llm How to Save Tokens and Write Better Prompts When Using AI Coding Assistants
Practical tips to reduce token exhaustion and get more useful responses from AI coding tools.
llm ci-cd How to achieve CI CD on Mobile Applications
Dynamic instrumentation is the technique to tweak the application at runtime and analyze the application behaviour.
jenkins How to deploy Jenkins with SSL
It has been quiet sometime since I got my hands dirty, so here we go today!! Recently we had a use-case where we needed to setup a Jenkins server on a public network for some POC and we as DevOps could not bear the fact that the traffic exiting from our network is in plain text. Hence we wanted to d
tooling Upgrading Sublime Text
You can point the URL to the latest available Sublime Text package.
resume Resume
Deepak Gupta — Lead DevSecOps Engineer. Working across banking, gaming, e-commerce and telecom since 2011: secure CI/CD, Kubernetes, MLOps and Observability.
linux Exploring the Linux top Command
A practical guide to reading and using the top command for Linux performance monitoring.
vagrant Vagrant with QEMU/KVM on Linux
How to use Vagrant with the QEMU/KVM provider instead of VirtualBox for faster local VMs on Linux.
networking DNS Explained
A plain-language walkthrough of how DNS works — from query to resolution.
ssl Generating SSL Certificates
Step-by-step guide to generating self-signed and CA-signed SSL certificates on Linux.
linux Working with aureport — Linux Audit Log Analysis
How to use aureport to summarise and query the Linux audit daemon logs for security analysis.
linux Understanding DNS Records (A, CNAME, MX, TXT)
A clear breakdown of the most important DNS record types and when to use each one.
linux Understanding LVM Basics on Linux
A practical introduction to LVM — physical volumes, volume groups, logical volumes, and how to manage them.