How To Install xhtml1-dtds on CentOS 8
Introduction
In this tutorial we learn how to install xhtml1-dtds on CentOS 8.
What is xhtml1-dtds
This provides the DTDs of the Second Edition of XHTML 1.0, a reformulation of HTML 4 as an XML 1.0 application, and three DTDs corresponding to the ones defined by HTML 4. The semantics of the elements and their attributes are defined in the W3C Recommendation for HTML 4. These semantics provide the foundation for future extensibility of XHTML.
We can use yum or dnf to install xhtml1-dtds on CentOS 8. In this tutorial we discuss both methods but you only need to choose one of method to install xhtml1-dtds.
Install xhtml1-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 xhtml1-dtds using dnf by running the following command:
sudo dnf -y install xhtml1-dtds
Install xhtml1-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 xhtml1-dtds using yum by running the following command:
sudo yum -y install xhtml1-dtds
How To Uninstall xhtml1-dtds on CentOS 8
To uninstall only the xhtml1-dtds package we can use the following command:
sudo dnf remove xhtml1-dtds
xhtml1-dtds Package Contents on CentOS 8
/etc/sgml/xhtml1-dtds-1.0-20020801.13.el8.4.soc
/etc/sgml/xhtml1-dtds.soc
/etc/xml/xhtml1-dtds-1.0-20020801.13.el8.4.xml
/etc/xml/xhtml1-dtds.xml
/usr/share/xml/xhtml
/usr/share/xml/xhtml/1.0
/usr/share/xml/xhtml/1.0/catalog.xml
/usr/share/xml/xhtml/1.0/xhtml-lat1.ent
/usr/share/xml/xhtml/1.0/xhtml-special.ent
/usr/share/xml/xhtml/1.0/xhtml-symbol.ent
/usr/share/xml/xhtml/1.0/xhtml.soc
/usr/share/xml/xhtml/1.0/xhtml1-frameset.dtd
/usr/share/xml/xhtml/1.0/xhtml1-strict.dtd
/usr/share/xml/xhtml/1.0/xhtml1-transitional.dtd
/usr/share/xml/xhtml/1.0/xhtml1.dcl
References
Summary
In this tutorial we learn how to install xhtml1-dtds on CentOS 8 using yum and dnf.