libnotify

Send desktop notifications from the command line to a notification daemon.

brewmacoslinux

Try with needOr install directly

About

Library that sends desktop notifications to a notification daemon

notify-send

show a simple popup notification on screen$ notify-send 'Hello' 'This is a notification'

send a warning notification with icon$ notify-send -u critical 'Warning' 'Disk space low' -i dialog-warning

display notification that expires after 5 seconds$ notify-send 'Update Complete' 'Installation finished' -t 5000

send notification from a shell script or cron job$ notify-send 'Backup Done' 'Your files have been synced'

show notification with custom category and urgency level$ notify-send -c 'im.received' -u normal 'New Message' 'You have a message'