针对您遇到的“xset: unable to open display ""”错误,这个问题通常与X Window系统的环境配置有关。下面我将根据提供的提示,分点详细解答,并尽可能包含相关的说明和代码片段(如果适用)。 1. 确认用户环境变量DISPLAY是否设置正确 环境变量DISPLAY用于指定X服务器的地址和屏幕编号。您可以通过在终端中运行以下命令来...
在远程连接Linux等时,基本用不到显示器,所以希望能远程将显示屏关闭xset -display :0.0 dpms force off这个命令让显示屏进入休眠状态xset -display :0.0 dpms force on开启显示屏 sleep 1 && xset dpms force off这个命令关闭屏幕 出现了报错:xset: unable to open display “” 解决方法:输入如下命令 export D...
I installed dovecot on my server and now the imap and pop3 ports are open.But when I want to telnet it, it's not possible.Code: Trying 127.0.0.1...telnet: Unable to connect to remote host: Connection timed out.Also I can't any ports else. But I can connect to it from other comp...
log_message(l_config, LOG_LEVEL_DEBUG,"cliprdr[main]: ""Opening the default display : %s",getenv("DISPLAY"));if((display = XOpenDisplay(0))==0){ log_message(l_config, LOG_LEVEL_ERROR,"cliprdr[main]: ""Unable to open the default display : %s ",getenv("DISPLAY")); g_free(l_...
g_display = XOpenDisplay(NULL);if(g_display ==NULL) {printf("Unable to open display.\n");return-1; } g_screen = DefaultScreen(g_display); g_window = XCreateSimpleWindow(g_display, DefaultRootWindow(g_display),0,0, g_fbpixelwidth, g_fbpixelheight,2, ...
ubuntu DISPLAY xset: unable to open display "" close screen rc.local 启动 linux ubuntu 初始化 开机启动 好用 转载 mb5fe559d8b9ae4 2013-07-05 12:14:00 1477阅读 2评论 ubuntu开启键盘背光灯 今天买了键盘,发现背光灯不亮,但是在windows系统下就是好好的,一查资料,果然是ubuntu搞的鬼,还要设...
在远程连接Linux等时,基本用不到显示器,所以希望能远程将显示屏关闭 xset -display :0.0 dpms force off这个命令让显示屏进入休眠状态 xset -display :...0.0 dpms force on开启显示屏 sleep 1 && xset dpms force off这个命令关闭屏幕 出现了报错:xset: unable to open display “”...解决方法:输入如下命令...
如果你想收到幸福和喜悦,请填写你的电子邮件 If you want to receive happiness and joy, fill in your email
*//* Open a connection to the X server */display = XOpenDisplay(NULL);if(display ==NULL) {fprintf(stderr,"Error: could not open X display\n"); } screen = DefaultScreen(display); window = XCreateSimpleWindow(display, RootWindow(display, screen),0,0, environment_width * PIXEL_WIDTH...