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with my nvidia-settings and nvidia-xconfig i can create the /etc/X11/xorg.conf file

>>> sudo nvidia-xconfig
Using X configuration file: "/etc/X11/xorg.conf".
WARNING: Unable to find CorePointer in X configuration; attempting to add new CorePointer section.
WARNING: The CorePointer device was not specified explicitly in the layout; using the first mouse device.
WARNING: Unable to find CoreKeyboard in X configuration; attempting to add new CoreKeyboard section.
WARNING: The CoreKeyboard device was not specified explicitly in the layout; using the first keyboard device.
Backed up file '/etc/X11/xorg.conf' as '/etc/X11/xorg.conf.nvidia-xconfig-original'
Backed up file '/etc/X11/xorg.conf' as '/etc/X11/xorg.conf.backup'
New X configuration file written to '/etc/X11/xorg.conf'

i will set the cool-bits option with

>>> sudo nvidia-xconfig -a --cool-bits=12
Using X configuration file: "/etc/X11/xorg.conf".
Backed up file '/etc/X11/xorg.conf' as '/etc/X11/xorg.conf.backup'
New X configuration file written to '/etc/X11/xorg.conf'

But every time I reboot my options are gone..

The problem is that the cool-bits option allows me to overclock. But i need to reboot after to apply the effect but if I reboot the file disappears

I use lubuntu 17.10

EDIT:

Ah, I think a package is missing but I don't know which one

Package xorg-server was not found in the pkg-config search path.
Perhaps you should add the directory containing xorg-server.pc' to the PKG_CONFIG_PATH environment variable
No package 'xorg-server' found`
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  • seems the files are written, did you do a diff to see if any actual change was made?
    – vfbsilva
    Dec 14, 2017 at 16:00
  • Ah, I think a package is missing but I don't know which one Package xorg-server was not found in the pkg-config search path. Perhaps you should add the directory containing xorg-server.pc' to the PKG_CONFIG_PATH environment variable No package 'xorg-server' found`
    – Rod
    Dec 14, 2017 at 16:08
  • The only change on file comes with the command sudo nvidia-xconfig -a --cool-bits=12. After i reboot to apply but disappears on startup
    – Rod
    Dec 14, 2017 at 16:46
  • 1
    Can you explain what the "cool-bits" actually do? Does it add some text to xorg.conf? xorg.confshould not be touched on reboot. Unless something it writing to it on reboot. But I can't think why. Dec 14, 2017 at 17:33
  • According to the readme nvidia 387.12 --cool-bits=12 add text like Option "Coolbits" "integer" on devices section in xorg.conf
    – Rod
    Dec 14, 2017 at 18:07

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