How To Install perl-Readonly on CentOS 7

Introduction

In this tutorial we learn how to install perl-Readonly on CentOS 7.

What is perl-Readonly

Readonly provides a facility for creating non-modifiable scalars, arrays, and hashes. Any attempt to modify a Readonly variable throws an exception. Readonly * Creates scalars, arrays (not lists), and hashes * Creates variables that look and work like native perl variables * Creates global or lexical variables * Works at run-time or compile-time * Works with deep or shallow data structures * Prevents reassignment of Readonly variables

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

Install perl-Readonly on CentOS 7 Using yum

Update yum database with yum using the following command.

sudo yum makecache

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

sudo yum -y install perl-Readonly

Install perl-Readonly 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 perl-Readonly using dnf by running the following command:

sudo dnf -y install perl-Readonly

How To Uninstall perl-Readonly on CentOS 7

To uninstall only the perl-Readonly package we can use the following command:

sudo dnf remove perl-Readonly

References

• perl-Readonly website

Summary

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