How To Install cronie on CentOS 8
Introduction
In this tutorial we learn how to install cronie on CentOS 8.
What is cronie
Cronie contains the standard UNIX daemon crond that runs specified programs at scheduled times and related tools. It is a fork of the original vixie-cron and has security and configuration enhancements like the ability to use pam and SELinux.
We can use yum or dnf to install cronie on CentOS 8. In this tutorial we discuss both methods but you only need to choose one of method to install cronie.
Install cronie 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 using dnf by running the following command:
sudo dnf -y install cronie
Install cronie 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 using yum by running the following command:
sudo yum -y install cronie
How To Uninstall cronie on CentOS 8
To uninstall only the cronie package we can use the following command:
sudo dnf remove cronie
cronie Package Contents on CentOS 8
/etc/cron.d
/etc/cron.d/0hourly
/etc/cron.deny
/etc/pam.d/crond
/etc/sysconfig/crond
/lib/systemd/system/crond.service
/usr/bin/cronnext
/usr/bin/crontab
/usr/lib/.build-id
/usr/lib/.build-id/20
/usr/lib/.build-id/20/75713ea7f508632d8eb2af3c51ec59acc4aa52
/usr/lib/.build-id/32
/usr/lib/.build-id/32/811aea404298dee14ad8fd0b7b34cc9c001dab
/usr/lib/.build-id/f8
/usr/lib/.build-id/f8/e879a884df9d2370d9d1c14f2d2ccfa24fcf79
/usr/sbin/crond
/usr/share/doc/cronie
/usr/share/doc/cronie/AUTHORS
/usr/share/doc/cronie/ChangeLog
/usr/share/doc/cronie/README
/usr/share/licenses/cronie
/usr/share/licenses/cronie/COPYING
/usr/share/man/man1/cronnext.1.gz
/usr/share/man/man1/crontab.1.gz
/usr/share/man/man5/crontab.5.gz
/usr/share/man/man8/cron.8.gz
/usr/share/man/man8/crond.8.gz
/var/spool/cron
References
Summary
In this tutorial we learn how to install cronie on CentOS 8 using yum and dnf.