Linux不让显示器休眠的方法

Linux不让显示器休眠的方法  
Linux不让显示器休眠方法:
#  setterm -blank 0
#  setterm -blank n (n为等待时间)

也可以编辑xorg.conf,添加如下选项把xscreen saver直接关闭:

Section “ServerFlags”
   Option “BlankTime” “0″    #关闭黑屏
   Option “StandbyTime” “0″   #关闭待机功能
   Option “SuspendTime” “0″   #关闭睡眠功能
   Option “OffTime” “0″
EndSection
修改后重启x即可生效。 
编辑xorg.conf文件和使用xset命令效果一样,可使用xset -q查看设置和当前配置。
 
备注:
时间值设置成0 就是关闭该项.

# xset -q         //查看设置和当前配置
# xset -dpms      //Energy Star features off
# xset +dpms      //Energy Star features on

[root@hsgpc xorg.conf.d]# xset -h
xset:  unknown option -h

usage:  xset [-display host:dpy] option ...
    To turn bell off:
-b                b off               b 0
    To set bell volume, pitch and duration:
b [vol [pitch [dur]]]          b on
    To disable bug compatibility mode:
-bc
    To enable bug compatibility mode:
bc
    To turn keyclick off:
-c                c off               c 0
    To set keyclick volume:
c [0-100]        c on
    To control Energy Star (DPMS) features:
-dpms      Energy Star features off
+dpms      Energy Star features on
dpms [standby [suspend [off]]]     
     force standby 
     force suspend 
     force off 
     force on 
     (also implicitly enables DPMS features) 
     a timeout value of zero disables the mode 
    To set the font path:
fp= path[,path...]
    To restore the default font path:
fp default
    To have the server reread font databases:
fp rehash
    To remove elements from font path:
-fp path[,path...]  fp- path[,path...]
    To prepend or append elements to font path:
+fp path[,path...]  fp+ path[,path...]
    To set LED states off or on:
-led [1-32]         led off
led [1-32]         led on
-led named 'name'   led off
led named 'name'   led on
    To set mouse acceleration and threshold:
m [acc_mult[/acc_div] [thr]]    m default
    To set pixel colors:
p pixel_value color_name
    To turn auto-repeat off or on:
-r [keycode]        r off
r [keycode]        r on
r rate [delay [rate]]
    For screen-saver control:
s [timeout [cycle]]  s default    s on
s blank              s noblank    s off
s expose             s noexpose
s activate           s reset
    For status information:  q


[root@hsgpc xorg.conf.d]# xset -dpms     //close Energy Star =off
[root@hsgpc xorg.conf.d]# xset +dpms     //Open  Energy Star =on


禁止 centos 休眠
linux由于屏幕关闭加上长时间没有操作可能导致centos进行深度休眠,此时只能通过电源键来强制重启。
可以通过修改X11的配置来禁止休眠,配置文件为/etc/X11/xorg.conf,
注意修改此文件前记得备份,防止由于配置错误导致无法进行X11桌面。

修改涉及两个地方,第一个是 Section “Monitor”,查看其配置中是否有 DPMS,且其值为 false,保证配置信息如下:

Option      "DPMS" "false"
第二个修改是增加一个 Section “ServerFlags”,包含的内容如下:
Section "ServerFlags"
    Option      "BlankTime" "0"
    Option      "StandbyTime" "0"
    Option      "SuspendTime" "0"
    Option      "OffTime" "0"
EndSection

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