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Cover illustration for Deploying a scalable NATS cluster part 2: hands-on demo

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Deploying a scalable NATS cluster part 2: hands-on demo
Portrait of Barun Debnath, SRE

Barun Debnath

SRE

Portrait of Spandan Ghosh, Content at One2N

Spandan Ghosh

Content @One2N

Deploy a four-node NATS cluster with Docker, JetStream stream replication, dead letter queues and Prometheus and Grafana dashboards, then load test it.

Cover illustration for What happens when you run Terraform commands?

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What happens when you run Terraform commands?
Portrait of Sahil Joseph, Staff SRE at One2N

Sahil Joseph

Staff SRE @One2N

Portrait of Saurabh Hirani, Principal SRE at One2N

Saurabh Hirani

Principal SRE @One2N

What happens when you run Terraform commands: how Terraform core talks to provider plugins over gRPC, credential handling, state locking and debugging.

Cover illustration for Deploying a scalable NATS cluster, part 1: core architecture

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Deploying a scalable NATS cluster, part 1: core architecture
Portrait of Barun Debnath, SRE

Barun Debnath

SRE

NATS cluster architecture, part 1: pub-sub and queue groups, JetStream persistence, cluster, super cluster and leaf node topologies, and what to plan for.

Cover illustration for GitHub runners fundamentals and self-hosted runner setup

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GitHub runners fundamentals and self-hosted runner setup
Portrait of Rajesh Jangid, SRE

Rajesh Jangid

SRE

Portrait of Spandan Ghosh, Content at One2N

Spandan Ghosh

Content @One2N

What GitHub runners are, how GitHub-hosted and self-hosted runners differ, and how to set up a self-hosted GitHub Actions runner.

Cover illustration for Using UTM and Vagrant for dev environments on Apple Silicon

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Using UTM and Vagrant for dev environments on Apple Silicon
Portrait of Srivatsa RV, SRE at One2N

Srivatsa RV

SRE @One2N

Portrait of Spandan Ghosh, Content at One2N

Spandan Ghosh

Content @One2N

VirtualBox no longer supports M-series Macs. How to run Vagrant with UTM to spin up reproducible local dev environments on Apple Silicon, tested on an M3.

Cover illustration for Exposing SaaS APIs privately to customers with AWS PrivateLink

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Exposing SaaS APIs privately to customers with AWS PrivateLink
Portrait of Siddharth Mishra, SRE

Siddharth Mishra

SRE

Expose SaaS API endpoints privately with AWS PrivateLink, not VPC peering, which breaks on overlapping CIDRs. Same-region latency fell from 0.21s to 0.08s.

Cover illustration for Centralized VPN solutions for cloud and on-premise

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Centralized VPN solutions for cloud and on-premise
Portrait of Sagar Rakshe, SRE

Sagar Rakshe

SRE

A centralized VPN for cloud and on-premise networks: how a Pritunl cluster replaced shared OpenVPN profiles and cut a client's VPN issues by more than 90%.

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