How To Install ddclient on CentOS 8
Introduction
In this tutorial we learn how to install ddclient on CentOS 8.
What is ddclient
ddclient is a Perl client used to update dynamic DNS entries for accounts on many different dynamic DNS services. Features include daemon, manual and automatic updates, static and dynamic updates, optimized updates for multiple addresses, MX, wildcards, abuse avoidance, retrying the failed updates and sending update status to syslog and through e-mail.
We can use yum or dnf to install ddclient on CentOS 8. In this tutorial we discuss both methods but you only need to choose one of method to install ddclient.
Install ddclient 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 ddclient using dnf by running the following command:
sudo dnf -y install ddclient
Install ddclient 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 ddclient using yum by running the following command:
sudo yum -y install ddclient
How To Uninstall ddclient on CentOS 8
To uninstall only the ddclient package we can use the following command:
sudo dnf remove ddclient
ddclient Package Contents on CentOS 8
/etc/ddclient.conf
/etc/rwtab.d/ddclient
/etc/sysconfig/ddclient
/usr/lib/NetworkManager/dispatcher.d/50-ddclient
/usr/lib/systemd/system/ddclient.service
/usr/lib/tmpfiles.d/ddclient.conf
/usr/sbin/ddclient
/usr/share/doc/ddclient
/usr/share/doc/ddclient/ChangeLog
/usr/share/doc/ddclient/Changelog.old
/usr/share/doc/ddclient/README.cisco
/usr/share/doc/ddclient/README.md
/usr/share/doc/ddclient/README.ssl
/usr/share/doc/ddclient/RELEASENOTE
/usr/share/doc/ddclient/sample-ddclient-wrapper.sh
/usr/share/doc/ddclient/sample-etc_cron.d_ddclient
/usr/share/doc/ddclient/sample-etc_dhclient-exit-hooks
/usr/share/doc/ddclient/sample-etc_dhcpc_dhcpcd-eth0.exe
/usr/share/doc/ddclient/sample-etc_ppp_ip-up.local
/usr/share/licenses/ddclient
/usr/share/licenses/ddclient/COPYING
/usr/share/licenses/ddclient/COPYRIGHT
/var/cache/ddclient
/var/cache/ddclient/ddclient.cache
/var/run/ddclient
References
Summary
In this tutorial we learn how to install ddclient on CentOS 8 using yum and dnf.
