How To Install incron on Ubuntu 22.04
Introduction
In this tutorial we learn how to install incron on Ubuntu 22.04.
What is incron
incron is:
incron is an “inotify cron” system. It works like the regular cron but is driven by filesystem events instead of time events. This package provides two programs, a daemon called “incrond” (analogous to crond) and a table manipulator “incrontab” (like “crontab”).
incron uses the Linux Kernel inotify syscalls.
like cron, each user can edit its own incron tables.
incron can be used to :
- notifying programs (e.g. server daemons) about changes in configuration
- guarding changes in critical files (with their eventual recovery)
- file usage monitoring, statistics
- automatic on-crash cleanup
- automatic on-change backup or versioning
- new mail notification (for maildir)
- server upload notification
- installation management (outside packaging systems)
- … and many others
There are three methods to install incron on Ubuntu 22.04. We can use apt-get, apt and aptitude. In the following sections we will describe each method. You can choose one of them.
Install incron Using apt-get
Update apt database with apt-get using the following command.
sudo apt-get update
After updating apt database, We can install incron using apt-get by running the following command:
sudo apt-get -y install incron
Install incron Using apt
Update apt database with apt using the following command.
sudo apt update
After updating apt database, We can install incron using apt by running the following command:
sudo apt -y install incron
Install incron Using aptitude
If you want to follow this method, you might need to install aptitude first since aptitude is usually not installed by default on Ubuntu. Update apt database with aptitude using the following command.
sudo aptitude update
After updating apt database, We can install incron using aptitude by running the following command:
sudo aptitude -y install incron
How To Uninstall incron on Ubuntu 22.04
To uninstall only the incron package we can use the following command:
sudo apt-get remove incron
Uninstall incron And Its Dependencies
To uninstall incron and its dependencies that are no longer needed by Ubuntu 22.04, we can use the command below:
sudo apt-get -y autoremove incron
Remove incron Configurations and Data
To remove incron configuration and data from Ubuntu 22.04 we can use the following command:
sudo apt-get -y purge incron
Remove incron configuration, data, and all of its dependencies
We can use the following command to remove incron configurations, data and all of its dependencies, we can use the following command:
sudo apt-get -y autoremove --purge incron
References
Summary
In this tutorial we learn how to install incron package on Ubuntu 22.04 using different package management tools: apt, apt-get and aptitude.
