How To Install rubygem-safe_yaml on CentOS 7

In this tutorial we learn how to install rubygem-safe_yaml on CentOS 7. rubygem-safe_yaml is Parse YAML safely

Introduction

In this tutorial we learn how to install rubygem-safe_yaml on CentOS 7.

What is rubygem-safe_yaml

The SafeYAML gem provides an alternative implementation of YAML.load suitable for accepting user input in Ruby applications. Unlike Ruby’s built-in implementation of YAML.load, SafeYAML’s version will not expose apps to arbitrary code execution exploits.

We can use yum or dnf to install rubygem-safe_yaml on CentOS 7. In this tutorial we discuss both methods but you only need to choose one of method to install rubygem-safe_yaml.

Install rubygem-safe_yaml on CentOS 7 Using yum

Update yum database with yum using the following command.

sudo yum makecache

After updating yum database, We can install rubygem-safe_yaml using yum by running the following command:

sudo yum -y install rubygem-safe_yaml

Install rubygem-safe_yaml on CentOS 7 Using dnf

If you don’t have dnf installed you can install DNF on CentOS 7 first. Update yum database with dnf using the following command.

sudo dnf makecache

After updating yum database, We can install rubygem-safe_yaml using dnf by running the following command:

sudo dnf -y install rubygem-safe_yaml

How To Uninstall rubygem-safe_yaml on CentOS 7

To uninstall only the rubygem-safe_yaml package we can use the following command:

sudo dnf remove rubygem-safe_yaml

References

Summary

In this tutorial we learn how to install rubygem-safe_yaml on CentOS 7 using yum and dnf.