How To Install incron on CentOS 8
Introduction
In this tutorial we learn how to install incron on CentOS 8.
What is incron
This program is an “inotify cron” system. It consists of a daemon and a table manipulator. You can use it a similar way as the regular cron. The difference is that the inotify cron handles filesystem events rather than time periods.
We can use yum or dnf to install incron on CentOS 8. In this tutorial we discuss both methods but you only need to choose one of method to install incron.
Install incron 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 incron using dnf by running the following command:
sudo dnf -y install incron
Install incron 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 incron using yum by running the following command:
sudo yum -y install incron
How To Uninstall incron on CentOS 8
To uninstall only the incron package we can use the following command:
sudo dnf remove incron
incron Package Contents on CentOS 8
/etc/incron.conf
/etc/incron.d
/usr/bin/incrontab
/usr/lib/.build-id
/usr/lib/.build-id/30
/usr/lib/.build-id/30/a7375162400be911a4c722b481745ef4c630fb
/usr/lib/.build-id/e8
/usr/lib/.build-id/e8/bf77891d086280905d7afbf116ed398caa157b
/usr/lib/systemd/system/incrond.service
/usr/sbin/incrond
/usr/share/doc/incron
/usr/share/doc/incron/CHANGELOG
/usr/share/doc/incron/README
/usr/share/doc/incron/TODO
/usr/share/licenses/incron
/usr/share/licenses/incron/COPYING
/usr/share/licenses/incron/LICENSE-GPL
/usr/share/man/man1/incrontab.1.gz
/usr/share/man/man5/incron.conf.5.gz
/usr/share/man/man5/incrontab.5.gz
/usr/share/man/man8/incrond.8.gz
/var/spool/incron
References
Summary
In this tutorial we learn how to install incron on CentOS 8 using yum and dnf.