How To Install cadvisor on CentOS 7

In this tutorial we learn how to install cadvisor on CentOS 7. cadvisor is Analyzes resource usage and performance characteristics of running

Introduction

In this tutorial we learn how to install cadvisor on CentOS 7.

What is cadvisor

Analyzes resource usage and performance characteristics of running containers cAdvisor (Container Advisor) provides container users an understanding of the resource usage and performance characteristics of their running containers. It is a running daemon that collects, aggregates, processes, and exports information about running containers. Specifically, for each container it keeps resource isolation parameters, historical resource usage, histograms of complete historical resource usage and network statistics. This data is exported by container and machine-wide. cAdvisor currently supports lmctfy containers as well as Docker containers (those that use the default libcontainer execdriver). Other container backends can also be added. cAdvisor’s container abstraction is based on lmctfy’s so containers are inherently nested hierarchically.

We can use yum or dnf to install cadvisor on CentOS 7. In this tutorial we discuss both methods but you only need to choose one of method to install cadvisor.

Install cadvisor on CentOS 7 Using yum

Update yum database with yum using the following command.

sudo yum makecache

After updating yum database, We can install cadvisor using yum by running the following command:

sudo yum -y install cadvisor

Install cadvisor on CentOS 7 Using dnf

If you don’t have dnf installed you can install DNF on CentOS 7 first. Update yum database with dnf using the following command.

sudo dnf makecache

After updating yum database, We can install cadvisor using dnf by running the following command:

sudo dnf -y install cadvisor

How To Uninstall cadvisor on CentOS 7

To uninstall only the cadvisor package we can use the following command:

sudo dnf remove cadvisor

References

Summary

In this tutorial we learn how to install cadvisor on CentOS 7 using yum and dnf.