How To Install mod_http2 on CentOS 8

mod_http2 is module implementing HTTP/2 for Apache 2

Introduction

In this tutorial we learn how to install mod_http2 on CentOS 8.

What is `mod_http2`

The mod_h2 Apache httpd module implements the HTTP2 protocol (h2+h2c) on top of libnghttp2 for httpd 2.4 servers.

We can use yum or dnf to install mod_http2 on CentOS 8. In this tutorial we discuss both methods but you only need to choose one of method to install mod_http2.

Install mod_http2 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 mod_http2 using dnf by running the following command:

sudo dnf -y install mod_http2

Install mod_http2 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 mod_http2 using yum by running the following command:

sudo yum -y install mod_http2

How To Uninstall mod_http2 on CentOS 8

To uninstall only the mod_http2 package we can use the following command:

sudo dnf remove mod_http2

mod_http2 Package Contents on CentOS 8

/etc/httpd/conf.modules.d/10-h2.conf
/etc/httpd/conf.modules.d/10-proxy_h2.conf
/usr/lib/.build-id
/usr/lib/.build-id/00
/usr/lib/.build-id/00/681b6f4dedb53ac4cc99b70eb3ea09ca8bfe7c
/usr/lib/.build-id/37
/usr/lib/.build-id/37/7ffc2fac889a5e30342ee5b791e24a1c4a679d
/usr/lib64/httpd/modules/mod_http2.so
/usr/lib64/httpd/modules/mod_proxy_http2.so
/usr/share/doc/mod_http2
/usr/share/doc/mod_http2/AUTHORS
/usr/share/doc/mod_http2/ChangeLog
/usr/share/doc/mod_http2/README
/usr/share/doc/mod_http2/README.md
/usr/share/licenses/mod_http2
/usr/share/licenses/mod_http2/LICENSE

References

mod_http2 website

Summary

In this tutorial we learn how to install mod_http2 on CentOS 8 using yum and dnf.