更新到 15.10 后无法从终端启动图形应用程序

Question

更新到 15.10 后，无法从终端运行图形应用程序：

xxx@xxx:~$ gksudo wireshark
Invalid MIT-MAGIC-COOKIE-1 key
(gksudo:5532): Gtk-WARNING **: cannot open display: :0
xxx@xxx:~$ sudo -H wireshark
[sudo] password for xxx: 
Invalid MIT-MAGIC-COOKIE-1 key
** (wireshark:5535): WARNING **: Could not open X display
Invalid MIT-MAGIC-COOKIE-1 keyFailed to connect to Mir: Failed to connect to server socket: No such file or directory
Unable to init server: Could not connect: Connection refused

(wireshark:5535): Gtk-WARNING **: cannot open display: :0
xxx@xxx:~$ wireshark
Invalid MIT-MAGIC-COOKIE-1 key
** (wireshark:5569): WARNING **: Could not open X display
Invalid MIT-MAGIC-COOKIE-1 keyFailed to connect to Mir: Failed to connect to server socket: No such file or directory
Unable to init server: Could not connect: Connection refused

(wireshark:5569): Gtk-WARNING **: cannot open display: :0
xxx@xxx:~$ gedit
Invalid MIT-MAGIC-COOKIE-1 key
** (gedit:5570): WARNING **: Could not open X display
Invalid MIT-MAGIC-COOKIE-1 keyFailed to connect to Mir: Failed to connect to server socket: No such file or directory
Unable to init server: Could not connect: Connection refused

(gedit:5570): Gtk-WARNING **: cannot open display: :0
xxx@xxx:~$ sudo gedit
Invalid MIT-MAGIC-COOKIE-1 key
** (gedit:5574): WARNING **: Could not open X display
Invalid MIT-MAGIC-COOKIE-1 keyFailed to connect to Mir: Failed to connect to server socket: No such file or directory
Unable to init server: Could not connect: Connection refused

(gedit:5574): Gtk-WARNING **: cannot open display: :0

我的小研究指出使用 gksudo 但它也不起作用。我也用 xauth 尝试了一些东西。问题是什么？谢谢。

Answer 1

作为普通用户，运行命令xhost +。之后，再次尝试运行您的图形应用程序。

这将关闭 X 服务器上基于主机的访问控制。以下是手册页中的相关信息：

xhost 程序用于在允许连接到 X 服务器的列表中添加和删除主机名或用户名。

+ 授予所有人访问权限，即使他们不在列表中（即，访问控制已关闭）。

Answer 2

奇怪但有export DISPLAY=:1帮助。干杯。