Must Know Linux commands.

Top 50 Linux Commands Everyone must know.

1. ls - view contents of directory (list)

2. pwd - path of the current directory

3. cd - change directory

4. mkdir - make new directory

5. mv - move files / rename files

6. cp - copy files

7. rm - remove files

8. touch - create blank new file

9. rmdir - delete directory

10. cat - list content of file to terminal

11. clear - clear terminal window

12. echo - move data into a file

13. less - Read text file one screen at a time

14. man - show manual of Linux commands

15. sudo - enables you to perform tasks that require administrative or root permissions

16. top - task manager in terminal

17. tar - used to archive multiple files into a tarball

18. grep - used to searching words in specific files

19. head - view first lines of any text file

20. tail - view last lines of any text file

21. diff - compares the contents of two files line by line

22. kill - used for killing unresponsive program

23. jobs - display all current jobs along with their statuses

24. sort - is a command line utility for sorting lines of text files

25. df - info about system disk

26. du - check how much space a file or directory takes

27. zip - to compress your files into a zip archive

28. unzip - to extract the zipped files from a zip archive

29. ssh - a secure encrypted connection between two hosts over and insecure network

30. cal - shows calendar

31. apt - command line tool for interaction with packaging system

32. alias - custom shortcuts used to represent a command

33. w - current user info

34. whereis - used to locate the binary, source, manual page files

35. whatis - used to get one-line man page description

36. useradd - used to create a new user

37. passwd - used to changing password of current user

38. whoami - print current user 39. uptime - print current time when machine starts

40. free - print free disk space info

41. history - print used commands history

42. uname - print detailed information about your Linux system

43. ping - to check connectivity status to a server

44. chmod - to change permissions of files and directories

45. chown - to change ownership of files and directories

46. find - using find searches for files and directories

47. locate - used to locate a file, just like the search command in Windows

48. ifconfig - print ip address stuff

49. ip a - similar to ifconfig but shortest print

50. finger - gives you a short dump of info about a user

Comments

Pin-Bruteforce

Hello all !! Now turn your Kali Nethunter into a bruteforce pin cracker . Here's all your methods ! Simply the method is:-) Git clone https://github.com/urbanadventurer/Android-PIN-Bruteforce.git Ls Cd Pndroid-Pin-Bruteforce bash ./android-pin-bruteforce ./android-pin-bruteforce crack --length 3 ./android-pin-bruteforce crack --length 6 How it works It uses a USB OTG cable to connect the locked phone to the Nethunter device. It emulates a keyboard, automatically tries PINs, and waits after trying too many wrong guesses. [Nethunter phone] <–> [USB cable] <–> [USB OTG adaptor] <–> [Locked Android phone] The USB HID Gadget driver provides emulation of USB Human Interface Devices (HID). This enables an Android Nethunter device to emulate keyboard input to the locked phone. It’s just like plugging a keyboard into the locked phone and pressing keys. This takes just over 16.6 hours with a Samsung S5 to try all possible 4 digit PINs, but with the optimised PIN list it

Acessing webcam(Phishing)

Web-Cam Cam-phish is techniques to take cam shots of target’s phone or pc. It is a phishing tool which hosts fake websites on in built PHP server and uses ngrok server to generate a link which we will forward to the target, which can be used on over internet. Website asks for camera permission and if target allows it, this tool grab cam shots of target’s device. Requirements:- apt -get -y install php openssh git wget Installation :- git clone https://github.com/techchipnet/CamPhish cd CamPhish bash camphish.sh Cam-Phish is created to help in penetration testing and it's not responsible for any misuse or illegal purposes. Cam-Phish is inspired by https://github.com/thelinuxchoice/ Big thanks !!!

OSI Layer and Its Attacks

The OSI (Open Systems Interconnection) model is a conceptual framework that standardizes the functions of a telecommunication or computing system into seven abstraction layers. Each layer serves a specific purpose and interacts with adjacent layers to ensure data is transmitted reliably and efficiently across a network. Disclaimer: For educational Purposes Only. Security vulnerabilities can exist at various layers of the OSI model. By thoroughly testing each layer, developers can identify security weaknesses and implement appropriate security measures to protect against threats such as unauthorized access, data breaches, and denial-of-service attacks. Certainly! Here's an explanation of various attacks that can occur on each layer of the OSI model: 1. Physical Layer: Eavesdropping/Tapping: Unauthorized individuals intercept and listen to data being transmitted over the physical medium, such as cables or wireless signals. Physical Tampering: Attackers physically access network

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