1.Install Cpufreq-utils and Indicator-cpufreq:
For better power management we will be installing a cpu frequency scaling indicator by using
these commands in terminal :
sudo apt-get install cpufrequtils
sudo apt-get install indicator-cpufreq
A logout after the installation is required .
Indicator Multiload is an apple to monitor system resources such as the use of the processor, memory, internet, memory, swap, etc. By default only one graph of the processor is displayed. If you are using a multi-core CPU, note that it graphically depicts the use on a "general" instead of each core. Clicking on this chart displays a menu with more detailed data on other aspects of your system, such as memory swapping, network usage.
Indicator-Multiload can be installed via terminal (ctrl+alt+t) with the following command :
sudo apt install indicator-multiload
Once installed the system monitor can be launched from Unity Dash :
To configure the indicator right click > Preferences
3.Install Caffeine Indicator:
Caffeine indicator allows user to temporary disable screensaver/sleep mode. It is available in the Ubuntu repositories and can be easily installed via terminal :
sudo apt install caffeine
Similar to the Multiload indicator Caffeine can be launched from Dash :