Copying single gemsets to new ruby

$ rvm gemset copy 1.8.6-p420@myapplication rbx-1.2.3@myapplication

Manual migration of all gemsets

$ rvm migrate 1.8.6-p420 rbx-1.2.3

Updating all gemsets

$ rvm gemset update

Removing Rubies

$ rvm remove # Removes the ruby, source files and optional gemsets / archives
$ rvm uninstall # Just removes the ruby - leaves everything else

• You can uninstall one or many rubies. If you're using many, please ensure you seperate the ruby string with a comma, e.g.:

$ rvm uninstall ree,1.8.7

Upgrading rubies

$ rvm upgrade 1.9.2-p136 1.9.2-p180

List

[https://rvm.io/rubies/list]

$ rvm list
$ rvm list rubies
$ rvm list default

Gemset

$ rvm gemset create rails222 rails126
=> Gemset 'rails222' created.
=> Gemset 'rails126' created.

$ rvm 1.9.2-head@rails222
$ gem install rails -v 2.2.2

• If you are deploying to a server, or you do not want to wait around for rdoc and ri to install for each gem, you can disable them for gem installs and updates. Just add these two lines to your ~/.gemrc or /etc/gemrc: gem: --no-rdoc --no-ri

Deleting Gemsets

$ rvm gemset use albinochipmunk
$ rvm gemset delete albinochipmunk

$ rvm 1.9.2 do gemset delete albinochipmunk

Listing

$ rvm gemset list
$ rvm gemdir

To list all named gemsets for all interpreters

$ rvm gemset list_all

To empty a gemset

$ rvm gemset empty albinochipmunk