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Backend and infrastructure
Replacing OpenLens: why I kept K9s, Headlamp, and KubenavOpenLens is no longer maintained. I tested 13 Kubernetes dashboards and kept three: K9s, Headlamp, and Kubenav.
7 min readkubernetesdevopsBackend and infrastructure
Hardening high-traffic WordPress at Nginx: rate limits, microcachingScrapers on XML-RPC and login brute force drain php-fpm workers. Nginx rules for WordPress multisite: edge filters, tiered rate limits, microcaching and buffer tuning.
Projects
A WordPress plugin that throttles Facebook's link-preview crawlerFacebook's crawler had a friend's shared host threatening suspension. The plugin throttles each URL, answers 429 with Retry-After and lets images through.
Projects
Building a Bangladesh tax calculator after a costly 2020 tax billIn 2020 I paid far more tax than expected because I didn't know the rebate rules. So I built an open-source Bangladesh calculator with year-wise slabs and rebate math.
