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Gnome

I've compiled and install an application called gpass on CentOS v5.6. But, when I run the application it does not accept any password from $HOME/.gpass and displays the following error on screen:

libglade-WARNING **: could not find signal handler 'gpass_authentication_on_response'

How do I fix this problem and use the gpass software?
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Linux: Convert a PDF File To an Image

Q. A friend showed me how to extract images from a pdf file using pdfimages utility. But I'd like to convert my PDF file to image file. How do I convert a PDF to an image file using a command line option?
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Linux Gnome Numeric Keypad Disabled [ Mouse keys ]

Q. I'm using Gnome under Ubuntu Linux and my numeric keypad is disabled. Pressing numlock key does not work any more. I'm not able to use numbers or special symbols from numeric keypad. Reboot does not help or using different keyboard does not help. However, numlock only works if I switch to text console by pressing CTRL+ALT+F1. Now, I'm dam sure this is related to X.org or Gnome. How do I fix this problem?
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Linux Create a Custom Gnome Login Desktop Screen

Q. I'd like to keep same login screen for my school Linux desktop system lab. How do I create a custom gnome login screen or menu under CentOS or Ubuntu Linux desktop systems?
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Linux Disable X Window System

Q. How do I disable X Window system on boot? I just need text based interface and there is no need to waste resources on X window system. How do I disable X Window under CentOS / RHEL / Red Hat / Fedora Linux?
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Q. I'm using Ubuntu Linux and my Gnome network manger always connects to wrong default WAP / AP after login ( boot ). How do I fix this problem?
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Q. I've a central Linux test server. It has GDM based GUI login screen. How do I remove both shutdown and reboot server options from the login screen?
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