How To Install nmap on CentOS 7
Introduction
In this tutorial we learn how to install nmap on CentOS 7.
What is nmap
Nmap is a utility for network exploration or security auditing. It supports ping scanning (determine which hosts are up), many port scanning techniques (determine what services the hosts are offering), and TCP/IP fingerprinting (remote host operating system identification). Nmap also offers flexible target and port specification, decoy scanning, determination of TCP sequence predictability characteristics, reverse-identd scanning, and more. In addition to the classic command-line nmap executable, the Nmap suite includes a flexible data transfer, redirection, and debugging tool (netcat utility ncat), a utility for comparing scan results (ndiff), and a packet generation and response analysis tool (nping).
We can use yum or dnf to install nmap on CentOS 7. In this tutorial we discuss both methods but you only need to choose one of method to install nmap.
Install nmap on CentOS 7 Using yum
Update yum database with yum using the following command.
sudo yum makecache
After updating yum database, We can install nmap using yum by running the following command:
sudo yum -y install nmap
Install nmap 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 nmap using dnf by running the following command:
sudo dnf -y install nmap
How To Uninstall nmap on CentOS 7
To uninstall only the nmap package we can use the following command:
sudo dnf remove nmap
References
Summary
In this tutorial we learn how to install nmap on CentOS 7 using yum and dnf.
