Problem in launching a terminal command with a Qt Button
 

hello everybody,

I've created a QT interface with some buttons and labels, and i want to launch a terminal command with one of these buttons,but the command maust starts with "sudo",unfortunately it didn't work because it wants root password and i can't enter it even in the Button cammand....

plz help mz

thnx

Did you try asking this question on their mailing list ?

http://lists.trolltech.com/mailman/listinfo/qt-interest

You could use one of the gui frontends to sudo. Unfortunately the only ones I know of are:

- gksudo - maybe not good for you since you are using qt, not gtk
- kdesudo - qt, but maybe not good for you since it depends on kde libs

Evo2.

This is not really a QT problem, but how the script that you are trying to run works. Possibly a work around is to write a wrapper script which will receive a password and then call the script that you want to run, avoiding the interactive demands of sudo. If you gave some more information I might be able to give you a better answer. What does the script you want to run do, why do you need to use sudo?

thank you for your reply,actually i want to run an IPTABLES command which needs "sudo" as prefix,in terminal i write and the button command runs correctly however without "sudo" when i click on the button it gave me "Permission denied you must be root", and when i write in the button code it gave me you didn't write the root password.

i hope you understand now my problem :scratch:

Flicking through the man pages for sudo. It looks that you can use the -A option to get a GUI to capture and then return the password to sudo, this is not something that I have done the man pages says that you will need to set up the SUDO_ASKPASS setting but that may be worth playing around with.

Edit /etc/sudoers to contain something like...