How To Install chrony on Fedora 34
Introduction
In this tutorial we learn how to install chrony on Fedora 34.
What is chrony
chrony is a versatile implementation of the Network Time Protocol (NTP). It can synchronise the system clock with NTP servers, reference clocks (e.g. GPS receiver), and manual input using wristwatch and keyboard. It can also operate as an NTPv4 (RFC 5905) server and peer to provide a time service to other computers in the network.
We can use yum or dnf to install chrony on Fedora 34. In this tutorial we discuss both methods but you only need to choose one of method to install chrony.
Install chrony on Fedora 34 Using dnf
Update yum database with dnf using the following command.
sudo dnf makecache --refresh
The output should look something like this:
Fedora 34 - x86_64 20 kB/s | 6.6 kB 00:00
Fedora 34 openh264 (From Cisco) - x86_64 1.4 kB/s | 989 B 00:00
Fedora Modular 34 - x86_64 68 kB/s | 6.5 kB 00:00
Fedora 34 - x86_64 - Updates 3.5 kB/s | 6.2 kB 00:01
Fedora Modular 34 - x86_64 - Updates 17 kB/s | 5.9 kB 00:00
Metadata cache created.
After updating yum database, We can install chrony using dnf by running the following command:
sudo dnf -y install chrony
Install chrony on Fedora 34 Using yum
Update yum database with yum using the following command.
sudo yum makecache --refresh
The output should look something like this:
Fedora 34 - x86_64 20 kB/s | 6.6 kB 00:00
Fedora 34 openh264 (From Cisco) - x86_64 1.4 kB/s | 989 B 00:00
Fedora Modular 34 - x86_64 68 kB/s | 6.5 kB 00:00
Fedora 34 - x86_64 - Updates 3.5 kB/s | 6.2 kB 00:01
Fedora Modular 34 - x86_64 - Updates 17 kB/s | 5.9 kB 00:00
Metadata cache created.
After updating yum database, We can install chrony using yum by running the following command:
sudo yum -y install chrony
How To Uninstall chrony on Fedora 34
To uninstall only the chrony package we can use the following command:
sudo dnf remove chrony
chrony Package Contents on Fedora 34
/etc/chrony.conf
/etc/chrony.keys
/etc/dhcp/dhclient.d/chrony.sh
/etc/logrotate.d/chrony
/etc/sysconfig/chronyd
/usr/bin/chronyc
/usr/lib/.build-id
/usr/lib/.build-id/3b
/usr/lib/.build-id/3b/a1054f03c6fee30ff819e85a31c2cc3e0e0360
/usr/lib/.build-id/ca
/usr/lib/.build-id/ca/855d9174ea76dd5918e3ccdcfa2807edb67351
/usr/lib/NetworkManager
/usr/lib/NetworkManager/dispatcher.d
/usr/lib/NetworkManager/dispatcher.d/20-chrony-dhcp
/usr/lib/NetworkManager/dispatcher.d/20-chrony-onoffline
/usr/lib/systemd/ntp-units.d/50-chronyd.list
/usr/lib/systemd/system/chrony-wait.service
/usr/lib/systemd/system/chronyd.service
/usr/sbin/chronyd
/usr/share/doc/chrony
/usr/share/doc/chrony/FAQ
/usr/share/doc/chrony/NEWS
/usr/share/doc/chrony/README
/usr/share/licenses/chrony
/usr/share/licenses/chrony/COPYING
/usr/share/man/man1/chronyc.1.gz
/usr/share/man/man5/chrony.conf.5.gz
/usr/share/man/man8/chronyd.8.gz
/var/lib/chrony
/var/lib/chrony/drift
/var/lib/chrony/rtc
/var/log/chrony
/etc/chrony.conf
/etc/chrony.keys
/etc/dhcp/dhclient.d/chrony.sh
/etc/logrotate.d/chrony
/etc/sysconfig/chronyd
/usr/bin/chronyc
/usr/lib/.build-id
/usr/lib/.build-id/6b
/usr/lib/.build-id/6b/63a3f5e023af3432c0a0f78d8b38929be2e51d
/usr/lib/.build-id/77
/usr/lib/.build-id/77/596b89cbe3d60ec1d29ecd4b9cfc265bddec4d
/usr/lib/NetworkManager
/usr/lib/NetworkManager/dispatcher.d
/usr/lib/NetworkManager/dispatcher.d/20-chrony-dhcp
/usr/lib/NetworkManager/dispatcher.d/20-chrony-onoffline
/usr/lib/systemd/ntp-units.d/50-chronyd.list
/usr/lib/systemd/system/chrony-wait.service
/usr/lib/systemd/system/chronyd.service
/usr/sbin/chronyd
/usr/share/doc/chrony
/usr/share/doc/chrony/FAQ
/usr/share/doc/chrony/NEWS
/usr/share/doc/chrony/README
/usr/share/licenses/chrony
/usr/share/licenses/chrony/COPYING
/usr/share/man/man1/chronyc.1.gz
/usr/share/man/man5/chrony.conf.5.gz
/usr/share/man/man8/chronyd.8.gz
/var/lib/chrony
/var/lib/chrony/drift
/var/lib/chrony/rtc
/var/log/chrony
References
Summary
In this tutorial we learn how to install chrony on Fedora 34 using yum and dnf.