How To Install idn2 on CentOS 8

idn2 is IDNA2008 internationalized domain names conversion tool

Introduction

In this tutorial we learn how to install idn2 on CentOS 8.

What is `idn2`

The idn2 package contains the idn2 command line tool for testing IDNA2008 conversions.

We can use yum or dnf to install idn2 on CentOS 8. In this tutorial we discuss both methods but you only need to choose one of method to install idn2.

Install idn2 on CentOS 8 Using dnf

Update yum database with dnf using the following command.

sudo dnf makecache --refresh

The output should look something like this:

CentOS Linux 8 - AppStream                                       43 kB/s | 4.3 kB     00:00    
CentOS Linux 8 - BaseOS                                          65 kB/s | 3.9 kB     00:00    
CentOS Linux 8 - ContinuousRelease                               43 kB/s | 3.0 kB     00:00    
CentOS Linux 8 - Extras                                          23 kB/s | 1.5 kB     00:00    
CentOS Linux 8 - FastTrack                                       40 kB/s | 3.0 kB     00:00    
CentOS Linux 8 - HighAvailability                                36 kB/s | 3.9 kB     00:00    
CentOS Linux 8 - Plus                                            24 kB/s | 1.5 kB     00:00    
CentOS Linux 8 - PowerTools                                      50 kB/s | 4.3 kB     00:00    
Extra Packages for Enterprise Linux Modular 8 - x86_64           13 kB/s | 9.2 kB     00:00    
Extra Packages for Enterprise Linux 8 - x86_64                   24 kB/s | 8.5 kB     00:00    
Metadata cache created.

After updating yum database, We can install idn2 using dnf by running the following command:

sudo dnf -y install idn2

Install idn2 on CentOS 8 Using yum

Update yum database with yum using the following command.

sudo yum makecache --refresh

The output should look something like this:

CentOS Linux 8 - AppStream                                       43 kB/s | 4.3 kB     00:00    
CentOS Linux 8 - BaseOS                                          65 kB/s | 3.9 kB     00:00    
CentOS Linux 8 - ContinuousRelease                               43 kB/s | 3.0 kB     00:00    
CentOS Linux 8 - Extras                                          23 kB/s | 1.5 kB     00:00    
CentOS Linux 8 - FastTrack                                       40 kB/s | 3.0 kB     00:00    
CentOS Linux 8 - HighAvailability                                36 kB/s | 3.9 kB     00:00    
CentOS Linux 8 - Plus                                            24 kB/s | 1.5 kB     00:00    
CentOS Linux 8 - PowerTools                                      50 kB/s | 4.3 kB     00:00    
Extra Packages for Enterprise Linux Modular 8 - x86_64           13 kB/s | 9.2 kB     00:00    
Extra Packages for Enterprise Linux 8 - x86_64                   24 kB/s | 8.5 kB     00:00    
Metadata cache created.

After updating yum database, We can install idn2 using yum by running the following command:

sudo yum -y install idn2

How To Uninstall idn2 on CentOS 8

To uninstall only the idn2 package we can use the following command:

sudo dnf remove idn2

idn2 Package Contents on CentOS 8

/usr/bin/idn2
/usr/lib/.build-id
/usr/lib/.build-id/95
/usr/lib/.build-id/95/f4d234a562e72105b51e65298f80dd54f308be
/usr/share/info/libidn2.info.gz
/usr/share/man/man1/idn2.1.gz

References

idn2 website

Summary

In this tutorial we learn how to install idn2 on CentOS 8 using yum and dnf.