gconftool-2 --direct \\ --config-source xml:readwrite:/etc/gconf/gconf.xml.mandatory \\ --type string \\ --set /system/http_proxy/host wwwproxy.xyz.com
gconftool-2 --direct \\ --config-source xml:readwrite:/etc/gconf/gconf.xml.mandatory \\ --type string \\ --set /system/http_proxy/host wwwproxy.xyz.com