A script that will notify you that your battery is getting low on Ubuntu Desktop 16.04.2 LTS
To setup this script, you will need to clone the repo, and go into the directory on your computer.
After that, run the following commands:
chmod u+x battery-notification.sh
./battery-notification.sh --install
What these commands will do is set the shell script to executable by the user, and install the script.
The script will install the script to a 'bin' directory in your home directory.
Then, it will install a cron job to call it every 2 minutes.
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When your battery is between 11-15%, it will tell you to plug in your computer.
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When your battery is between 6-10%, it will alert you that it will shutdown at 5%.
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At 5% it will alert you that your computer is shutting down, and shut down your computer safely.
To uninstall this script , delete the line that calls 'bn.sh' from your crontab, and delete the bn.sh script from your '~/bin' directory.