How To Install flannel on CentOS 7
Introduction
In this tutorial we learn how to install flannel on CentOS 7.
What is flannel
Flannel is an etcd driven address management agent. Most commonly it is used to manage the ip addresses of overlay networks between systems running containers that need to communicate with one another.
We can use yum or dnf to install flannel on CentOS 7. In this tutorial we discuss both methods but you only need to choose one of method to install flannel.
Install flannel on CentOS 7 Using yum
Update yum database with yum using the following command.
sudo yum makecache
After updating yum database, We can install flannel using yum by running the following command:
sudo yum -y install flannel
Install flannel 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 flannel using dnf by running the following command:
sudo dnf -y install flannel
How To Uninstall flannel on CentOS 7
To uninstall only the flannel package we can use the following command:
sudo dnf remove flannel
References
Summary
In this tutorial we learn how to install flannel on CentOS 7 using yum and dnf.