DHCP(Dynamic Host Configuration Protocol) 1. What is DHCP Server ? Dynamic Host Configuration Protocol (DHCP) automatically assigns network configuration information including IP addresses and other information like subnetmask, broadcast address,...
Lets see how to run a playbook on a single selected host or multiple selected hosts. We can either make groups in hosts file or mention the host name using...
In this article, we will look how to check for open ports on a remote Linux server. The most commonly used commands for this purpose is telnet, nc, and nmap...
In this short article, we will look how to test a port on Linux on multiple hosts. This tip is very useful to test the port connectivity on a large...
Today we will look at an interesting feature to use linux TCP and UDP port checking process. Below two virtual device map provided by Linux. /dev/tcp/$host/$port /dev/udp/$host/$port 1. How to...