Hi,
In Linux Mint 17, I had a little script that I executed at startup via an entry in rc.local. Its purpose is to wait for my generic game controller to be plugged in, which it then maps to xboxdrv and deletes everything but the fake xbox-Controller from the jsX device list. If everything goes well, "notify-send" should pop a notification. Since it messes with /dev/input, the script needs to be root.
In Linux Mint 18, this still kinda works, but only after moving the script call from rc.local to a crontab @reboot entry - otherwise, my system would not boot at all, which was funny to even find out, because boot decided to just stop while the last line displayed was "Starting ntp service" *____*
Anyways, now via crontab, while not having altered the script itself, even with a successful controller configuration, "notify-send" does not seem to work anymore?
I realize it's basically a non-issue buuuut in any case any hinty hints much appreciated
rc.local issues / workaround doesn't allow notify-send?
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rc.local issues / workaround doesn't allow notify-send?
Last edited by LockBot on Wed Dec 28, 2022 7:16 am, edited 1 time in total.
Reason: Topic automatically closed 6 months after creation. New replies are no longer allowed.
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- Pilosopong Tasyo
- Level 6
- Posts: 1432
- Joined: Mon Jun 22, 2009 3:26 am
- Location: Philippines
Re: rc.local issues / workaround doesn't allow notify-send?
Does the script run via root's crontab
IMSMR, when I needed to run a script as root and have to show a message to a non-root logged-in user via notify-send, I tell the system to run notify-send as the local user (for the sake of example, let's use your username in this forum) as well as set the DISPLAY environment variable (notify-send requires this to be defined). Something like:
Another approach (from what I read years ago) is to use DBUS to display 'notify-send' messages on screen regardless what user is logged into the GUI. I never pursued this approach, however. You'll have to do some research.
sudo crontab -e
or local crontab crontab -e
? Educated guess is the former since your script requires elevated privileges to run successfully.IMSMR, when I needed to run a script as root and have to show a message to a non-root logged-in user via notify-send, I tell the system to run notify-send as the local user (for the sake of example, let's use your username in this forum) as well as set the DISPLAY environment variable (notify-send requires this to be defined). Something like:
Code: Select all
sudo -u luno DISPLAY=:0.0 /usr/bin/notify-send "title" "description blah blah blah..."
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