Friday, 9 July 2021

How to resolve “-bash: nmap: command not found” on CentOS 7

By default, nmap command is not available in CentOS 7 minimal installation and other Linux distributions. The nmap command line utility is used for port scanning and services which are running on local or remote machine in a network.This article describes How to resolve “-bash: nmap: command not found” on CentOS 7.
[root@linuxcnf ~]# nmap
-bash: nmap: command not found
[root@linuxcnf ~]#
Step 1. Package Installation: Run the following command to install nmap package:
[root@linuxcnf ~]# yum install nmap
Loaded plugins: fastestmirror
Dependency Installed:
  libpcap.x86_64 14:1.5.3-12.el7                                                     nmap-ncat.x86_64 2:6.40-19.el7
[root@linuxcnf ~]#
Step 2. Verify the installation: Run the following commands to verify the installation:
[root@linuxcnf ~]# which nmap
[root@linuxcnf ~]#
[root@linuxcnf ~]# nmap -version
Nmap version 6.40 ( )
Platform: x86_64-redhat-linux-gnu
Compiled with: nmap-liblua-5.2.2 openssl-1.0.2k libpcre-8.32 libpcap-1.5.3 nmap-libdnet-1.12 ipv6
Compiled without:
Available nsock engines: epoll poll select
[root@linuxcnf ~]#
Done!!! Now the nmap command is available in the system.

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