How To Install docbook-dtds on CentOS 8

docbook-dtds is SGML and XML document type definitions for DocBook

Introduction

In this tutorial we learn how to install docbook-dtds on CentOS 8.

What is `docbook-dtds`

The DocBook Document Type Definition (DTD) describes the syntax of technical documentation texts (articles, books and manual pages). This syntax is XML-compliant and is developed by the OASIS consortium. This package contains SGML and XML versions of the DocBook DTD.

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

Install docbook-dtds 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 docbook-dtds using dnf by running the following command:

sudo dnf -y install docbook-dtds

Install docbook-dtds 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 docbook-dtds using yum by running the following command:

sudo yum -y install docbook-dtds

How To Uninstall docbook-dtds on CentOS 8

To uninstall only the docbook-dtds package we can use the following command:

sudo dnf remove docbook-dtds

docbook-dtds Package Contents on CentOS 8

/etc/sgml/sgml-docbook-3.0.cat
/etc/sgml/sgml-docbook-3.1.cat
/etc/sgml/sgml-docbook-4.0.cat
/etc/sgml/sgml-docbook-4.1.cat
/etc/sgml/sgml-docbook-4.2.cat
/etc/sgml/sgml-docbook-4.3.cat
/etc/sgml/sgml-docbook-4.4.cat
/etc/sgml/sgml-docbook-4.5.cat
/etc/sgml/sgml-docbook.cat
/etc/sgml/xml-docbook-4.1.2.cat
/etc/sgml/xml-docbook-4.2.cat
/etc/sgml/xml-docbook-4.3.cat
/etc/sgml/xml-docbook-4.4.cat
/etc/sgml/xml-docbook-4.5.cat
/etc/sgml/xml-docbook.cat
/usr/share/doc/docbook-dtds
/usr/share/doc/docbook-dtds/3.0-sgml
/usr/share/doc/docbook-dtds/3.0-sgml/30chg.txt
/usr/share/doc/docbook-dtds/3.0-sgml/40issues.txt
/usr/share/doc/docbook-dtds/3.0-sgml/announce.txt
/usr/share/doc/docbook-dtds/3.1-sgml
/usr/share/doc/docbook-dtds/3.1-sgml/31chg.txt
/usr/share/doc/docbook-dtds/3.1-sgml/40issues.txt
/usr/share/doc/docbook-dtds/3.1-sgml/50issues.txt
/usr/share/doc/docbook-dtds/3.1-sgml/ChangeLog
/usr/share/doc/docbook-dtds/3.1-sgml/readme.txt
/usr/share/doc/docbook-dtds/4.0-sgml
/usr/share/doc/docbook-dtds/4.0-sgml/40chg.txt
/usr/share/doc/docbook-dtds/4.0-sgml/50issues.txt
/usr/share/doc/docbook-dtds/4.0-sgml/readme.txt
/usr/share/doc/docbook-dtds/4.1-sgml
/usr/share/doc/docbook-dtds/4.1-sgml/40chg.txt
/usr/share/doc/docbook-dtds/4.1-sgml/41chg.txt
/usr/share/doc/docbook-dtds/4.1-sgml/50issues.txt
/usr/share/doc/docbook-dtds/4.1-sgml/ChangeLog
/usr/share/doc/docbook-dtds/4.1-sgml/readme.txt
/usr/share/doc/docbook-dtds/4.1.2-xml
/usr/share/doc/docbook-dtds/4.1.2-xml/40chg.txt
/usr/share/doc/docbook-dtds/4.1.2-xml/41chg.txt
/usr/share/doc/docbook-dtds/4.1.2-xml/ChangeLog
/usr/share/doc/docbook-dtds/4.1.2-xml/readme.txt
/usr/share/doc/docbook-dtds/4.2-sgml
/usr/share/doc/docbook-dtds/4.2-sgml/ChangeLog
/usr/share/doc/docbook-dtds/4.2-sgml/README
/usr/share/doc/docbook-dtds/4.2-xml
/usr/share/doc/docbook-dtds/4.2-xml/ChangeLog
/usr/share/doc/docbook-dtds/4.2-xml/README
/usr/share/doc/docbook-dtds/4.3-sgml
/usr/share/doc/docbook-dtds/4.3-sgml/ChangeLog
/usr/share/doc/docbook-dtds/4.3-sgml/README
/usr/share/doc/docbook-dtds/4.3-xml
/usr/share/doc/docbook-dtds/4.3-xml/ChangeLog
/usr/share/doc/docbook-dtds/4.3-xml/README
/usr/share/doc/docbook-dtds/4.4-sgml
/usr/share/doc/docbook-dtds/4.4-sgml/ChangeLog
/usr/share/doc/docbook-dtds/4.4-sgml/README
/usr/share/doc/docbook-dtds/4.4-xml
/usr/share/doc/docbook-dtds/4.4-xml/ChangeLog
/usr/share/doc/docbook-dtds/4.4-xml/README
/usr/share/doc/docbook-dtds/4.5-sgml
/usr/share/doc/docbook-dtds/4.5-sgml/README
/usr/share/doc/docbook-dtds/4.5-xml
/usr/share/doc/docbook-dtds/4.5-xml/ChangeLog
/usr/share/doc/docbook-dtds/4.5-xml/README
/usr/share/sgml/docbook/rng-4.2
/usr/share/sgml/docbook/rng-4.2/calstblx.rng
/usr/share/sgml/docbook/rng-4.2/dbhierx.rng
/usr/share/sgml/docbook/rng-4.2/dbnotnx.rng
/usr/share/sgml/docbook/rng-4.2/dbpoolx.rng
/usr/share/sgml/docbook/rng-4.2/docbook.rng
/usr/share/sgml/docbook/rng-4.3
/usr/share/sgml/docbook/rng-4.3/calstblx.rnc
/usr/share/sgml/docbook/rng-4.3/calstblx.rng
/usr/share/sgml/docbook/rng-4.3/dbhierx.rnc
/usr/share/sgml/docbook/rng-4.3/dbhierx.rng
/usr/share/sgml/docbook/rng-4.3/dbnotnx.rnc
/usr/share/sgml/docbook/rng-4.3/dbnotnx.rng
/usr/share/sgml/docbook/rng-4.3/dbpoolx.rnc
/usr/share/sgml/docbook/rng-4.3/dbpoolx.rng
/usr/share/sgml/docbook/rng-4.3/docbook.rnc
/usr/share/sgml/docbook/rng-4.3/docbook.rng
/usr/share/sgml/docbook/rng-4.3/htmltblx.rnc
/usr/share/sgml/docbook/rng-4.3/htmltblx.rng
/usr/share/sgml/docbook/rng-4.4
/usr/share/sgml/docbook/rng-4.4/calstblx.rnc
/usr/share/sgml/docbook/rng-4.4/calstblx.rng
/usr/share/sgml/docbook/rng-4.4/dbhierx.rnc
/usr/share/sgml/docbook/rng-4.4/dbhierx.rng
/usr/share/sgml/docbook/rng-4.4/dbnotnx.rnc
/usr/share/sgml/docbook/rng-4.4/dbnotnx.rng
/usr/share/sgml/docbook/rng-4.4/dbpoolx.rnc
/usr/share/sgml/docbook/rng-4.4/dbpoolx.rng
/usr/share/sgml/docbook/rng-4.4/docbook.rnc
/usr/share/sgml/docbook/rng-4.4/docbook.rng
/usr/share/sgml/docbook/rng-4.4/htmltblx.rnc
/usr/share/sgml/docbook/rng-4.4/htmltblx.rng
/usr/share/sgml/docbook/rng-4.5
/usr/share/sgml/docbook/rng-4.5/calstblx.rnc
/usr/share/sgml/docbook/rng-4.5/calstblx.rng
/usr/share/sgml/docbook/rng-4.5/dbhierx.rnc
/usr/share/sgml/docbook/rng-4.5/dbhierx.rng
/usr/share/sgml/docbook/rng-4.5/dbnotnx.rnc
/usr/share/sgml/docbook/rng-4.5/dbnotnx.rng
/usr/share/sgml/docbook/rng-4.5/dbpoolx.rnc
/usr/share/sgml/docbook/rng-4.5/dbpoolx.rng
/usr/share/sgml/docbook/rng-4.5/docbook.rnc
/usr/share/sgml/docbook/rng-4.5/docbook.rng
/usr/share/sgml/docbook/rng-4.5/htmltblx.rnc
/usr/share/sgml/docbook/rng-4.5/htmltblx.rng
/usr/share/sgml/docbook/sgml-dtd-3.0
/usr/share/sgml/docbook/sgml-dtd-3.0/cals-tbl.dtd
/usr/share/sgml/docbook/sgml-dtd-3.0/catalog
/usr/share/sgml/docbook/sgml-dtd-3.0/dbgenent.mod
/usr/share/sgml/docbook/sgml-dtd-3.0/dbhier.mod
/usr/share/sgml/docbook/sgml-dtd-3.0/dbpool.mod
/usr/share/sgml/docbook/sgml-dtd-3.0/docbook.dcl
/usr/share/sgml/docbook/sgml-dtd-3.0/docbook.dtd
/usr/share/sgml/docbook/sgml-dtd-3.1
/usr/share/sgml/docbook/sgml-dtd-3.1/cals-tbl.dtd
/usr/share/sgml/docbook/sgml-dtd-3.1/catalog
/usr/share/sgml/docbook/sgml-dtd-3.1/dbcent.mod
/usr/share/sgml/docbook/sgml-dtd-3.1/dbgenent.mod
/usr/share/sgml/docbook/sgml-dtd-3.1/dbhier.mod
/usr/share/sgml/docbook/sgml-dtd-3.1/dbnotn.mod
/usr/share/sgml/docbook/sgml-dtd-3.1/dbpool.mod
/usr/share/sgml/docbook/sgml-dtd-3.1/docbook.dcl
/usr/share/sgml/docbook/sgml-dtd-3.1/docbook.dtd
/usr/share/sgml/docbook/sgml-dtd-4.0
/usr/share/sgml/docbook/sgml-dtd-4.0/cals-tbl.dtd
/usr/share/sgml/docbook/sgml-dtd-4.0/catalog
/usr/share/sgml/docbook/sgml-dtd-4.0/dbcent.mod
/usr/share/sgml/docbook/sgml-dtd-4.0/dbgenent.mod
/usr/share/sgml/docbook/sgml-dtd-4.0/dbhier.mod
/usr/share/sgml/docbook/sgml-dtd-4.0/dbnotn.mod
/usr/share/sgml/docbook/sgml-dtd-4.0/dbpool.mod
/usr/share/sgml/docbook/sgml-dtd-4.0/docbook.dcl
/usr/share/sgml/docbook/sgml-dtd-4.0/docbook.dtd
/usr/share/sgml/docbook/sgml-dtd-4.1
/usr/share/sgml/docbook/sgml-dtd-4.1/cals-tbl.dtd
/usr/share/sgml/docbook/sgml-dtd-4.1/catalog
/usr/share/sgml/docbook/sgml-dtd-4.1/dbcent.mod
/usr/share/sgml/docbook/sgml-dtd-4.1/dbgenent.mod
/usr/share/sgml/docbook/sgml-dtd-4.1/dbhier.mod
/usr/share/sgml/docbook/sgml-dtd-4.1/dbnotn.mod
/usr/share/sgml/docbook/sgml-dtd-4.1/dbpool.mod
/usr/share/sgml/docbook/sgml-dtd-4.1/docbook.dcl
/usr/share/sgml/docbook/sgml-dtd-4.1/docbook.dtd
/usr/share/sgml/docbook/sgml-dtd-4.2
/usr/share/sgml/docbook/sgml-dtd-4.2/calstblx.dtd
/usr/share/sgml/docbook/sgml-dtd-4.2/catalog
/usr/share/sgml/docbook/sgml-dtd-4.2/dbcentx.mod
/usr/share/sgml/docbook/sgml-dtd-4.2/dbgenent.mod
/usr/share/sgml/docbook/sgml-dtd-4.2/dbhierx.mod
/usr/share/sgml/docbook/sgml-dtd-4.2/dbnotnx.mod
/usr/share/sgml/docbook/sgml-dtd-4.2/dbpoolx.mod
/usr/share/sgml/docbook/sgml-dtd-4.2/docbook.dcl
/usr/share/sgml/docbook/sgml-dtd-4.2/docbook.dtd
/usr/share/sgml/docbook/sgml-dtd-4.2/docbookx.dtd
/usr/share/sgml/docbook/sgml-dtd-4.2/soextblx.dtd
/usr/share/sgml/docbook/sgml-dtd-4.3
/usr/share/sgml/docbook/sgml-dtd-4.3/calstblx.dtd
/usr/share/sgml/docbook/sgml-dtd-4.3/catalog
/usr/share/sgml/docbook/sgml-dtd-4.3/dbcentx.mod
/usr/share/sgml/docbook/sgml-dtd-4.3/dbgenent.mod
/usr/share/sgml/docbook/sgml-dtd-4.3/dbhierx.mod
/usr/share/sgml/docbook/sgml-dtd-4.3/dbnotnx.mod
/usr/share/sgml/docbook/sgml-dtd-4.3/dbpoolx.mod
/usr/share/sgml/docbook/sgml-dtd-4.3/docbook.dcl
/usr/share/sgml/docbook/sgml-dtd-4.3/docbook.dtd
/usr/share/sgml/docbook/sgml-dtd-4.3/docbookx.dtd
/usr/share/sgml/docbook/sgml-dtd-4.3/htmltblx.mod
/usr/share/sgml/docbook/sgml-dtd-4.3/soextblx.dtd
/usr/share/sgml/docbook/sgml-dtd-4.4
/usr/share/sgml/docbook/sgml-dtd-4.4/calstblx.dtd
/usr/share/sgml/docbook/sgml-dtd-4.4/catalog
/usr/share/sgml/docbook/sgml-dtd-4.4/dbcentx.mod
/usr/share/sgml/docbook/sgml-dtd-4.4/dbgenent.mod
/usr/share/sgml/docbook/sgml-dtd-4.4/dbhierx.mod
/usr/share/sgml/docbook/sgml-dtd-4.4/dbnotnx.mod
/usr/share/sgml/docbook/sgml-dtd-4.4/dbpoolx.mod
/usr/share/sgml/docbook/sgml-dtd-4.4/docbook.dcl
/usr/share/sgml/docbook/sgml-dtd-4.4/docbook.dtd
/usr/share/sgml/docbook/sgml-dtd-4.4/docbookx.dtd
/usr/share/sgml/docbook/sgml-dtd-4.4/htmltblx.mod
/usr/share/sgml/docbook/sgml-dtd-4.4/soextblx.dtd
/usr/share/sgml/docbook/sgml-dtd-4.5
/usr/share/sgml/docbook/sgml-dtd-4.5/calstblx.dtd
/usr/share/sgml/docbook/sgml-dtd-4.5/catalog
/usr/share/sgml/docbook/sgml-dtd-4.5/dbcentx.mod
/usr/share/sgml/docbook/sgml-dtd-4.5/dbgenent.mod
/usr/share/sgml/docbook/sgml-dtd-4.5/dbhierx.mod
/usr/share/sgml/docbook/sgml-dtd-4.5/dbnotnx.mod
/usr/share/sgml/docbook/sgml-dtd-4.5/dbpoolx.mod
/usr/share/sgml/docbook/sgml-dtd-4.5/docbook.dcl
/usr/share/sgml/docbook/sgml-dtd-4.5/docbook.dtd
/usr/share/sgml/docbook/sgml-dtd-4.5/docbookx.dtd
/usr/share/sgml/docbook/sgml-dtd-4.5/htmltblx.mod
/usr/share/sgml/docbook/sgml-dtd-4.5/soextblx.dtd
/usr/share/sgml/docbook/xml-dtd-4.1.2
/usr/share/sgml/docbook/xml-dtd-4.1.2/calstblx.dtd
/usr/share/sgml/docbook/xml-dtd-4.1.2/catalog
/usr/share/sgml/docbook/xml-dtd-4.1.2/dbcentx.mod
/usr/share/sgml/docbook/xml-dtd-4.1.2/dbgenent.mod
/usr/share/sgml/docbook/xml-dtd-4.1.2/dbhierx.mod
/usr/share/sgml/docbook/xml-dtd-4.1.2/dbnotnx.mod
/usr/share/sgml/docbook/xml-dtd-4.1.2/dbpoolx.mod
/usr/share/sgml/docbook/xml-dtd-4.1.2/docbookx.dtd
/usr/share/sgml/docbook/xml-dtd-4.1.2/ent
/usr/share/sgml/docbook/xml-dtd-4.1.2/ent/iso-amsa.ent
/usr/share/sgml/docbook/xml-dtd-4.1.2/ent/iso-amsb.ent
/usr/share/sgml/docbook/xml-dtd-4.1.2/ent/iso-amsc.ent
/usr/share/sgml/docbook/xml-dtd-4.1.2/ent/iso-amsn.ent
/usr/share/sgml/docbook/xml-dtd-4.1.2/ent/iso-amso.ent
/usr/share/sgml/docbook/xml-dtd-4.1.2/ent/iso-amsr.ent
/usr/share/sgml/docbook/xml-dtd-4.1.2/ent/iso-box.ent
/usr/share/sgml/docbook/xml-dtd-4.1.2/ent/iso-cyr1.ent
/usr/share/sgml/docbook/xml-dtd-4.1.2/ent/iso-cyr2.ent
/usr/share/sgml/docbook/xml-dtd-4.1.2/ent/iso-dia.ent
/usr/share/sgml/docbook/xml-dtd-4.1.2/ent/iso-grk1.ent
/usr/share/sgml/docbook/xml-dtd-4.1.2/ent/iso-grk2.ent
/usr/share/sgml/docbook/xml-dtd-4.1.2/ent/iso-grk3.ent
/usr/share/sgml/docbook/xml-dtd-4.1.2/ent/iso-grk4.ent
/usr/share/sgml/docbook/xml-dtd-4.1.2/ent/iso-lat1.ent
/usr/share/sgml/docbook/xml-dtd-4.1.2/ent/iso-lat2.ent
/usr/share/sgml/docbook/xml-dtd-4.1.2/ent/iso-num.ent
/usr/share/sgml/docbook/xml-dtd-4.1.2/ent/iso-pub.ent
/usr/share/sgml/docbook/xml-dtd-4.1.2/ent/iso-tech.ent
/usr/share/sgml/docbook/xml-dtd-4.1.2/soextblx.dtd
/usr/share/sgml/docbook/xml-dtd-4.2
/usr/share/sgml/docbook/xml-dtd-4.2/calstblx.dtd
/usr/share/sgml/docbook/xml-dtd-4.2/catalog
/usr/share/sgml/docbook/xml-dtd-4.2/dbcentx.mod
/usr/share/sgml/docbook/xml-dtd-4.2/dbgenent.mod
/usr/share/sgml/docbook/xml-dtd-4.2/dbhierx.mod
/usr/share/sgml/docbook/xml-dtd-4.2/dbnotnx.mod
/usr/share/sgml/docbook/xml-dtd-4.2/dbpoolx.mod
/usr/share/sgml/docbook/xml-dtd-4.2/docbookx.dtd
/usr/share/sgml/docbook/xml-dtd-4.2/ent
/usr/share/sgml/docbook/xml-dtd-4.2/ent/iso-amsa.ent
/usr/share/sgml/docbook/xml-dtd-4.2/ent/iso-amsb.ent
/usr/share/sgml/docbook/xml-dtd-4.2/ent/iso-amsc.ent
/usr/share/sgml/docbook/xml-dtd-4.2/ent/iso-amsn.ent
/usr/share/sgml/docbook/xml-dtd-4.2/ent/iso-amso.ent
/usr/share/sgml/docbook/xml-dtd-4.2/ent/iso-amsr.ent
/usr/share/sgml/docbook/xml-dtd-4.2/ent/iso-box.ent
/usr/share/sgml/docbook/xml-dtd-4.2/ent/iso-cyr1.ent
/usr/share/sgml/docbook/xml-dtd-4.2/ent/iso-cyr2.ent
/usr/share/sgml/docbook/xml-dtd-4.2/ent/iso-dia.ent
/usr/share/sgml/docbook/xml-dtd-4.2/ent/iso-grk1.ent
/usr/share/sgml/docbook/xml-dtd-4.2/ent/iso-grk2.ent
/usr/share/sgml/docbook/xml-dtd-4.2/ent/iso-grk3.ent
/usr/share/sgml/docbook/xml-dtd-4.2/ent/iso-grk4.ent
/usr/share/sgml/docbook/xml-dtd-4.2/ent/iso-lat1.ent
/usr/share/sgml/docbook/xml-dtd-4.2/ent/iso-lat2.ent
/usr/share/sgml/docbook/xml-dtd-4.2/ent/iso-num.ent
/usr/share/sgml/docbook/xml-dtd-4.2/ent/iso-pub.ent
/usr/share/sgml/docbook/xml-dtd-4.2/ent/iso-tech.ent
/usr/share/sgml/docbook/xml-dtd-4.2/soextblx.dtd
/usr/share/sgml/docbook/xml-dtd-4.3
/usr/share/sgml/docbook/xml-dtd-4.3/calstblx.dtd
/usr/share/sgml/docbook/xml-dtd-4.3/catalog
/usr/share/sgml/docbook/xml-dtd-4.3/dbcentx.mod
/usr/share/sgml/docbook/xml-dtd-4.3/dbgenent.mod
/usr/share/sgml/docbook/xml-dtd-4.3/dbhierx.mod
/usr/share/sgml/docbook/xml-dtd-4.3/dbnotnx.mod
/usr/share/sgml/docbook/xml-dtd-4.3/dbpoolx.mod
/usr/share/sgml/docbook/xml-dtd-4.3/docbookx.dtd
/usr/share/sgml/docbook/xml-dtd-4.3/ent
/usr/share/sgml/docbook/xml-dtd-4.3/ent/iso-amsa.ent
/usr/share/sgml/docbook/xml-dtd-4.3/ent/iso-amsb.ent
/usr/share/sgml/docbook/xml-dtd-4.3/ent/iso-amsc.ent
/usr/share/sgml/docbook/xml-dtd-4.3/ent/iso-amsn.ent
/usr/share/sgml/docbook/xml-dtd-4.3/ent/iso-amso.ent
/usr/share/sgml/docbook/xml-dtd-4.3/ent/iso-amsr.ent
/usr/share/sgml/docbook/xml-dtd-4.3/ent/iso-box.ent
/usr/share/sgml/docbook/xml-dtd-4.3/ent/iso-cyr1.ent
/usr/share/sgml/docbook/xml-dtd-4.3/ent/iso-cyr2.ent
/usr/share/sgml/docbook/xml-dtd-4.3/ent/iso-dia.ent
/usr/share/sgml/docbook/xml-dtd-4.3/ent/iso-grk1.ent
/usr/share/sgml/docbook/xml-dtd-4.3/ent/iso-grk2.ent
/usr/share/sgml/docbook/xml-dtd-4.3/ent/iso-grk3.ent
/usr/share/sgml/docbook/xml-dtd-4.3/ent/iso-grk4.ent
/usr/share/sgml/docbook/xml-dtd-4.3/ent/iso-lat1.ent
/usr/share/sgml/docbook/xml-dtd-4.3/ent/iso-lat2.ent
/usr/share/sgml/docbook/xml-dtd-4.3/ent/iso-num.ent
/usr/share/sgml/docbook/xml-dtd-4.3/ent/iso-pub.ent
/usr/share/sgml/docbook/xml-dtd-4.3/ent/iso-tech.ent
/usr/share/sgml/docbook/xml-dtd-4.3/htmltblx.mod
/usr/share/sgml/docbook/xml-dtd-4.3/soextblx.dtd
/usr/share/sgml/docbook/xml-dtd-4.4
/usr/share/sgml/docbook/xml-dtd-4.4/calstblx.dtd
/usr/share/sgml/docbook/xml-dtd-4.4/catalog
/usr/share/sgml/docbook/xml-dtd-4.4/dbcentx.mod
/usr/share/sgml/docbook/xml-dtd-4.4/dbgenent.mod
/usr/share/sgml/docbook/xml-dtd-4.4/dbhierx.mod
/usr/share/sgml/docbook/xml-dtd-4.4/dbnotnx.mod
/usr/share/sgml/docbook/xml-dtd-4.4/dbpoolx.mod
/usr/share/sgml/docbook/xml-dtd-4.4/docbookx.dtd
/usr/share/sgml/docbook/xml-dtd-4.4/ent
/usr/share/sgml/docbook/xml-dtd-4.4/ent/README
/usr/share/sgml/docbook/xml-dtd-4.4/ent/isoamsa.ent
/usr/share/sgml/docbook/xml-dtd-4.4/ent/isoamsb.ent
/usr/share/sgml/docbook/xml-dtd-4.4/ent/isoamsc.ent
/usr/share/sgml/docbook/xml-dtd-4.4/ent/isoamsn.ent
/usr/share/sgml/docbook/xml-dtd-4.4/ent/isoamso.ent
/usr/share/sgml/docbook/xml-dtd-4.4/ent/isoamsr.ent
/usr/share/sgml/docbook/xml-dtd-4.4/ent/isobox.ent
/usr/share/sgml/docbook/xml-dtd-4.4/ent/isocyr1.ent
/usr/share/sgml/docbook/xml-dtd-4.4/ent/isocyr2.ent
/usr/share/sgml/docbook/xml-dtd-4.4/ent/isodia.ent
/usr/share/sgml/docbook/xml-dtd-4.4/ent/isogrk1.ent
/usr/share/sgml/docbook/xml-dtd-4.4/ent/isogrk2.ent
/usr/share/sgml/docbook/xml-dtd-4.4/ent/isogrk3.ent
/usr/share/sgml/docbook/xml-dtd-4.4/ent/isogrk4.ent
/usr/share/sgml/docbook/xml-dtd-4.4/ent/isolat1.ent
/usr/share/sgml/docbook/xml-dtd-4.4/ent/isolat2.ent
/usr/share/sgml/docbook/xml-dtd-4.4/ent/isonum.ent
/usr/share/sgml/docbook/xml-dtd-4.4/ent/isopub.ent
/usr/share/sgml/docbook/xml-dtd-4.4/ent/isotech.ent
/usr/share/sgml/docbook/xml-dtd-4.4/htmltblx.mod
/usr/share/sgml/docbook/xml-dtd-4.4/soextblx.dtd
/usr/share/sgml/docbook/xml-dtd-4.5
/usr/share/sgml/docbook/xml-dtd-4.5/calstblx.dtd
/usr/share/sgml/docbook/xml-dtd-4.5/catalog
/usr/share/sgml/docbook/xml-dtd-4.5/dbcentx.mod
/usr/share/sgml/docbook/xml-dtd-4.5/dbgenent.mod
/usr/share/sgml/docbook/xml-dtd-4.5/dbhierx.mod
/usr/share/sgml/docbook/xml-dtd-4.5/dbnotnx.mod
/usr/share/sgml/docbook/xml-dtd-4.5/dbpoolx.mod
/usr/share/sgml/docbook/xml-dtd-4.5/docbookx.dtd
/usr/share/sgml/docbook/xml-dtd-4.5/ent
/usr/share/sgml/docbook/xml-dtd-4.5/ent/README
/usr/share/sgml/docbook/xml-dtd-4.5/ent/isoamsa.ent
/usr/share/sgml/docbook/xml-dtd-4.5/ent/isoamsb.ent
/usr/share/sgml/docbook/xml-dtd-4.5/ent/isoamsc.ent
/usr/share/sgml/docbook/xml-dtd-4.5/ent/isoamsn.ent
/usr/share/sgml/docbook/xml-dtd-4.5/ent/isoamso.ent
/usr/share/sgml/docbook/xml-dtd-4.5/ent/isoamsr.ent
/usr/share/sgml/docbook/xml-dtd-4.5/ent/isobox.ent
/usr/share/sgml/docbook/xml-dtd-4.5/ent/isocyr1.ent
/usr/share/sgml/docbook/xml-dtd-4.5/ent/isocyr2.ent
/usr/share/sgml/docbook/xml-dtd-4.5/ent/isodia.ent
/usr/share/sgml/docbook/xml-dtd-4.5/ent/isogrk1.ent
/usr/share/sgml/docbook/xml-dtd-4.5/ent/isogrk2.ent
/usr/share/sgml/docbook/xml-dtd-4.5/ent/isogrk3.ent
/usr/share/sgml/docbook/xml-dtd-4.5/ent/isogrk4.ent
/usr/share/sgml/docbook/xml-dtd-4.5/ent/isolat1.ent
/usr/share/sgml/docbook/xml-dtd-4.5/ent/isolat2.ent
/usr/share/sgml/docbook/xml-dtd-4.5/ent/isonum.ent
/usr/share/sgml/docbook/xml-dtd-4.5/ent/isopub.ent
/usr/share/sgml/docbook/xml-dtd-4.5/ent/isotech.ent
/usr/share/sgml/docbook/xml-dtd-4.5/htmltblx.mod
/usr/share/sgml/docbook/xml-dtd-4.5/soextblx.dtd
/usr/share/sgml/docbook/xsd-4.2
/usr/share/sgml/docbook/xsd-4.2/calstblx.xsd
/usr/share/sgml/docbook/xsd-4.2/dbhierx.xsd
/usr/share/sgml/docbook/xsd-4.2/dbnotnx.xsd
/usr/share/sgml/docbook/xsd-4.2/dbpoolx.xsd
/usr/share/sgml/docbook/xsd-4.2/docbook.xsd
/usr/share/sgml/docbook/xsd-4.3
/usr/share/sgml/docbook/xsd-4.3/calstblx.xsd
/usr/share/sgml/docbook/xsd-4.3/dbhierx.xsd
/usr/share/sgml/docbook/xsd-4.3/dbnotnx.xsd
/usr/share/sgml/docbook/xsd-4.3/dbpoolx.xsd
/usr/share/sgml/docbook/xsd-4.3/docbook.xsd
/usr/share/sgml/docbook/xsd-4.3/htmltblx.xsd
/usr/share/sgml/docbook/xsd-4.3/xml.xsd
/usr/share/sgml/docbook/xsd-4.4
/usr/share/sgml/docbook/xsd-4.4/calstblx.xsd
/usr/share/sgml/docbook/xsd-4.4/dbhierx.xsd
/usr/share/sgml/docbook/xsd-4.4/dbnotnx.xsd
/usr/share/sgml/docbook/xsd-4.4/dbpoolx.xsd
/usr/share/sgml/docbook/xsd-4.4/docbook.xsd
/usr/share/sgml/docbook/xsd-4.4/htmltblx.xsd
/usr/share/sgml/docbook/xsd-4.4/xml.xsd
/usr/share/sgml/docbook/xsd-4.5
/usr/share/sgml/docbook/xsd-4.5/calstblx.xsd
/usr/share/sgml/docbook/xsd-4.5/dbhierx.xsd
/usr/share/sgml/docbook/xsd-4.5/dbnotnx.xsd
/usr/share/sgml/docbook/xsd-4.5/dbpoolx.xsd
/usr/share/sgml/docbook/xsd-4.5/docbook.xsd
/usr/share/sgml/docbook/xsd-4.5/htmltblx.xsd
/usr/share/sgml/docbook/xsd-4.5/xml.xsd

References

docbook-dtds website

Summary

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