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 DISPLAY=:0 xset q 之后再输入sleep 1 && xset dpms force off不再报错
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...
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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, ...
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 DISPLAY=:0 xset q 之后再输入sleep 1 && xset dpms force off不再报错 Reference: https:/.../askubuntu.com/questions/476036/xset-unable-to-open-display ...
那么请你用xset工具设置吧xset s off xset dpms 0 0 0二、 sudo raspi- 树莓派系统设置 树莓派全屏显示 系统时间设置 sd卡 中文字体 原创 wx604f04a92c6fd 2022-11-15 19:40:05 373阅读 ubuntu自动关闭屏幕显示器 ubuntu DISPLAY xset: unable to open display "" close screen rc.local 启动 ...
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*//* 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...