This blog post provides a step-by-step guide on how to control fan speed on Linux.<\/p>\n\n\n\n
Table of Content<\/strong><\/p>\n\n\n\n One of the most common tools for monitoring and controlling fan speed on Linux is lm-sensors<\/strong><\/a>. It’s a powerful suite that can read temperature, voltage, and fan speed sensors. For the configuration of the lm-sensors<\/strong>, the fancontrol script is utilized for adjusting the fan speed based on the temperatures reported through lm-sensors<\/strong>.<\/p>\n\n\n\n Let\u2019s install and configure the fan speed on linux via lm-sensors <\/strong>on the Linux system:<\/p>\n\n\n\n The first step in controlling fan speed is to install lm-sensors, a tool that allows you to monitor hardware sensors, including temperature and fan speed.<\/p>\n\n\n\n For Debian-based systems:<\/strong><\/p>\n\n\n\n <\/p>\n\n\n\n For RHEL-based systems like CentOS<\/strong>:<\/p>\n\n\n\n After installation, you need to detect the available sensors on your system and determine the necessary kernel modules to load. Use the following command:<\/p>\n\n\n\n <\/p>\n\n\n\n You will be prompted to answer a series of questions to identify the sensors:<\/p>\n\n\n\n <\/p>\n\n\n\n It’s generally safe to accept the default answers unless you have specific requirements:<\/p>\n\n\n\n <\/p>\n\n\n\n It moves further to asking to scan:<\/p>\n\n\n\n <\/p>\n\n\n\n Note<\/strong>: Always remember to proceed with caution, as incorrect settings <\/strong>can potentially harm your system. Remember, keeping your system cool is not just about comfort, but also about ensuring the longevity and reliability of your hardware.<\/p>\n\n\n\n To confirm that the sensors are working correctly, use the sensors <\/strong>command:<\/p>\n\n\n\n <\/p>\n\n\n\n This displays the current readings of all detected sensors, including temperatures and fan speeds.<\/p>\n\n\n\n fancontrol is a utility that works alongside lm-sensors to regulate fan speed based on system temperature. This pwmconfig<\/strong> tool is often used to control PWM (Pulse-Width Modulation) fans. It requires root privileges and can be used to set fan speeds based on specific PWM values.<\/p>\n\n\n\n For configuration, users need to run the below command:<\/p>\n\n\n\n <\/p>\n\n\n\n This script guides you through a series of prompts to configure the fan speed control.<\/p>\n\n\n\n Note<\/strong>: fancontroll is another command-line tool that provides a more user-friendly interface for controlling fan speeds. It can be used to set fan speeds based on temperature thresholds.<\/p>\n\n\n\n You’ll specify which sensors to use and set the desired fan speed for different temperature thresholds. If not work, users can install fancontroll <\/strong>package as below:<\/p>\n\n\n\n <\/p>\n\n\n\n Once you’ve configured fancontrol, you may need to fine-tune the settings in the \/etc\/fancontrol <\/strong>file. After making adjustments, apply your changes by restarting the fancontrol service:<\/p>\n\n\n\n <\/p>\n\n\n\n By following these steps, you can effectively control the fan speed on your Linux system, ensuring that your hardware runs at optimal temperatures and performs efficiently.<\/p>\n\n\n\n Another method to control fan speed is through the system’s BIOS or UEFI settings. Many modern motherboards<\/a> provide options to set up fan profiles that regulate the fan speed based on CPU or system temperatures.<\/p>\n\n\n\n Accessing BIOS\/UEFI:<\/strong><\/p>\n\n\n\n – Reboot your system and press the key indicated on the screen (often F2<\/strong>, Del<\/strong>, or Esc<\/strong>) to enter the BIOS\/UEFI.<\/p>\n\n\n\n – Then, move to the Hardware Monitor <\/strong>section and check the CPU<\/strong> Fan Speed<\/strong>. For instance, it is 468 RPM.<\/p>\n\n\n\n – Finally, Adjust the Fan Control<\/strong> as needed, being careful not to disable critical safety features:<\/p>\n\n\n\n <\/p>\n\n\n\n That is all from the guide.<\/p>\n\n\n\n Controlling fan speed on Linux requires a bit of setup, but it offers the flexibility to optimize your system’s cooling as per your needs. Whether you prefer a GUI tool or the command line, Linux provides you with the options to keep your system cool and quiet. First, install lm-sensors <\/strong>using the package manager of your distribution. For Debian-based systems, use sudo apt install lm-sensors<\/strong>, and for RHEL-based systems, sudo dnf install lm_sensors. Then, find the system’s sensors <\/strong>via sudo sensors-detect. After that, confirm sensor operation with the sensors <\/strong>command. Finally, use pwmconfig <\/strong>to create a fancontrol configuration file.<\/p>\n\n\n\t\t\t\t\t\t\t\n
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How to Control Fan Speed on Linux<\/h2>\n\n\n\n
<\/a>Step 1: Installing lm-sensors<\/h3>\n\n\n\n
sudo apt update<\/pre>\n
sudo apt install lm-sensors<\/pre>\n\n\n\n
![\"\"](\"http:\/\/greenwebpage.com\/community\/wp-content\/uploads\/2024\/11\/word-image-12643-1.png\")
<\/figure>\n\n\n\nsudo dnf -y install lm_sensors<\/pre>\n\n\n\n
<\/a>Step 2: Detecting Sensors<\/h3>\n\n\n\n
sudo sensors-detect<\/pre>\n\n\n\n
![\"\"](\"http:\/\/greenwebpage.com\/community\/wp-content\/uploads\/2024\/11\/word-image-12643-2.png\")
<\/figure>\n\n\n\n![\"\"](\"http:\/\/greenwebpage.com\/community\/wp-content\/uploads\/2024\/11\/word-image-12643-3.png\")
<\/figure>\n\n\n\n![\"\"](\"http:\/\/greenwebpage.com\/community\/wp-content\/uploads\/2024\/11\/word-image-12643-4.png\")
<\/figure>\n\n\n\n![\"\"](\"http:\/\/greenwebpage.com\/community\/wp-content\/uploads\/2024\/11\/word-image-12643-5.png\")
<\/figure>\n\n\n\n<\/a>Step 3: Checking Sensor Output<\/h3>\n\n\n\n
sensors<\/pre>\n\n\n\n
![\"\"](\"http:\/\/greenwebpage.com\/community\/wp-content\/uploads\/2024\/11\/word-image-12643-6.png\")
<\/figure>\n\n\n\n<\/a>Step 4: Configuring fancontrol<\/h3>\n\n\n\n
sudo pwmconfig<\/pre>\n\n\n\n
![\"\"](\"http:\/\/greenwebpage.com\/community\/wp-content\/uploads\/2024\/11\/word-image-12643-7.png\")
<\/figure>\n\n\n\nsudo apt install fancontrol<\/pre>\n\n\n\n
![\"\"](\"http:\/\/greenwebpage.com\/community\/wp-content\/uploads\/2024\/11\/word-image-12643-8.png\")
<\/figure>\n\n\n\n<\/a>Step 5: Fine-Tuning and Starting fancontrol<\/h3>\n\n\n\n
sudo service fancontrol restart<\/pre>\n\n\n\n
![\"\"](\"http:\/\/greenwebpage.com\/community\/wp-content\/uploads\/2024\/11\/word-image-12643-9.png\")
<\/figure>\n\n\n\n<\/a>Bonus Tip: Control Fan Speed Using BIOS<\/h2>\n\n\n\n
![\"\"](\"http:\/\/greenwebpage.com\/community\/wp-content\/uploads\/2024\/11\/word-image-12643-10.png\")
<\/figure>\n\n\n\n<\/a>Conclusion<\/h2>\n\n\n\n
Frequently Asked Questions <\/h3>\r\n\t\t\t\t\t\t