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Linux, OS Concepts and Networking

Send and Receive (Transfer) integer over socket using C program

Following the simple example which shows how we can send and receive an integer over a socket. … Read more

Following C program helps you to identify what is the total and free memory / RAM available … Read more

Following is the simple example to show, how we can create two threads at a time and … Read more

In this post, we create a simple thread using pthread library API “pthread_create” and wait for this … Read more

If data is written, it is first written to the Page Cache and managed as one of … Read more

This post is in continuation of our previous post “Understanding ARP (Address Resolution Protocol) basics“ To visualise … Read more

Signals are a limited form of inter-process communication (IPC), typically used in Unix, Unix-like, and other POSIX-compliant … Read more

The file mode, stored in the st_mode field of the file attributes, contains two kinds of information: … Read more

Most of the times we downloaded some files from the internet, and we also see people provides … Read more

We can use tcpdump to capture the packets whereas tshark to analyse the packets. Using above help, … Read more

libpcap provides functions for user-level packet capture, used in low-level network monitoring. Following program captures the packets … Read more

nmcli is a command-line tool for controlling NetworkManager and reporting network status. It can be utilized as … Read more