How To Install cronie-anacron on CentOS 8
Introduction
In this tutorial we learn how to install cronie-anacron on CentOS 8.
What is cronie-anacron
Anacron is part of cronie that is used for running jobs with regular periodicity which do not have exact time of day of execution. The default settings of anacron execute the daily, weekly, and monthly jobs, but anacron allows setting arbitrary periodicity of jobs. Using anacron allows running the periodic jobs even if the system is often powered off and it also allows randomizing the time of the job execution for better utilization of resources shared among multiple systems.
We can use yum or dnf to install cronie-anacron on CentOS 8. In this tutorial we discuss both methods but you only need to choose one of method to install cronie-anacron.
Install cronie-anacron 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 cronie-anacron using dnf by running the following command:
sudo dnf -y install cronie-anacron
Install cronie-anacron 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 cronie-anacron using yum by running the following command:
sudo yum -y install cronie-anacron
How To Uninstall cronie-anacron on CentOS 8
To uninstall only the cronie-anacron package we can use the following command:
sudo dnf remove cronie-anacron
cronie-anacron Package Contents on CentOS 8
/etc/anacrontab
/etc/cron.hourly/0anacron
/usr/lib/.build-id
/usr/lib/.build-id/da
/usr/lib/.build-id/da/bb709b1564cfe426280cc097949953dc10bd8e
/usr/sbin/anacron
/usr/share/man/man5/anacrontab.5.gz
/usr/share/man/man8/anacron.8.gz
/var/spool/anacron
/var/spool/anacron/cron.daily
/var/spool/anacron/cron.monthly
/var/spool/anacron/cron.weekly
References
Summary
In this tutorial we learn how to install cronie-anacron on CentOS 8 using yum and dnf.