Andreas Ericsson a écrit : > Francis Dube wrote: >> Hi, >> >> I'm using Nagios nagios-2.12_1 with NRPE nrpe2-2.11_1 to check if my >> display is working properly. I'm taking a screenshot every 4 minutes >> and then i compare it with the last screenshot. My script is working >> very well when it's ran locally but when i'm calling it from the >> server the screenshot isn't taken. > > Are you running it as the user NRPE is running as when you're taking the > screenshot locally? > >> I tought it was a right problem on the Xorg server, but i tried with >> "xhost +" (which do "access control disabled, clients can connect >> from any host"). Both ways i run the script with the user 'nagios'. >> The rest of the commands in the scripts work fine, the only problem >> is with the screenshot which is taken using this command : import >> -display :0 -window root /afolder/myscreenshot.png >> >> I also tried to run the script over shh (ssh [EMAIL PROTECTED] >> /usr/local/libexec/nagios/check_news) and this method is working as >> fine as locally. So i think there's something wrong with the way NRPE >> execute my script. >> >> Anyone got an idea of the reason why the screenshot isn't working >> when i run the script with NRPE ? >> > > The only thing I can imagine is access problems. By default, only root > can snoop on other user's X sessions, so for that to work for nrpe the > X session ought to be owned by the nrpe user. I'm not well-versed in X > enough to give a definite answer though, so don't trust my word on it. > Yes the screenshot is taken with the user 'nagios' which is my NRPE user. 'xhost +' disable access control for X, so i dont think it's the problem.
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