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Gagan G Saralaya (@GaganG) | Hashnode

@GaganG

Gagan G Saralaya

@GaganG

Just a coder building cool stuff.

Joined July 2023

About

I'm passionate about coding and enjoy working with embedded systems, app development, and compiler design.

Gagan G Saralaya's blogs

Gagan's bloggagang.hashnode.dev53 posts

About

I'm passionate about coding and enjoy working with embedded systems, app development, and compiler design.

Gagan G Saralaya's blogs

Gagan's bloggagang.hashnode.dev53 posts

Recently published

gagang.hashnode.dev

Basic Networking Commands

Networking 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 ...

6d ago·5 min read

gagang.hashnode.dev

Cryptography Encryption Algorithms

Caesar 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 24·8 min read

gagang.hashnode.dev

Tips for public speaking and presentation

I 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

gagang.hashnode.dev

Common tools for reconnaissance

The 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

gagang.hashnode.dev

Notes on different Cisco operating systems and their uses

There 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