Tuning your system's performance

Companies buy the best hardware their money can get, and they want to use everything optimally. However, it's not just the hardware that makes your applications run faster. Your OS will also behave differently under specific circumstances.

Tuned is a set of tools and a daemon that tunes your system's settings automatically depending on its usage. It periodically collects data from its components through plugins, which it uses to change system settings according to the current usage.

How to do it…

In this recipe, we'll ask tuned which profile to use and apply it through the following steps:

1. First, run the following command to install the required packages:

   ~]# yum install -y tuned
   

2. Enable and start tuned by executing the following commands:

   ~]# systemctl enable tuned
   ~]# systemctl restart tuned
   

3. Have tuned guess the profile to be used via the following:

   ~]# tuned-adm recommend
   virtual-guest
   

4. Finally, apply the recommended profile to tuned, as follows:

   ~]# tuned-adm...