To use a specific version (2.2.0 in the example below) and also set it as the default version for new shell sessions: rvm use 2.2.0 -default To verify: ruby -v The version should match that of the current Ruby in use.
Installing other versions of Ruby, such as 2.1.5 Before you install a version of Ruby with RVM, you should make sure you have the latest version of RVM: rvm get stable -autolibs=enable -auto-dotfiles Then run: rvm install 2.1.5 To see all the versions of Ruby installed via RVM: rvm list rubies This output also lets you know which version is the default and which one is the current one in use.
If you want to install another version of Ruby besides 2.2.0, follow the instructions below. If you followed this tutorial because you're interested in Rails development, I recommend visiting Daniel Kehoe's excellent. Enigmail adds integration with GPG into Thunderbird to make it easier to encrypt and decrypt emails and to import other people's public keys that you may receive in email. Step 8: Install Enigmail plugin for Thunderbird Once your email account is working in Thunderbird, the next step is to install Enigmail plugin. Step 7: Configuring Mozilla Thunderbird to work with your email account to Mozilla's instructions on how to set up Thunderbird to work with your email account. Step 6: Uploading your key to the public key servers If you want other people to be able to obtain your public key and send you encrypted emails without you having specifically sent your public key to them beforehand, then you should upload your key to the public key servers. You should place this revoke certificate on removable media ( a USB drive, burned onto a CD ) and then store it somewhere safe, perhaps at an off-site location such as a safety deposit box, hidden in a desk drawer or a closet. Step 5: Generating a revocation certificate and saving it in a safe place Additionally, if you hold down the 'control key' again and then click on your key, when the context menu appears, you can choose the option 'Generate revoke certificate' which will create a file that will let you revoke your key from the public key servers, should you ever lose your key pair.
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