Re: Info about active window

[Shaun McCance <shaunm gnome org>]

On Thu, 2009-08-13 at 16:39 -0300, Naira Kaieski wrote:
> Hi,
> 
> I want monitoring the users that login em a workstation with Ubuntu 9.04.
> I want monitor this with SNMP and a external script. This monitoring 
> will be remote.
> 
> I want to monitor only those applications that are being used, 
> especially the active application.
> 
> By gnome terminal i can get this information with:
> WINDOWID=$(/usr/bin/xprop -root | grep "_NET_ACTIVE_WINDOW(WINDOW)"| cut 
> -d ' ' -f 5)
> /usr/bin/xwininfo -id $WINDOWID | awk 'BEGIN {FS="\""}/xwininfo: Window 
> id/{print $2}' | sed 's/-[^-]*$//g'
> 
> But i want do a remote monitoring and the above commands don work, i 
> have a message:
> /usr/bin/xprop:  unable to open display ''
> /usr/bin/xwininfo:  unable to open display ''

Use the -display option for xprop and xwininfo?

--
Shaun