How To Install fail2ban-sendmail on CentOS 7

In this tutorial we learn how to install fail2ban-sendmail on CentOS 7. fail2ban-sendmail is Sendmail actions for Fail2Ban

Introduction

In this tutorial we learn how to install fail2ban-sendmail on CentOS 7.

What is fail2ban-sendmail

This package installs Fail2Ban’s sendmail actions. This is the default mail actions for Fail2Ban.

We can use yum or dnf to install fail2ban-sendmail on CentOS 7. In this tutorial we discuss both methods but you only need to choose one of method to install fail2ban-sendmail.

Install fail2ban-sendmail on CentOS 7 Using yum

Update yum database with yum using the following command.

sudo yum makecache

After updating yum database, We can install fail2ban-sendmail using yum by running the following command:

sudo yum -y install fail2ban-sendmail

Install fail2ban-sendmail 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 fail2ban-sendmail using dnf by running the following command:

sudo dnf -y install fail2ban-sendmail

How To Uninstall fail2ban-sendmail on CentOS 7

To uninstall only the fail2ban-sendmail package we can use the following command:

sudo dnf remove fail2ban-sendmail

References

Summary

In this tutorial we learn how to install fail2ban-sendmail on CentOS 7 using yum and dnf.