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SRE

Illustration of a laptop and browser windows on a deep crimson background crossed with red circuit-like lines

Read Blog

How to fix the eMudhra CA compromise on macOS

Saurabh Hirani

Principal SRE @One2N

Spandan Ghosh

Content @One2N

How to fix the eMudhra CA compromise on a Mac: clean the CA bundles curl reads, update Node, Python, Go and Java, and prove each fix with a probe.

October 22, 2026 | 12 min read

Illustration on a navy background of a terminal running exec 3<>/dev/tcp/host/443, cabled into a network socket, next to a dashed folder labelled /dev/tcp that does not exist

Read Blog

How to test TCP connectivity without curl using bash /dev/tcp

Saurabh Hirani

Principal SRE @One2N

No curl, wget or nc on a locked-down box? Use bash /dev/tcp to check if a port is open and read HTTP endpoints, and learn why it fails in zsh.

October 1, 2026 | 7 min read

Illustration of a wall clock at 2:00 beside versioned policy cards v17 and v18 with a W+1 window token tag, above a stream of events

Read Blog

Temporal versioning to stop config drift in stream processing

Kalpesh Deo

Staff software engineer-II @One2N

How temporal versioning with effective-time configuration and window tokens stops configuration drift across tenant time zones, rollovers and event replay.

September 30, 2026 | 13 min read

Read Blog

Why your EKS Auto Mode NodeClass keeps reverting to default

Ananya Dasgupta

SRE @One2N

EKS Auto Mode reverted our default NodeClass after Argo CD synced secondary CIDR pod subnets. Why Auto Mode owns that object and what to change instead.

September 21, 2026 | 6 min read

Read Blog

OpenSearch Workload Management (WLM) for heavy search queries

Srivatsa RV

SRE @One2N

OpenSearch Workload Management puts heavy report queries and product search in separate workload groups with CPU, memory, timeout and shard limits.

September 10, 2026 | 6 min read

Read Blog

How to evaluate AI SRE agents for production?

Hemant Kumar

Staff SRE @One2N

How we evaluate AI SRE agents before they touch a production incident, applied to an OpenSRE v0.1 PoC and scored on how fast it helps isolate a fault.

August 11, 2026 | 12 min read

Read Blog

Conway's Law as a lever to fix legacy architectures

Chinmay Naik

CEO @One2N

Conway's law says architecture mirrors team communication. A shared policy database showed it; the Reverse Conway Maneuver helps refactor legacy systems.

July 8, 2026 | 6 min read

Read Blog

Hardening Kubernetes security with Istio ambient mode on flat networks

Harshwardhan Mehrotra

SRE @One2N

Spandan Ghosh

Content @One2N

Istio Ambient mode on a flat EKS Hybrid network: how we rebuilt workload isolation with mTLS, SPIFFE identity, egress control and NetworkPolicies.

June 1, 2026 | 7 min read

Read Blog

Git was not built for multiple AI agents. Worktrees fix that.

Srivatsa RV

SRE @One2N

Spandan Ghosh

Content @One2N

Git worktrees for agentic development: give each AI coding agent its own folder and branch on one repo, so parallel chats stop fighting over one checkout.

May 26, 2026 | 6 min read

Read Blog

Building Observable Go APIs With OpenTelemetry & Prometheus

Spandan Ghosh

Content @One2N

A hands-on guide to Go API observability using OTEL and Prometheus, structured logs, metrics, distributed traces, and correlation IDs baked in from day zero.

May 23, 2026 | 6 min read

Read Blog

How one parameter stalled Postgres replication with Debezium for 3 weeks

Harsh Mishra

SRE

A story about WAL segments, missing events, and the one line of SQL that should have been there from the start.

April 28, 2026 | 7 min read

Read Blog

Multi-tenant SFTP: how we built a zero-ops setup on AWS Transfer Family

Kshitish Deshpande

Software Engineer @One2N

Spandan Ghosh

Content @One2N

How One2N built a zero-ops multi-tenant SFTP system for a fintech client using AWS Transfer Family: one endpoint, isolated buckets, no manual server ops.

April 20, 2026 | 6 min read

Recent talks

Watch Talk

Token Economics, Paisa, Prompts & Production | Entain Tech Brews

Srivatsa RV

SRE @One2N

Biswa Prakash Mishra

SRE @One2N

Srivatsa RV and Biswa explain token economics and token optimization for LLM applications, from prefill versus decode cost to production tradeoffs.

August 22, 2026 | 32 Minutes

Watch Talk

AI Enabled SDLC | Entain Tech Brews

Jaideep Khandelwal

CTO @One2N

Jaideep Khandelwal shows how to turn vibe coding with AI into a disciplined, AI-enabled SDLC that engineering teams can trust in production.

May 9, 2026 | 46 Minutes

Watch Talk

Talking to Coding Agents from Neovim

Saurabh Hirani

Principal SRE @One2N

Saurabh Hirani explains how Neovim talks to CLI coding agents like Claude Code and OpenCode, and why the same patterns work in any editor.

April 11, 2026 | 46 Minutes

Watch Talk

Migrating a Fintech Analytics Stack to Open Source - FOSS Meetup Pune

Kshitish Deshpande

Software Engineer @One2N

How One2N moved a fintech processing 50 to 70M USD daily from AWS Glue and Athena to a self-hosted ClickHouse stack, cutting infra costs dramatically.

March 28, 2026 | 26 Minutes

Watch Talk

Kubernetes for Hybrid Cloud Environments - #60 Kubernetes Pune Meetup

Harshwardhan Mehrotra

SRE @One2N

How One2N designed an EKS hybrid setup for a betting platform across 40 data centers with strict data residency and latency requirements.

March 28, 2026 | 40 Minutes

Watch Talk

Platform Engineering Strategy: Scaling from 5 to 500 Engineers | One2N Bits Ep. 6

Jaideep Khandelwal

CTO @One2N

Srivatsa RV

SRE @One2N

When do you actually need a platform team? Srivatsa and Jaideep break down platform engineering from first principles: culture, org size, and adoption.

March 20, 2026 | 34 Minutes

Watch Talk

Token Economics, Paisa, Prompts & Production | Entain Tech Brews

Srivatsa RV

SRE @One2N

Biswa Prakash Mishra

SRE @One2N

Srivatsa RV and Biswa explain token economics and token optimization for LLM applications, from prefill versus decode cost to production tradeoffs.

August 22, 2026 | 32 Minutes

Watch Talk

AI Enabled SDLC | Entain Tech Brews

Jaideep Khandelwal

CTO @One2N

Jaideep Khandelwal shows how to turn vibe coding with AI into a disciplined, AI-enabled SDLC that engineering teams can trust in production.

May 9, 2026 | 46 Minutes

Watch Talk

Talking to Coding Agents from Neovim

Saurabh Hirani

Principal SRE @One2N

Saurabh Hirani explains how Neovim talks to CLI coding agents like Claude Code and OpenCode, and why the same patterns work in any editor.

April 11, 2026 | 46 Minutes

Watch Talk

Migrating a Fintech Analytics Stack to Open Source - FOSS Meetup Pune

Kshitish Deshpande

Software Engineer @One2N

How One2N moved a fintech processing 50 to 70M USD daily from AWS Glue and Athena to a self-hosted ClickHouse stack, cutting infra costs dramatically.

March 28, 2026 | 26 Minutes

Watch Talk

Kubernetes for Hybrid Cloud Environments - #60 Kubernetes Pune Meetup

Harshwardhan Mehrotra

SRE @One2N

How One2N designed an EKS hybrid setup for a betting platform across 40 data centers with strict data residency and latency requirements.

March 28, 2026 | 40 Minutes

Watch Talk

Platform Engineering Strategy: Scaling from 5 to 500 Engineers | One2N Bits Ep. 6

Jaideep Khandelwal

CTO @One2N

Srivatsa RV

SRE @One2N

When do you actually need a platform team? Srivatsa and Jaideep break down platform engineering from first principles: culture, org size, and adoption.

March 20, 2026 | 34 Minutes

Watch Talk

Solving Synthetic Data generation using LLMs | mitramandal.ai EP2 - 2026

Chinmay Naik

CEO @One2N

Chinmay Naik explains how One2N solved synthetic data generation with LLMs: the use cases behind it and why simple anonymization falls short.

February 21, 2026 | 36 Minutes

Watch Talk

.zshrc tmuxinator tease | Command Line Heroes EP3 - Bengaluru

Saurabh Hirani

Principal SRE @One2N

Saurabh Hirani, Principal SRE at One2N, walks through a real debugging story from Command Line Heroes in Bengaluru, from .zshrc to tmuxinator.

January 31, 2026 | 35 Minutes

Watch Talk

The implications of AI in the SRE world | One2N Bits Ep.5

Jaideep Khandelwal

CTO @One2N

Saurabh Hirani

Principal SRE @One2N

Saurabh Hirani and Jaideep Khandelwal break down what it takes for AI to be genuinely useful in SRE, beyond incident bots and code completion.

January 5, 2026 | 15 Minutes

Watch Talk

Using LLMs to Improve Incident Response Times | mitramandal.ai - 2025

Jaideep Khandelwal

CTO @One2N

A talk from mitramandal.ai, One2N's AI meetup, on using LLMs to improve incident response times in real engineering workflows.

December 6, 2025 | 37 Minutes

Watch Talk

Token Economics, Paisa, Prompts & Production | Entain Tech Brews

Srivatsa RV

SRE @One2N

Biswa Prakash Mishra

SRE @One2N

Srivatsa RV and Biswa explain token economics and token optimization for LLM applications, from prefill versus decode cost to production tradeoffs.

August 22, 2026 | 32 Minutes

Watch Talk

AI Enabled SDLC | Entain Tech Brews

Jaideep Khandelwal

CTO @One2N

Jaideep Khandelwal shows how to turn vibe coding with AI into a disciplined, AI-enabled SDLC that engineering teams can trust in production.

May 9, 2026 | 46 Minutes

Watch Talk

Talking to Coding Agents from Neovim

Saurabh Hirani

Principal SRE @One2N

Saurabh Hirani explains how Neovim talks to CLI coding agents like Claude Code and OpenCode, and why the same patterns work in any editor.

April 11, 2026 | 46 Minutes

Watch Talk

Migrating a Fintech Analytics Stack to Open Source - FOSS Meetup Pune

Kshitish Deshpande

Software Engineer @One2N

How One2N moved a fintech processing 50 to 70M USD daily from AWS Glue and Athena to a self-hosted ClickHouse stack, cutting infra costs dramatically.

March 28, 2026 | 26 Minutes

Watch Talk

Kubernetes for Hybrid Cloud Environments - #60 Kubernetes Pune Meetup

Harshwardhan Mehrotra

SRE @One2N

How One2N designed an EKS hybrid setup for a betting platform across 40 data centers with strict data residency and latency requirements.

March 28, 2026 | 40 Minutes

Watch Talk

Platform Engineering Strategy: Scaling from 5 to 500 Engineers | One2N Bits Ep. 6

Jaideep Khandelwal

CTO @One2N

Srivatsa RV

SRE @One2N

When do you actually need a platform team? Srivatsa and Jaideep break down platform engineering from first principles: culture, org size, and adoption.

March 20, 2026 | 34 Minutes

Watch Talk

Solving Synthetic Data generation using LLMs | mitramandal.ai EP2 - 2026

Chinmay Naik

CEO @One2N

Chinmay Naik explains how One2N solved synthetic data generation with LLMs: the use cases behind it and why simple anonymization falls short.

February 21, 2026 | 36 Minutes

Watch Talk

.zshrc tmuxinator tease | Command Line Heroes EP3 - Bengaluru

Saurabh Hirani

Principal SRE @One2N

Saurabh Hirani, Principal SRE at One2N, walks through a real debugging story from Command Line Heroes in Bengaluru, from .zshrc to tmuxinator.

January 31, 2026 | 35 Minutes

Talks

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