Author

Mathumathiv

@mathumathiv247

articles: 10
total claps: 88
top claps: 47
avg read: 4.0 min
active: 2026-02-02 → 2026-06-27

Wiki topics

☁️ · DevOps & Cloud · 9 EVAL · Evaluation & Benchmarks · 1 🧘 · Spirituality · 1 🔓 · Open Source · 1 🚀 · Self Improvement · 1 STP · Startups & Venture · 1 BIZ · Business Strategy · 1 SOC · Sociology & Politics · 1

Top tags

#devops ·7 #platform-engineering ·4 #kubernetes ·3 #yaml ·3 #networking ·2 #helm ·2 #secrets ·2 #firewall ·1 #security ·1 #securitygroup ·1

TCH

MA Mathumathiv

Firewalls & Security Groups — Traffic Control 101

“Why can’t I connect?”

Mar 16, 2026 · 5 min read · 47 claps #firewall #security #securitygroup

Firewalls & Security Groups — Traffic Control 101

TCH

MA Mathumathiv

Stop Provisioning Access One User at a Time

Why mapping identity-provider groups to roles beats handing out permissions by hand — and the one rule that keeps it from quietly going…

Jun 21, 2026 · 3 min read · 24 claps #users #user-group #provisioning

Stop Provisioning Access One User at a Time

ECO TCH HUM

MA Mathumathiv

Service Mesh & Network Policies — Advanced Traffic Management

“We need mTLS between all services.” “How do we do canary deployments?” “Can we trace requests across microservices?”

Mar 21, 2026 · 5 min read · 13 claps #service-mesh #network-policies #devops

Service Mesh & Network Policies — Advanced Traffic Management

LIF ECO

MA Mathumathiv

Resilience Matters As Much As Uptime

Every founder dreams of a product that never breaks. No incidents. No 3 AM pages. No angry tweets. Just a quiet, perfect machine humming…

Jun 27, 2026 · 4 min read · 2 claps #uptime #resilience #incident

TCH

MA Mathumathiv

Load Balancers — L4 vs L7 Explained

“Just put a load balancer in front of it.”

Mar 15, 2026 · 5 min read · 1 claps #load-balancer #alb #nlb

TCH

MA Mathumathiv

My .bashrc Has 47 Aliases — Here Are the 10 That Matter

I’ll admit it. My .bashrc is bloated. Years of "oh this will be useful" additions. Half of them I forgot existed.

Feb 14, 2026 · 3 min read · 1 claps #devops #linux #alias

My .bashrc Has 47 Aliases — Here Are the 10 That Matter

TCH

MA Mathumathiv

Helm Templating Pitfalls I Wish Someone Warned Me About

I’ve mass mass hours staring at Helm errors that made no sense. Values that should exist returning empty. YAML that looked perfect but…

Feb 02, 2026 · 6 min read · 0 claps #helm #kubernetes #devops

Helm Templating Pitfalls I Wish Someone Warned Me About

TCH

MA Mathumathiv

IP Addresses & Subnets — CIDR Demystified

“What’s a /24?”

Mar 13, 2026 · 3 min read · 0 claps #cidr #ip-address #subnet

IP Addresses & Subnets — CIDR Demystified

TCH AI SPR

MA Mathumathiv

Default Off: Shipping Infra Changes Without Breaking Everyone Else

How an “opt-in overlay” lets you roll a new platform capability out to dozens of environments without a single midnight rollback.

Jun 14, 2026 · 3 min read · 0 claps #opt-in #kubernetes #helm

Default Off: Shipping Infra Changes Without Breaking Everyone Else

TCH

MA Mathumathiv

Your Secrets Don’t Belong in Your Deploy Manifests

How externalizing secrets turns rotation, multi-environment sprawl, and the dreaded “redeploy to change a password” into non-events.

Jun 13, 2026 · 3 min read · 0 claps #secrets #manager-secrets #json