How To Install radvd on CentOS 8

radvd is A Router Advertisement daemon

Introduction

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

What is radvd

radvd is the router advertisement daemon for IPv6. It listens to router solicitations and sends router advertisements as described in “Neighbor Discovery for IP Version 6 (IPv6)” (RFC 2461). With these advertisements hosts can automatically configure their addresses and some other parameters. They also can choose a default router based on these advertisements. Install radvd if you are setting up IPv6 network and/or Mobile IPv6 services.

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

Install radvd 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 radvd using dnf by running the following command:

sudo dnf -y install radvd

Install radvd 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 radvd using yum by running the following command:

sudo yum -y install radvd

How To Uninstall radvd on CentOS 8

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

sudo dnf remove radvd

radvd Package Contents on CentOS 8

/etc/radvd.conf
/etc/sysconfig/radvd
/run/radvd
/usr/lib/.build-id
/usr/lib/.build-id/4d
/usr/lib/.build-id/4d/fa85444bcb9b1463c589acdb4f5e80572d0703
/usr/lib/.build-id/9b
/usr/lib/.build-id/9b/3a8aca526a6ab010930c5b3f8d406ce0d0c679
/usr/lib/systemd/system/radvd.service
/usr/lib/tmpfiles.d/radvd.conf
/usr/sbin/radvd
/usr/sbin/radvdump
/usr/share/doc/radvd
/usr/share/doc/radvd/CHANGES
/usr/share/doc/radvd/COPYRIGHT
/usr/share/doc/radvd/INTRO.html
/usr/share/doc/radvd/README
/usr/share/doc/radvd/TODO
/usr/share/doc/radvd/radvd.conf.example
/usr/share/man/man5/radvd.conf.5.gz
/usr/share/man/man8/radvd.8.gz
/usr/share/man/man8/radvdump.8.gz

References

Summary

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