It is a well known fact that all Linux based system works with services. A Linux service is an application that is either runing in the background waiting to be used, or carrying out essential tasks. When you install Ubuntu, there are many services which are enabled by default. Whenever Ubuntu starts, it also starts all these services, there could be so many services which you are no longer using or you have never used them before, so do you think that there is any need to start these services every time on the system boot up? The answer should definitely be “No” because these services are consuming your system’s resources and also slowing your system’s boot process.
You can disable unwanted/unused services in Ubuntu in a very easy way. Go to System > Administration > Services.
Services settings window will be displayed. By default, it will not let you make changes to the configurations for the services, you will first need to click the Unlock button.
Now, you will be able to see that almost all services are checked which means they are enabled on system boot, uncheck the services that you are no longer using and click Close, just like I am not using Blue tooth device management and Braille display management services, so I disabled them by unckecking them.
It is very vital that you should tweak your system by disabling the additional services, in this way your system will work faster. Enjoy!