Hello,
I would appreciate someone's help with with displaying a simple pop up/notification message to a user after a LaunchDaemon has succesfully run. It has to be a Launchdaemon and not a Launchagent.
I have the plist and script in place and its works great but I now need to be shown how to display a message to an end user.
thanks
MacBook Pro with Retina display, OS X Yosemite (10.10.3)
Well that does work indeed - with both deletion of the app and a display message.
Thank you so much.
infmac wrote:
It has to be a Launchdaemon and not a Launchagent.
Hello infmac,
Why is that? Launch Agents are meant to be run in a logged-in user context. Launch Daemons are run in any context but may not have the necessary connections to a user environment to interact with it. If it works with a Launch Daemon, it is only because you are getting lucky that day. It should be a Launch Agent. If, for some reason, it absolutely, positively must be a Launch Daemon, then you will need an additional Launch Agent to interact with the user.
There was a small syntax omission in the osacript line. I made the following red text changes, and the dialog works on 10.11.6.
osascript <<-'EOF' &> /dev/null
The &> /dev/null is optional, and redirects the stdout/stderr message “button returned:OK, gave up:false” that is returned by the osascript dialog after the OK button is clicked, or it times out.
Hello etresoft,
Because as an LA I could not get it to work correctly i.e to delete the .app and have a display message to the end user. I have used the LD a good 20 times and it has worked every time. If you can make an LA work I am more than happy to give it a go?
What would be the purpose of me adding that optional bit of code?
many thanks
As you are not running this from the Terminal, then the optional part of my previous post would not be pertinent to the script. It only serves to prevent one seeing the text returned from the display dialog, either when the user clicks it, or it executes its own giving up time out.
It looks like with Hiroto's additional help, you have this working now.
I have just tested this on version 10.12 i.e Sierra.
At the start of the script we have the lines:
if [[ $Version -ge 12 ]]
then
launchctl unload /Library/LaunchDaemons/net.sierra.plist
rm -f /Library/LaunchDaemons/net.sierra.plist
rm -f /usr/local/bin/sierra.sh
exit 0
which should unload the plist and delete the script IF the version is 12.
I can confirm that neither the plist or script deleted. Can someone perhaps help me as to why that would be?
thanks
The script logic works fine on my macOS Sierra install. However, your original script had the following, which is missing in your above post.
Version=$(sw_vers | grep ProductVersion | tail -c 7 | cut -d . -f 2)
Without Version set, your conditional will always fail. The osascript will also fail because it is not yet syntactically correct.
You should remove one set of brackets in your if statement: if [ $version -ge 12 ].
You should update:
osascript <<'EOF'
to
osascript <<-'EOF'
Hi Viking,
I just hadn't included the line in my post but yes the script is showing as yours above above and it behaves the same way i.e on sierra it does not remove the plist and delete the script.
On a separate note I need to amend the script so that :
a) the "install macOS sierra.app" deletes upon download (so not having to wait for it to finish downloading)
b) it deletes the "install macOS sierra.app" IF it appears on the user's desktop so for example if a user copies it from a usb key to their desktop.
Many thanks again.
Here is the current script:
#!/bin/bash
Version=$(sw_vers | grep ProductVersion | tail -c 7 | cut -d . -f 2)
if [ $Version -ge 12 ]
then
launchctl unload /Library/LaunchDaemons/net.sierra.plist
rm -f /Library/LaunchDaemons/net.sierra.plist
rm -f /usr/local/bin/sierra.sh
exit 0
else
rm -rf /Applications/Install\ macOS\ Sierra.app/
# get uid who is running an instance of /System/Library/CoreServices/SystemUIServer.app/Contents/MacOS/SystemUIServer
uid=$(ps -ax -o uid,command | awk '/MacOS\/SystemUIServer/ {print $1}' | head -n1)
# if no such uid is found, exit
[[ -n $uid ]] || exit
# execute osascript by user of the uid
sudo -u "#$uid" osascript <<-'EOF'
tell application "System Events"
activate
display dialog "macOS Sierra is not allowed on computers at this time." with title "Technology Notice" buttons {"OK"} default button 1 giving up after 30
end tell
EOF
fi
A display message to a User.
