错误信息如上。改为安装wireshark-gtk即可
执行
sudo dpkg-reconfigure wireshark-common
sudo gpasswd -a $USER wireshark
然后重登陆即可
wireshark错误QT: XKEYBOARD extension not present on the X server 和/usr/bin/dumpcap permission denied
原文：http://www.cnblogs.com/guigukuangji/p/7123603.html