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how do?

So you want to use my script, huh? Well lucky for you it's pretty easy. But before we start I have to ask you a few questions:

Questions:

  1. Do you have an Nvidia graphics card installed in your computer?
  2. Do you have Bash (version 4 and above) and the latest nvidia-glx driver installed on your system?
  3. Do you want to use this script part-time? Or would you prefer it be always running in the background?
  4. Did you want to change the default script values?

Answers:

  1. If not... well you're probably looking in the wrong place - sorry... D:
  2. Most Linux distributions have them in the repositories. Go have a look. If you don't know where bash is, it is probably your default Terminal shell anyway. Open your Favourite Terminal Application or Emulator (FTAE) and type bash --version. Please be aware that if you use the 304 or 340 glx driver versions, my script will more than likely not work! (will be fixed someday, I promise)
  3. See "automating this script" below if you want it always running in the background. If you want to use it whenever you want, you can just run the script by typing "./temp.sh" into your FTAE when you're in the directory you've put my script. If you literally just downloaded it it'll be in your Downloads folder... duh!
  4. I'd like to consider my script as being well-commented so if you're game then jump right in by opening my script in your favourite text editor. For versions 6 through 11, you may want to have a look at the line that defines the CURVE variable; where in the following example, a is the desired temperature you'd like the upper bound to be for changing the fan speed, and b is the fan-speed-percentage you want the fans to be running at: ["a"]="b". Also, I've written the script in such a way that you can have as many tempurature and fan-speed-percentage pairs as you like; just make sure they're all seperated by a space. For versions 12 and above I've split the array into fcurve and tcurve (fan and temperature respectively) to make things slightly easier. Make sure that the two arrays are of the same length, though. Otherwise everything I said before still applies.

automating this script

I've taken the (very small amount of) time to include a partially-completed .desktop file - you should locate that now. You need to change the "Path" and "Exec" lines (after the equal-sign). Also, place my script (temp.sh) somewhere safe but somewhere that you know where it is and makes sense. I usually put it somewhere in my home folder.

So if you put my script in your home folder, and lets say your user name/account name is "foo", your "Path" and "Exec" lines would go as follows:

  • Path=/home/foo/
  • Exec=/home/foo/temp.sh

If you wish the script to automatically update itself upon each boot, replace temp.sh with update.sh in your .desktop file. The script will still run in the background as usual.

If your user name/account name is not "foo" then you can change that to what it actually is.

Now the .desktop file should now read as follows:

[Desktop Entry]
Name=nan0s7's fan curve script
Type=Application
Path=/home/foo/
Exec=/home/foo/temp.sh

Now you've got to move the .desktop file (it may have re-named itself to "nan0s7's fan curve script") to a folder where it'll be automatically started. I'm currently running Solus OS which is based off of the Gnome Desktop currently, so I can place the .desktop in the /home/foo/.config/autostart/ folder (replacing foo with your user name of course... unless that is your user name).

Then all I have to do is open up the good 'ol Gnome Tweak Tool, and make sure that my .desktop file shows up in the autostart section (again it may be called "nan0s7's fan curve script").

If you don't know how to set programs to autostart in your distribution of choice, just google how to and apply those instructions to my .desktop file. It usually isn't too difficult.

making sure your bits are always cool

This is a fairly easy thing to do, and it should become second-nature to you if you plan on using Linux for the long-term. The easiest way to make sure at every boot, CoolBits is always enabled is to make use of the xorg.conf.d directory. You will need root access, though.

Go to the directory X11 via typing the following command: cd /etc/X11/ If you don't see a file called xorg.conf (use the ls command), you should open Nvidia Settings for the first time. This will generate one for you. Go into the xorg.conf file with your favourite text editor (mine is nano, so I'd type nano xorg.conf), and go down to the section that is labelled "Device". Make sure you know what it says next to Identifier, in the quotation marks. I've copied what you'll need below; so when you paste it into the file we're going to create, remember to change your Identifier as needed.

You can now exit the editor and go back to the Terminal. Now, go into the directory xorg.conf.d. We're going to make a file, and you can technically call it whatever you like, but personally mine is called nvidia.conf (remember you need to be root in order to be able to save this file). Paste the following lines in this file:

Section "Device"
    Identifier     "Device0"
    Option         "Coolbits" "12"
    Driver         "nvidia"
    VendorName     "NVIDIA Corporation"
EndSection

# Trail

And don't forget to change your Identifier!

This file will make sure Coolbits is enabled each time your system generates a new xorg.conf file, which is usually whenever you update your graphics drivers (as Nvidia likes to do this).

You can change your Coolbits value (in my case the number 12) to whatever you need it to be; different values enable different things. Any value above 4 will enable you to control your fan speed manually, and therefore use this script as it's intended. Remember that Google is your friend.