ethereal装上后不能运行(代码),谢谢

白水

装的是RPM包,
安装过程没问题
装上后运行显示如下错误
请指点
#ethereal
ethereal: Symbol `pcap_version' has different size in shared object, consider re-linking
Xlib: connection to ":0.0" refused by server
Xlib: No protocol specified

Gtk-WARNING **: cannot open display: :0.0