How do I change my ruby version?

How do I change Ruby version?

Ruby versions (updating)

  1. Upgrade ruby (using rvm) sudo rvm get head. …
  2. Install bundler. gem install bundler.
  3. Go to application root directory and install gems. cd APPLICATION_ROOT. …
  4. Install Easy Redmine. rake easyproject:install RAILS_ENV=production.
  5. You may also need to change the ruby version in a startup script.

How do I use a different version of Ruby?

To use any of the versions, simply type rvm <version> or rvm use <version> and to know which Ruby you are currently using type the command below. You should now see the Ruby version you chose previously.

How do I downgrade Ruby Version?

As others have mentioned, its hard to come up with exact solution, in general to downgrade or switch versions for a user:

  1. Install Ruby 1.8.7 (or locate it on your system if you have it already)
  2. Edit your .bash_profile or .bashrc file to update your $PATH so that the 1.8.7 executable is found first. …
  3. 7/bin/ruby.

How do I install a specific version of Ruby?

Use `gem install -v`

You may already be familiar with gem install , but if you add the -v flag, you can specify the version of the gem to install. Using -v you can specify an exact version or use version comparators.

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How do I install an old Ruby on Termux?

2 Answers

  1. Install gawk, curl and tar packages: apt install curl gawk tar.
  2. Go to rvm.io site and just copy ‘Install RVM’ command, look’ like: …
  3. Add this line [[ -s “$HOME/.rvm/scripts/rvm” ]] && . “$ …
  4. Now your shell must writing a syntax PS problem, just open rvm script and edit it:

How do I check my ruby version?

“how to check ruby version” Code Answer’s

  1. // Command line:
  2. $ ruby -v.
  3. // Within irb type “RUBY_VERSION”
  4. # => “2.4.1”
  5. // If using RVM:
  6. $ rvm current.

How do I switch between rails versions?

In Windows: open that “rails” file with text editor you will see —– version = “>= 0” (which means: it opens the highest version of rails, which exist in your ruby gems)

How do I install a new Rails version?

Rails Installation on Windows

  1. Step 1: Check Ruby Version. First, check if you already have Ruby installed. …
  2. Step 2: Install Ruby. If Ruby is not installed, then download an installation package from rubyinstaller.org. …
  3. Step 3: Install Rails. …
  4. Step 4: Check Rails Version.

How do I change Ruby to Rbenv?

Get started with rbenv

  1. List the installed Ruby versions. To list the installed Ruby versions in your machine with rbenv, run the following command: rbenv version. …
  2. Install a Ruby version. To install a new Ruby version, use the rbenv install command: rbenv install VERSION. …
  3. Use a specific Ruby version for a project.

How do I change the default Ruby on Mac?

Set Ruby version with rvm on Mac

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To set a default Ruby version with rvm, enter rvm –default use 3.0. 0 on the command line. To switch to the system ruby, enter rvm use system . To switch back to the default, rvm default .

How do I change Ruby in RVM?

Installing any version of Ruby you wish

  1. Run the following to get a list of available versions to install: [server]$ rvm list known. …
  2. Install the exact version of Ruby you require. …
  3. You can now tell your system to use this version by default: …
  4. Check the version of Ruby to confirm it’s been updated.