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I have a custom script and I want to send a desktop notification (the one that appears in the top right corner of the screen) with a custom message. How do I do that?

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3 Answers 3

up vote 42 down vote accepted

There is bunch of other cool features with notify-send

We can run a command and make it display in the notification:

notify-send <title> <`command`>
notify-send Date "`date`"
notify-send Disk "`df / -H`"

We can use icons with the notifications

notify-send -i <icon> <Message>
notify-send -i face-wink "Hello! January"

Really annoying pop up

notify-send  -t 0 "Bringing down the system"


notify-send <title> <message>
notify-send "who am i" "I am January"

For more options check here

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Thank you. Where can we get a list of icons, e.g. the face-wink that you used? –  Paddy Landau Sep 24 '12 at 10:56
check out my answer here –  devav2 Sep 24 '12 at 13:07
Thank you! I now have an extra set of useful knowledge. –  Paddy Landau Sep 24 '12 at 16:37

I stumbled upon that one by chance. Answer: use the program notify-send:

notify-send "Hello world!"
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Just to add to the other answers, when running the command locally from cron, I use

DISPLAY=:0.0 /usr/bin/notify-send "TITLE" "MESSAGE"
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