Exploring Python Concepts with One ProgramWhile learning Python, I noticed that most examples explain only one concept at a time. To understand how different features work together, I wrote a small program that combines multiple Python topicsJul 22, 2026·5 min read
Python Library and what they doimport os - Is used to traverse through various files and create files or folders. import linecache- Is a library used to go to a specific line in a txt file, this is faster than binary search. line=lMay 7, 2026·3 min read·7
Basic Networking CommandsNetworking commands help us check internet connection, find IP addresses, and fix network problems. Below are some common commands and what they do. ARP Command arp -rThis clears the ARP cache. It removes saved IP and MAC address entries. arp -aThis ...Feb 17, 2026·5 min read·9
Cryptography Encryption AlgorithmsCaesar Cipher The Caesar Cipher in fact belongs to the oldest encrypting methods. The cipher involves the shifting of each letter in the plaintext by a certain number of places down or up within the alphabet. For instance, if the shifting number is 3...Jan 24, 2026·8 min read·4
Tips for public speaking and presentationI just completed a Linked Learning course by Laura Bergells on public speaking king and here are my notes for it. I highly recommend it to everyone to watch the videos and take the quiz. Public speaking notes Who are my audience, do research on audie...Nov 3, 2025·5 min read
Common tools for reconnaissanceThe harvester It collects public information about target domain sudo apt install theharvester restfulHarvest -h Exiftool sudo apt install libimage-exiftool-perl This gets the metadata of the image. exiftool -ext jpg -r /path/to/dir searches for...Oct 28, 2025·1 min read·6
Notes on different Cisco operating systems and their usesThere are different operating systems for different environments. Cisco IOS XE Software: OS commonly used in enterprise networks. Supports features important for programmability and high availability, making it ideal for business applications. C...Aug 21, 2025·5 min read·133
