If the version you need is missing, try upgrading ruby-build. linux

To upgrade ruby-build on Linux, you can follow these steps:

1. Check the current version of ruby-build: Open a terminal and run the following command to check the current version of ruby-build installed on your Linux system: ruby-build --version

2. Install or update rbenv: If you don't have rbenv installed, you can install it using a package manager like apt or yum. Run the appropriate command based on your Linux distribution:

3. For Ubuntu or Debian-based systems: sudo apt-get update sudo apt-get install rbenv

4. For CentOS or Fedora-based systems: sudo yum update sudo yum install rbenv

5. Install or update ruby-build: Use the rbenv plugin manager, called "ruby-build," to install or update ruby-build. Run the following command: git clone https://github.com/rbenv/ruby-build.git ~/.rbenv/plugins/ruby-build

6. Update your shell configuration: To enable rbenv and ruby-build, you need to update your shell configuration file. Open the file ~/.bashrc (for Bash) or ~/.zshrc (for Zsh) using a text editor such as Nano or Vim. Add the following lines at the end of the file: export PATH="$HOME/.rbenv/bin:$PATH" eval "$(rbenv init -)"

7. Reload the shell configuration: After saving the changes to your shell configuration file, reload the configuration by running the appropriate command based on your shell:

8. For Bash: source ~/.bashrc

9. For Zsh: source ~/.zshrc

10. Verify the installation: Run the following command to verify that ruby-build has been updated successfully: ruby-build --version

By following these steps, you should be able to upgrade ruby-build on your Linux system.