Tunas Akara

Blog

Project notes and guides to technology decisions, costs, and risks in business operations.

125 articles found

8 min read

For Business

RAID Is Not a Backup: Risks and Recovery Costs

RAID buys uptime, not recoverability. The rebuild math, the failure modes it never covered, and why array recovery bills by the disk.

raidbackupdata-recovery
8 min read

For Technical Teams

Why SD Cards Fail in Field Devices

Consumer SD cards fail in the field for reasons that are not bad luck. The fix is a write budget and a read-only rootfs, not a bigger card.

iotedgestorage
7 min read

For Technical Teams

SBOMs: Check Licenses Before Software Delivery

A build carries a thousand licenses. An SBOM plus a policy gate in CI is how you find the three that will cause a problem at delivery.

licensingsbomcompliance
8 min read

For Technical Teams

SNMP for CCTV: Check the Camera and Its Video

A video analytics deployment is only as good as its cameras being alive. SNMP polling with net-snmp plus RTSP frame-age checks catches the ones that aren't.

cctvsnmpmonitoring
8 min read

For Business

Why AI Coding Pilots Stall Before Production

Assess AI coding pilots through business value, code quality, and safe access before expanding them into client work.

agentic-aigovernancecompliance
8 min read

For Business

Bus Factor: When One Person Is the Single Point of Failure

What happens when the only person who knows the deploy process, the vault password, or the vendor contact walks out the door.

bus-factorrisk-managementdocumentation
8 min read

For Business

ESP32 Retrofit: Costs and Risks of Vendor Lock-In

A $120k bowling system replaced with $1,600 in ESP32s. What that HN thread says about vendor lock-in, and how to scope a retrofit safely.

vendor-lock-iniotretrofit
8 min read

For Business

QRIS MDR on 1 October 2026: Integration Checks

BI's Oct 1 QRIS MDR expansion isn't just a fee cut. It's a fee-logic change your POS and gateway integration has to handle correctly.

qrispaymentsfintech
6 min read

For Business

UU PDP Fines in 2026: Business Obligations Remain

The 2026 criminal fine adjustment does not remove data-protection duties. Review access, retention, vendor contracts, and incident procedures.

uu-pdpdata-protectioncompliance
6 min read

For Technical Teams

CCTV Firmware Hardening Before Commissioning

Check CCTV accounts, firmware, stream authentication, network access, and logs before commissioning; adapt the checklist to each model.

cctviot-securityfirmware
7 min read

For Business

Cloudflare Outages: Checking Shared Vendor Dependencies

20 status-page incidents in 8 days at Cloudflare, and the credential-rotation slip that caused an earlier one. What SMEs should check.

cloudflarereliabilityvendor-risk
8 min read

For Business

99.9% Uptime SLA: What Does Your Vendor Promise?

Translate SLA percentages into real downtime, learn what credits actually cover, and use an error budget instead of shopping for more nines.

slauptimereliability