How to Improve Power Management in Ubuntu using TLP

TLP is an advanced Power Management Tool for Linux systems. It can be a best tool for you if you are using laptop with Linux operating system. This article will help you to install TLP on Ubuntu 14.10, 14.04 and 12.04 system.

Features:

• TLP is a pure command line tool with automated background tasks
• I/O scheduler (per disk)
• USB auto suspend with blacklist
• Enable/disable integrated wifi, bluetooth or wwan devices upon system startup and shutdown
• Restore radio device state on system startup (from previous shutdown).
• Radio device wizard: switch radios upon network connect/disconnect and dock/undock
• Disable Wake On LAN
• WWAN state is restored after suspend/hibernate
• Untervolting of Intel processors – requires kernel with PHC-Patch

Installing TLP on Ubuntu

First you need to add TLP PPA repository in your system and then easily install TLP using apt-get. Use the following commands to install TLP.

$ sudo add-apt-repository ppa:linrunner/tlp
$ sudo apt-get update
$ sudo apt-get install tlp tlp-rdw

Configuration of TLP

TLP default configuration file is /etc/default/tlp where is stored all settings. By default you don’t need to make any changes, But in case you need more configuration visit TLP Advance Configuration page.

Starting TLP

After completing installation and configuration just use following command to install TLP and forgot it. It will keep running and do their work efficiently.

$ sudo tlp start

Now use below command to confirm that TLP is running properly.

$ sudo tlp-stat