How To Install rubygem-psych on CentOS 7
Introduction
In this tutorial we learn how to install rubygem-psych on CentOS 7.
What is rubygem-psych
Psych is a YAML parser and emitter. Psych leverages libyaml[http emitting capabilities. In addition to wrapping libyaml, Psych also knows how to serialize and de-serialize most Ruby objects to and from the YAML format.
We can use yum or dnf to install rubygem-psych on CentOS 7. In this tutorial we discuss both methods but you only need to choose one of method to install rubygem-psych.
Install rubygem-psych 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-psych using yum by running the following command:
sudo yum -y install rubygem-psych
Install rubygem-psych 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-psych using dnf by running the following command:
sudo dnf -y install rubygem-psych
How To Uninstall rubygem-psych on CentOS 7
To uninstall only the rubygem-psych package we can use the following command:
sudo dnf remove rubygem-psych
References
Summary
In this tutorial we learn how to install rubygem-psych on CentOS 7 using yum and dnf.
