How To Install qpdf on CentOS 8

qpdf is Command-line tools and library for transforming PDF files

Introduction

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

What is `qpdf`

QPDF is a command-line program that does structural, content-preserving transformations on PDF files. It could have been called something like pdf-to-pdf. It includes support for merging and splitting PDFs and to manipulate the list of pages in a PDF file. It is not a PDF viewer or a program capable of converting PDF into other formats.

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

Install qpdf 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 qpdf using dnf by running the following command:

sudo dnf -y install qpdf

Install qpdf 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 qpdf using yum by running the following command:

sudo yum -y install qpdf

How To Uninstall qpdf on CentOS 8

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

sudo dnf remove qpdf

qpdf Package Contents on CentOS 8

/usr/bin/fix-qdf
/usr/bin/qpdf
/usr/bin/zlib-flate
/usr/lib/.build-id
/usr/lib/.build-id/22
/usr/lib/.build-id/22/c7609c657c66ed5a54c274cce7a6ed6592233f
/usr/lib/.build-id/4c
/usr/lib/.build-id/4c/393007101fc0714ef79de3e7b6f15adcba7c2b
/usr/share/man/man1/fix-qdf.1.gz
/usr/share/man/man1/qpdf.1.gz
/usr/share/man/man1/zlib-flate.1.gz

References

qpdf website

Summary

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