Software development
Legacy system modernisation without disrupting the business
A practical guide to legacy system modernisation: the seven options, the strangler-fig pattern, and the risk controls that avoid a big-bang cutover.
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Practical guides on cloud servers, DevOps, custom software and healthcare technology — written by the engineers who do the work.
Comparisons
OVHcloud vs AWS vs DigitalOcean for small and mid-sized businesses: cost, complexity and when each wins
OVHcloud vs AWS vs DigitalOcean for SMEs: how each charges for servers and traffic, a dated cost example, the skills needed and when each wins.
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Linux server hardening checklist (2026)
A 14-step Ubuntu/Debian server hardening checklist: updates, SSH, firewall, fail2ban, auditd and backups, with commands to verify each control.
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Infrastructure as Code with Terraform: a practical starter for growing teams
A practical starter for infrastructure as code with Terraform: project layout, remote state, modules, secrets, CI and a correct minimal example.
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MVP development: scope, build and launch in 8–12 weeks
A practical guide to MVP development: how to scope with must/should/could, what to build first, what to cut, and how to measure success after launch.
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99.9% vs 99.99% uptime: SLAs, SLOs and what downtime really costs
What 99.9% uptime actually means in minutes of downtime, how SLA, SLO and SLI differ, and a simple way to work out what an outage costs you.
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Monitoring vs observability for small teams: alerts that matter
The difference between monitoring and observability, the golden signals worth watching, and a fair open-source stack that won't cause alert fatigue.
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Payment gateway integration in Nepal: eSewa, Khalti, Fonepay and connectIPS
A practical guide to payment gateway integration Nepal merchants use: how eSewa, Khalti, Fonepay and connectIPS work, verify payments and compare.
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Zero-downtime deployments: blue-green, rolling and canary explained
How to achieve zero downtime deployment with blue-green, rolling and canary strategies, health checks, database migrations and a working nginx example.
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