Using Bash to monitor battery life and optimize it

In this recipe, we will learn about the TLP Linux tool. TLP is a command-line tool; it is used for power management and will optimize the battery life.

Getting ready

Besides having a Terminal open, you need to ensure that you have TLP installed on your system.

How to do it…

TLP’s configuration file is in the /etc/default/ directory and the filename is tlp. After installation, it starts as a service automatically. We can check whether it’s running under system by running the systemctl command, as follows:

$ sudo systemctl status tlp

Run the following command to get the operation mode:

$ sudo tlp start

To get the system information as well as TLP status, run the following command:

$ sudo tlp-stat -s

To view TLP configuration, run this command:

$ sudo tlp-stat -c

To get all the power configurations, run the given command:

$ sudo tlp-stat

To get the battery information, use this command:

$ sudo tlp-stat -b

To get the fan speed and temperature of the system...