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AI for IT

How IT teams use AI, how to do it well, and what it means for your job. Written for people who keep the systems and laptops working, not people who build models.

343 articles · Updated Nov 12, 2026
A person holds a physical GPU on a desk next to a very long printed receipt, pointing a red pen at a specific line item.
Local AI ·

Buy GPUs or Rent Cloud AI? The Real Break-Even Math

Is it cheaper to buy GPUs or rent cloud AI for internal tools? The break-even is lower than you think. Here's the real math and a decision framework.

buy vs rent GPUcloud GPU coston-prem GPU vs cloud
Tiny figurines plug network cables into the ports of a giant server rack.
Build vs Buy Software ·

Easy Self-Hosting Alternatives to Big Tech SaaS in 2026

Coolify, Umbrel, and other turn-key platforms make self-hosting practical. What's driving the shift, what you can replace today, and the real costs.

self-hosting alternativesself-hosted SaaS replacementsCoolify
A 3D rendering of a digital skills file window encased in a thick, physical brushed-steel bezel to represent strict runtime security and governance.
AI Security & Safety ·

How to Secure AI Agents and Skills Files

SKILL.md files carry full agent privileges and most go unreviewed. Here's the step-by-step framework to inventory, scan, and govern them like production code.

how to secure ai agentsAI skills files securitySKILL.md security
A 3D illustration of a single computer graphics card on a minimal background, with a cursor dragging a text file of code directly into its cooling fan.
Local AI ·

The Best Local Open-Source LLM for Coding in 2026

Five Apache-licensed local coding models that match GPT-4o on benchmarks, run on one GPU, and cost nothing per token. A practical buyer's guide.

best local open source LLM for codinglocal coding modelsQwen2.5-Coder
An oversized computer cursor replaces the mechanical dial of a vintage rotary phone with a glowing digital smart home interface.
Local AI ·

How Developers Reuse Old Hardware with Local AI Scripts

Learn how developers turn rotary phones, old laptops, Kindles, and spare phones into a subscription-free smart home using open-source local AI scripts.

reuse old hardware local AIlocal-first smart homeFrigate NVR
A person welds together a custom dashboard from glowing glass panels, while a generic store-bought dashboard leaks red ink onto the desk beside them.
Build vs Buy Software ·

Niche SaaS Is Bleeding Out as Clients Build It Themselves

AI coding agents let teams replace mid-priced SaaS in days, not weeks. Here's the data on who's building, who's buying, and what still needs a vendor.

build vs buy internal tools with AIAI coding agents replace SaaSinternal tools with AI
A person peels the yellowed, faded top layer off a continuous legacy code printout to reveal clean, glowing modern code underneath.
Build vs Buy Software ·

5 Legacy Codebases AI Can Now Modernize and Let You Own

From 1993 Amiga assembly to 220 billion lines of COBOL, AI now automates the expensive part of modernization: understanding old code. Here's the proof.

AI legacy code modernizationmodernize COBOL with AIAI code migration
Tiny figurines compare price tags attached to a giant ID card.
Build vs Buy Software ·

Building vs. Buying Identity Verification: The Real Cost Comparison

Per-check pricing makes buying identity verification look cheap. The IDScan and IDMerit breaches show what that price leaves out. Here is the real math.

cost of building vs buying identity verificationidentity verification SaaS breachKYC build vs buy
A standard home network router where miniature brass plumbing valves are attached to each of the ethernet ports to manually shut off the flow of trackers.
Build vs Buy Software ·

How to Block Network Trackers With DNS

ISPs and IoT devices monetize every DNS query by default. Here's how self-hosted and protective DNS filtering block trackers network-wide.

block network trackers dnspi-hole setupprotective dns