Send data using http POST from client and receive response from server using netcat over specific port
We create a server using netcat command which listens on 8909 port as below, This server responds … Read more
Linux, OS Concepts and Networking
Listening on specific port number using netcat to receive http POST messages
The nc (or netcat) utility is used for just about anything under the sun involving TCP, UDP, … Read more
How to Connect Wi-Fi from Linux Terminal Using Nmcli
nmcli is a command-line tool for controlling NetworkManager and reporting network status. It can be utilized as … Read more
Socket Programming in JAVA – TCP client and server
As we have already seen, how to write UDP socket programs in JAVA, now we will write … Read more
Solved : java.net.BindException: Address already in use (Bind failed)
If you are working with TCP / UDP sockets in JAVA, there is higher chances your might … Read more
Wait for command execution till Internet is available using fping
Do you want to wait for an internet availability before proceeding further such as send an email … Read more
Understanding ARP (Address Resolution Protocol) basics
The MAC address is how machines on a subnet communicate. When machine A sends packets to another … Read more
How to check if Internet is available using bash script
Do you want to wait for an internet availability before proceeding further such as send an email … Read more
Linux Initscript Example to start and stop process during booting
The below shell script uses start-stop-daemon from “/sbin/start-stop-daemon” to execute the program during booting so that the … Read more
How to identify and kill zombie process in Linux ?
If you already knows whats zombie process and wanted to identify all zombie process’s in you system, … Read more