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Archives For November 30, 1999

Change CPU Mode by Configuring TDP up/down in Ubuntu via This App

Last updated: July 23, 2021

For those want to set the CPU TDP limit, a new Intel Controller app is available by Spanish Linux computer company Slimbook.

TDP stands for Thermal Design Power, in watts, and refers to the power consumption under the maximum theoretical load.

Similar to its AMD Controller app, the new app works by setting your CPU TDP value. That is, the amount of power measured in watts allowed for your CPU to either save battery or to improve the overall performance.

To use the app, you need to disable secureboot because it does not allow kernel access to CPU parameters.

As a new project, it so far supports for: i3-10110U, i3-1005G1, i5-8250U, i5-8265U, i5-10210U, i5-1035G1, i7-7500U, i7-8550U, i7-8565U, i7-1065G7, i7-10510U, i7-10750H, i7-1165G7.

You can however test your CPU by adding into the “~/.config/slimbookintelcontroller/slimbookintelcontroller.conf” file.

Search on the web to find out your CPU Specifications, including TDP, TDP-up and TDP-down. Then add your CPU and set the Low, Medium, and High performance in watts as the picture shows. You can then choose between them via either the desktop app or indicator menu.

NOTE: The software is still in early development, they may have bugs. And in higher performance, it drains the battery faster and makes your CPU hotter. USE it at your own risk!

Install Slimbook Intel Controller:

The slimbook PPA maintains the package so far only for Ubuntu 20.04.

1. Add the PPA.

Firstly open terminal either by pressing Ctrl+Alt+T on keyboard, or by searching for and open terminal from system app launcher. When terminal opens, copy and paste the command below and hit Enter:

sudo add-apt-repository ppa:slimbook/slimbook

Type user password, no asterisk feedback, when it asks and hit Enter to continue.

2. Install the controller app.

Next run command to install the Intel Controller:

sudo apt install slimbookintelcontroller

For AMD CPU, you can install another package instead:

sudo apt install slimbookamdcontroller

Once installed, open it from system app launcher. As I mentioned above, it won’t start if your process is not in the configuration file. For the source code, go to Github.

Uninstall:

For any reason, you can copy and paste the command below into terminal and hit Run to remove the software.

sudo apt remove slimbookintelcontroller

As well, do for removing the Slimbook PPA via the command below:

sudo add-apt-repository --remove ppa:slimbook/slimbook
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Install Intel Processor Patch for Meltdown & Spectre in Ubuntu

Last updated: January 12, 2018

Heard about Meltdown and Spectre, two severe hardware bugs that affect billions of devices?

Besides updating the Ubuntu Kernel via “Software Updater”, Intel has released an update processor microcode patch for Linux based operating systems to address the security vulnerabilities.

1. Download the Intel Processor patch from the link below:

Extract the file and you’ll get a new file folder with microcode.dat and intel-ucode directory.

2. To install the patch, open terminal via Ctrl+Alt+T or by searching for “terminal” from application launcher. When it opens, run command:

sudo cp -r ~/Downloads/microcode-*/intel-ucode /lib/firmware/

Then run:

sudo -i && echo 1 > /sys/devices/system/cpu/microcode/reload

Finally you need to reboot your machine to apply changes.

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