How To Install getdns-utils on CentOS 8

getdns-utils is getdns utilities

Introduction

In this tutorial we learn how to install getdns-utils on CentOS 8.

What is getdns-utils

The getdns-utils package contains utilities using getdns library, getdns_query and getdns_query_mon utilities. They can be used to analyze responses from DNS servers over UDP, TCP and TLS, including support for DNS security. getdns_query can be used for fetching details of DNS responses in json format. getdns_query_mon is great for automated monitoring of DNS server replies.

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

Install getdns-utils 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 getdns-utils using dnf by running the following command:

sudo dnf -y install getdns-utils

Install getdns-utils 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 getdns-utils using yum by running the following command:

sudo yum -y install getdns-utils

How To Uninstall getdns-utils on CentOS 8

To uninstall only the getdns-utils package we can use the following command:

sudo dnf remove getdns-utils

getdns-utils Package Contents on CentOS 8

/usr/bin/getdns_query
/usr/bin/getdns_server_mon
/usr/lib/.build-id
/usr/lib/.build-id/91
/usr/lib/.build-id/91/681973588b8904dfbabe1aa474ba157a6154fe
/usr/lib/.build-id/c3
/usr/lib/.build-id/c3/95985ccb4f6f1c4c8c54a2cba0a30ac89521f5

References

Summary

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