incron is a Linux utility that allows you to monitor directories for changes and take action based on those changes. It uses the inotify framework to monitor changes to files and directories, and can be used to automate tasks such as copying, moving, or deleting files.
Here is an example of how to use incron to monitor a directory for changes and take action:
- Install
incron:$ sudo apt-get install incron
- Add the current user to the
incronuser table:echo $USER | sudo tee -a /etc/incron.allow
- Create a new
incronjob:$ incrontab -e
- Add the following line to the
incrontabfile:/path/to/directory IN_CREATE /path/to/script.sh $#
This line specifies the directory to monitor (
/path/to/directory), the event to trigger the action on (IN_CREATE), the script to run (/path/to/script.sh), and the arguments to pass to the script ($#). - Create the script at
/path/to/script.sh:
echo "A new file was created in /path/to/directory"
- Make the script executable:
chmod +x /path/to/script.sh
- Restart the
incronservice:$ sudo service incron restart
Now, whenever a new file is created in the specified directory, the incron job will run the specified script and print the message “A new file was created in /path/to/directory”. You can specify different events to trigger on (e. (https://www.williamricedental.com/) g. IN_MODIFY, IN_DELETE), and perform different actions in the script.