sudo vbetool dpms off 是一个在Linux系统中用于关闭显示器的命令。vbetool 是一个命令行工具,用于访问和控制VESA BIOS Extensions(VBE),而 dpms off 参数则指示 vbetool 将显示器的电源管理信号(DPMS)设置为关闭状态,从而将显示器关闭。 前提条件: 需要有 sudo 权限来执行该命令,因为关闭显示器通常需要超级用户权限...
vbetool_1.1-5_amd64 NAME vbetool - run real-mode video BIOS code to alter hardware state SYNOPSIS vbetool[[vbestatesave|restore]|[vbemodeset|get]|[vgamode]|[dpmson|off|standby|suspend|reduced]|[post[romfile]]|[vgastateon|off]|[vbefppanelid|panelsize|getbrightness|setbrightness|invert]] ...
# emerge -av vbetool 接着 # vbetool vbemode get 得到当前的模式代号是16675。这是什么意思呢?查看了一下VESA标准,原来这还和厂商有关?那只好换一个方法 # emerge hwinfo 然后 # hwinfo –framebuffer 才看到的确光靠ATI显卡的BIOS是无法支持宽屏1380×768模式的,难怪现在的控制台字体看上去...
First you have to install thevbetoolpackage. Now what? Now you have to do several things. First,vbetoolcan only be run as root. So you have to add it to the sudoers file as apassword-freecommand. How? Herewe learn that: As an alternative to editing the /etc/sudoers file, you could...
vbetool will attempt to run BIOS code located at c000:0003. This is the code run by the system BIOS at boot in order to intialise the video hardware. Note that on some machines (especially laptops), not all of this code is present after system boot - as a result, executing this comm...