Fail2ban is a popular open-source tool that can help protect your Linux server from brute-force attacks. It does this by monitoring log files for failed login attempts and automatically banning IP addresses that exceed a configurable number of attempts. In this article, we will show you how to install Fail2ban on a Linux machine using either apt or yum package managers. Here are the steps:
For apt-based distributions (e.g. Debian, Ubuntu):
sudo apt-get update
sudo apt-get install fail2ban
For yum-based distributions (e.g. CentOS, Fedora):
sudo yum update
sudo yum install fail2ban
After the installation is complete, you can start Fail2ban using the following command:
sudo service fail2ban start
You can also check the status of Fail2ban to make sure it's running correctly:
sudo service fail2ban status
And that's it! You've successfully installed Fail2ban on your Linux machine. You can now start configuring Fail2ban to meet your security needs.