deVops pathshala Blog – Notes for Me & You

  • Computer Networking refers to interconnected computing devices that can exchange date and share resource with each other. Hardware Requirements    • Etherent Card, NIC, Interface, Lan Card  • Cables (wireless/wired)  • Networking Devices (HUB/Switch/Router)  Logical Terms   • IP Address (Public,Private,static,Dynamic,Virtual)   • Mac Address   • Source & Destination Address   • Ports, Sockets  • Network Address, Broadcast Address Mac address:- Mac address is the physical address , which uniqualy identifies each devices on a given network. It’s persistent.  IP address:- IP address stand for “Internet Protocol Address”. The inetenet protocol is a set of rule for communication over the internet. • Type of IP addres   1. IPv4 (Internet Protocol Version 4)   2. IPv6 (Internet Protocol Version 6)  IPv4 = 32 bit   IPv6 = 128 bit Bit = 0,1   *IPv4 = 32 bit 4 octats...

                                                   LINUX BASIC COMMANDS                                           1. whoami - Display the current logged-in user.                    whoami - Shows username.                    Example: whoami  2. pwd - Print the current directory path.                pwd - Outputs the current directory.  Example: pwd  3. . ls - Lists directory contents.             ls - Basic list.             ls -l - List with details.             Example: ls -la Directory  4. . cd - Chan...