How To Install firewalld on CentOS 7
Introduction
In this tutorial we learn how to install firewalld on CentOS 7.
What is firewalld
firewalld is a firewall service daemon that provides a dynamic customizable firewall with a D-Bus interface.
We can use yum or dnf to install firewalld on CentOS 7. In this tutorial we discuss both methods but you only need to choose one of method to install firewalld.
Install firewalld on CentOS 7 Using yum
Update yum database with yum using the following command.
sudo yum makecache
After updating yum database, We can install firewalld using yum by running the following command:
sudo yum -y install firewalld
Install firewalld 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 firewalld using dnf by running the following command:
sudo dnf -y install firewalld
How To Uninstall firewalld on CentOS 7
To uninstall only the firewalld package we can use the following command:
sudo dnf remove firewalld
References
Summary
In this tutorial we learn how to install firewalld on CentOS 7 using yum and dnf.
