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Correct spelling of recipes once and for all
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# NVidia GPU
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!!! warning
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This is not a complete recipe - it's a component of the [cryptominer](/recipes/cryptominer/) "_uber-recipe_", but has been split into its own page to reduce complexity.
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## Ingredients
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1. [Nvidia drivers](http://www.nvidia.com/Download/driverResults.aspx/104284/en-us) for your GPU
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2. Some form of X11 GUI preconfigured on your linux host (yes, it's a PITA, but it's necessary for overclocking)
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## Preparation
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### Install kernel-devel and gcc
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The nVidia drivers will need the kernel development packages for your OS installed, as well as gcc. Run the following (for CentOS - there will be an Ubuntu equivalent):
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```yum install kernel-devel-$(uname -r) gcc```
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### Remove nouveau
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Your host probably already includes nouveau, free/libre drivers for Nvidia graphics card. These won't cut it for mining, so blacklist them to avoid conflict with the dirty, proprietary Nvidia drivers:
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```
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echo 'blacklist nouveau' >> /etc/modprobe.d/blacklist.conf
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dracut /boot/initramfs-$(uname -r).img $(uname -r) --force
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systemctl disable gdm
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reboot
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```
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### Install Nvidia drivers
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Download and uncompress the [Nvidia drivers](http://www.nvidia.com/Download/driverResults.aspx/104284/en-us), and execute the installation as root, with a command something like this:
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```bash NVIDIA-Linux-x86_64-352.30.run```
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Update your X11 config by running:
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```
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nvidia-xconfig
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```
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### Enable GUID
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```
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systemctl enable gdm
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ln -s '/usr/lib/systemd/system/gdm.service' '/etc/systemd/system/display-manager.service'
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reboot
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```
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## Overclock
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### Preparation
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!!! warning
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Like overclocking itself, this process is still a work in progress. YMMV.
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Of course, you want to squeeze the optimal performance out of your GPU. This is where the X11 environment is required - to adjust GPU clock/memory settings, you need to use the ```nvidia-settings``` command, which (_stupidly_) **requires** an X11 display, even if you're just using the command line.
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The following command: configures X11 for a "fake" screen so that X11 will run, even on a headless machine managed by SSH only, and ensures that the PCI bus ID of every NVidia device is added to the xorg.conf file (to avoid errors about "_(EE) no screens found(EE)_")
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```
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nvidia-xconfig -a --allow-empty-initial-configuration --cool-bits=28 --use-display-device="DFP-0" --connected-monitor="DFP-0" --enable-all-gpus --separate-x-screens
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```
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!!! note
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The script below was taken from https://github.com/Cyclenerd/ethereum_nvidia_miner
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Make a directory for your overclocking script. Mine happens to be /root/overclock/, but use whatever you like.
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Create settings.conf as follows:
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```
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# Known to work with Nvidia 1080ti, but probably not optimal. It's an eternal work-in-progress.
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MY_WATT="200"
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MY_CLOCK="100"
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MY_MEM="400"
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MY_FAN="60"
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```
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Then create nvidia-overclock.sh as follows:
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```
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#!/usr/bin/env bash
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#
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# nvidia-overclock.sh
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# Author: Nils Knieling - https://github.com/Cyclenerd/ethereum_nvidia_miner
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#
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# Overclocking with nvidia-settings
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#
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# Load global settings settings.conf
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if ! source ~/overclock/settings.conf; then
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echo "FAILURE: Can not load global settings 'settings.conf'"
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exit 9
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fi
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export DISPLAY=:0
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# Graphics card 1 to 6
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for MY_DEVICE in {0..5}
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do
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# Check if card exists
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if nvidia-smi -i $MY_DEVICE >> /dev/null 2>&1; then
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nvidia-settings -a "[gpu:$MY_DEVICE]/GPUPowerMizerMode=1"
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# Fan speed
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nvidia-settings -a "[gpu:$MY_DEVICE]/GPUFanControlState=1"
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nvidia-settings -a "[fan:$MY_DEVICE]/GPUTargetFanSpeed=$MY_FAN"
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# Graphics clock
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nvidia-settings -a "[gpu:$MY_DEVICE]/GPUGraphicsClockOffset[3]=$MY_CLOCK"
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# Memory clock
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nvidia-settings -a "[gpu:$MY_DEVICE]/GPUMemoryTransferRateOffset[3]=$MY_MEM"
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# Set watt/powerlimit. This is also set in miner.sh at autostart.
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sudo nvidia-smi -i "$MY_DEVICE" -pl "$MY_WATT"
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fi
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done
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echo
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echo "Done"
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echo
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```
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### Start your engine!
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**Once** you've got X11 running correctly, execute ,/nvidia-overclock.sh, and you should see something like the following:
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```
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[root@kvm overclock]# ./nvidia-overclock.sh
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Attribute 'GPUPowerMizerMode' (kvm.funkypenguin.co.nz:0[gpu:0]) assigned value 1.
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Attribute 'GPUFanControlState' (kvm.funkypenguin.co.nz:0[gpu:0]) assigned value 1.
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Attribute 'GPUTargetFanSpeed' (kvm.funkypenguin.co.nz:0[fan:0]) assigned value 60.
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Attribute 'GPUGraphicsClockOffset' (kvm.funkypenguin.co.nz:0[gpu:0]) assigned value 100.
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Attribute 'GPUMemoryTransferRateOffset' (kvm.funkypenguin.co.nz:0[gpu:0]) assigned value 400.
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Power limit for GPU 00000000:04:00.0 was set to 150.00 W from 150.00 W.
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All done.
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Done
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[root@kvm overclock]#
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```
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Play with changing your settings.conf file until you break it, and then go back one revision :)
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## Continue your adventure
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Now, continue to the next stage of your grand mining adventure:
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1. Build your [mining rig](/recipes/cryptominer/mining-rig/) 💻
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2. Setup your [AMD](/recipes/cryptominer/amd-gpu/) or Nvidia (_this page_) GPUs 🎨
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3. Sign up for [mining pools](/recipes/cryptominer/mining-pool/) :swimmer:
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4. Setup your miners with [Miner Hotel](/recipes/cryptominer/minerhotel/) 🏨
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5. Send your coins to [exchanges](/recipes/cryptominer/exchange/) or [wallets](/recipes/cryptominer/wallet/) 💹
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6. [Monitor](/recipes/cryptominer/monitor/) your empire :heartbeat:
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7. [Profit](/recipes/cryptominer/profit/)! 💰
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## Chef's Notes
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### Tip your waiter (donate) 👏
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Did you receive excellent service? Want to make your waiter happy? (_..and support development of current and future recipes!_) See the [support](/support/) page for (_free or paid)_ ways to say thank you! 👏
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### Your comments? 💬
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