Guides

Practical guides on cabling, Wi-Fi, firewalls, CCTV, UPS and backup, for IT managers in Laos who have to justify every purchase.

Buying guidesBasic7 min read

Access Control: Card, Fingerprint or Face, and Which Door Gets Which?

125 kHz and MIFARE Classic cards are easy to clone. Comparing encrypted cards, fingerprint, face and mobile credentials, plus OSDP, electric locks and a worked…

AIBasic9 min read

A Data Privacy Checklist Before You Put Company Documents Into Any AI

Before staff paste a contract, invoice or customer list into any AI tool, there is a sequence to check: classify the document, know where the AI runs, who holds an…

AIIntermediate8 min read

AI and the Lao Language: What to Test Before You Trust It

What to test before trusting AI with Lao: printed vs handwritten, scan/photo quality, mixed Lao-Thai-English, numbers/dates/names, tone marks and ໜ ໝ ຳ, speech with…

AIBasic8 min read

Using AI-Generated Images and Video in Marketing Honestly

AI images and video can help marketing when used honestly: label them as AI-generated, never present them as the real product, venue or result, get permission before any…

CCTVIntermediate7 min read

AI Video Analytics: What Actually Works for Mines, Factories and Shops in Laos

Intrusion detection, plate reading, PPE checks, people counting and natural-language search: what delivers, where the limits are, edge versus server, and how to run a…

SecurityIntermediate7 min read

Antivirus vs EDR: The Real Difference, and the Question That Matters More Than Brand

What AV, NGAV, EDR, XDR and MDR each do, what each vendor calls its tiers in 2026, why EDR with nobody watching the alerts achieves little, and how to deploy it without…

SecurityBasic7 min read

The 3-2-1 Backup Rule (and 3-2-1-1-0) in Practice

The backup rule used worldwide, why ransomware added the extra "1" and "0", how to set RPO and RTO, a worked restore-time example, and how to make it work with Lao power…

NetworkingBasic8 min read

Cat6 vs Cat6A vs Fiber: Which Cable Goes Where

Cable in the walls outlives several generations of switches. Speed, distance and where to use Cat6, Cat6A and fiber, a worked quantity example, and how to accept a…

CCTVBasic7 min read

Choosing CCTV Resolution and Lenses So You Actually See Faces: DORI and Pixel Density

An 8MP camera won't help if the lens is wrong. Pixels per metre, the IEC 62676-4 DORI levels, mounting height and angle, night images, and a worked warehouse design.

WirelessIntermediate7 min read

Choosing Business Wi-Fi Access Points: What Matters Beyond the Box Speed

Wi-Fi 6, 6E or 7, cloud or controller, indoor or outdoor: what an engineer checks before ordering APs, including the 6 GHz and country-SKU question and a first estimate…

Buying guidesBasic7 min read

Choosing an IT Vendor in Laos: Questions to Ask Every Provider, Including Us

A neutral checklist for judging IT vendors: who actually does the work, where the equipment comes from, whether the warranty works in Laos, SLAs, documentation and red…

Buying guidesBasic8 min read

Digital Signage for Business: Displays, Players, CMS and Trilingual Content

Pick commercial displays by duty cycle and brightness, choose players and a CMS, schedule Lao/Thai/English content and keep the network secure.

SecurityIntermediate7 min read

SPF, DKIM and DMARC: Stop People Sending Mail as Your Domain

The three DNS records that tell the world which mail is really yours. Working examples for Microsoft 365 and Google Workspace, and a path to p=reject without losing your…

Buying guidesIntermediate7 min read

Fire Alarm Systems: Conventional vs Addressable

Zones vs addressable loops, detector types, panel sizing, standards, integration with door release and CCTV, and routine testing.

SecurityIntermediate7 min read

Sizing a Firewall: What Really Separates UTM from NGFW

Why the internet slows down after a new firewall goes in, which datasheet number to size against, and what to check before paying when the unit ships from Thailand to…

Buying guidesIntermediate7 min read

GPS Fleet Tracking for Mining Trucks: Coverage, Fuel, Drivers and Platforms

Choosing GPS trackers for heavy trucks in provinces with patchy coverage: store-and-forward, fuel sensors, CAN bus, driver ID, geofences and data retention.

WirelessIntermediate7 min read

Hotel Wi-Fi Design Guide: From Guest Rooms to Ballrooms and Garden Villas

In-room AP placement, a captive portal tied to the PMS, keeping guests away from hotel systems, a worked bandwidth example, and what is specific to hotels in Laos.

Solar & energyBasic7 min read

How to Choose a Solar Installer: The Buyer's Checklist

What should be in the quote and in the work itself: site survey, a bill of materials with brand and model, string design, commissioning tests, handover documents…

NetworkingIntermediate7 min read

Designing an Office Network: What to Decide Before You Buy Anything

The order of decisions an engineer follows when designing LAN, Wi-Fi, firewall and power for a 20–300 person office in Laos, with a checklist and a phased budget.

AIBasic8 min read

How to Run an AI Pilot, Step by Step

A step-by-step pilot: pick one task, collect 20–50 real samples, write pass criteria in advance, run side by side with the current way, review mistakes with staff…

SecurityIntermediate7 min read

A Cyber Incident Response Plan That Works at 2 a.m.

A 5–10 page plan structure based on NIST SP 800-61, who does what, a playbook for a hijacked mailbox, and how to rehearse it in two hours.

NetworkingIntermediate8 min read

Internet Redundancy with Dual ISPs: When the Fiber Gets Cut

Failover or load balancing, how to pick two providers that won't fail together, the equipment you need, and how to test failover so you know it really works.

CCTVBasic7 min read

IP or HD Analog CCTV (TVI/CVI/AHD): Which Makes More Sense for Your Building?

IP versus HD analog on cabling, distance, AI and growth. When old coax is still worth keeping, and when it's time to pull new Cat6.

CloudBasic7 min read

IT Asset Management Basics: Inventory, Lifecycle, Licences and Warranties

A practical start to IT asset management: what to record, how to tag, tracking licences and warranties, and choosing tools such as GLPI or Snipe-IT.

Buying guidesBasic7 min read

IT Budget Planning for SMEs: Stop Buying When Things Break, Start Ranking by Risk

Asset inventory, replacement cycles, CapEx versus OpEx, exchange-rate risk and a sample 3-year plan for a 50-person company in Laos.

NetworkingBasic7 min read

Managed vs Unmanaged Switches: Why Boxes That Look Alike Aren't

How unmanaged, smart and fully managed switches differ, when unmanaged is still fine, Layer 2 versus Layer 3, and the eight settings every managed switch should have.

CloudBasic7 min read

Microsoft 365 or Google Workspace: How Does Your Organisation Actually Work?

Email, documents, collaboration, security and device management compared, plus what to check before migrating, starting with who controls your domain's DNS.

Data centerIntermediate7 min read

NAS, SAN or Cloud: Where to Keep Company Data When the Internet Isn't Always Fast

How NAS, SAN and cloud differ on protocols, performance and cost, with real upload-time maths and a hybrid design that suits Lao internet links.

NetworkingBasic7 min read

Introduction to Network Monitoring: Know Before the Phone Rings

What to watch, what SNMP, syslog and NetFlow are each for, how to alert without exhausting the team, and how a mid-size organization in Laos can get started.

NetworkingBasic8 min read

Network Rack Layout and Labeling: So the Next Technician Finds the Cable in Five Minutes

Sizing the rack, laying out equipment, managing cables and a TIA-606 style labeling scheme, plus a maintenance schedule and advice for dusty, hot sites.

CCTVIntermediate7 min read

NVR Storage Calculation: How Many TB Do Your Cameras Really Need?

Working out recording storage from bitrate, camera count and retention days, with a 16-camera example, H.264 vs H.265, and RAID choices that don't fill up early.

SecurityBasic7 min read

Password Policy and MFA: Stop Forcing 90-Day Password Changes

Several classic password rules make organizations less secure. A policy based on the current NIST SP 800-63B, a comparison of MFA types, and a rollout order that works…

SecurityBasic7 min read

Phishing: A Guide for Every Employee, and for Whoever Runs the Training

The signs that an email, WhatsApp message or phone call is a scam, what to do after a wrong click, and how to run trilingual training people don't tune out.

NetworkingIntermediate8 min read

PoE Budget Explained: Powering Cameras and Access Points

Why cameras drop out at night when they worked fine all day: 802.3af/at/bt, how a switch actually allocates its PoE budget, and the UPS behind it.

AIBasic9 min read

Private AI vs Cloud AI: How to Choose for Your Organisation

What changes between running AI on your own server and using a public cloud AI service — data sensitivity, internet dependence, control and upkeep — with a simple…

SecurityBasic7 min read

Ransomware Checklist: Breaking the Attack at Each Stage

Ransomware is not a one-minute event. A checklist organized around the stages attackers actually go through, plus what to do in the first hour.

NetworkingAdvanced7 min read

SD-WAN vs MPLS: Connecting Provincial Branches to Head Office

MPLS, traditional IPsec VPN and SD-WAN compared for organizations with branches across several provinces, the questions to ask vendors, and a migration order that keeps…

SecurityIntermediate8 min read

Secure Remote Access: When VPN Is Enough and When to Move to ZTNA

How remote-access VPN and Zero Trust Network Access differ in practice, what to fix in your current VPN first, and how to handle vendors who want remote access.

Data centerIntermediate7 min read

Server Room Checklist for a Hot, Humid Climate: Power, Cooling, Security and Cabling

The checklist we actually use when building or fixing server rooms in Laos: brownouts, failed AC, flooding, dust, and the documentation nobody writes.

Solar & energyIntermediate7 min read

LiFePO4 Batteries for Solar: DoD, Cycles, BMS, Heat and Sizing

Why LiFePO4 has replaced most lead-acid in solar systems, how to read DoD, cycle ratings and warranties, what the BMS does, why heat matters in Laos, and how to size a…

Solar & energyBasic7 min read

Solar for Schools and Public Buildings: Design, Safety and Upkeep

Schools and offices use power in daylight, which is when solar produces. How to size from the load, choose zero-export on-grid, hybrid or off-grid for remote schools…

Solar & energyIntermediate8 min read

Solar Inverter Fault Codes: What the Owner Can Check and What Needs a Technician

The fault families every inverter brand shares: low insulation resistance, ground fault, grid voltage or frequency out of range, overtemperature, reverse polarity, arc…

Solar & energyIntermediate7 min read

Solar Inverter Types: String, Hybrid, Micro, C&I and Off-Grid Compared

How each inverter type works and where it fits, how to set the DC/AC ratio and match strings, and what to watch in the monitoring app so problems are caught early.

Solar & energyBasic8 min read

Solar O&M and Cleaning Checklist: Dust Season, Safe Cleaning and the Numbers to Watch

A cleaning schedule built around Lao seasons including the burning season, how to clean without damaging panels or people, monthly, quarterly and annual checklists…

Solar & energyBasic8 min read

On-Grid, Hybrid or Off-Grid Solar: Which System Fits Your Site?

How the three solar system types behave when the grid fails, what each needs on site, and how to choose for an office, factory, school or remote camp in Laos.

Solar & energyIntermediate8 min read

Roof Assessment Before Solar: Structure, Waterproofing, Wind, Shading and Orientation

The roof checklist we use on site for metal sheet, tile and concrete roofs: purlins and load, waterproofing, clamps and rails, wind, shading, tilt for Lao latitudes…

Solar & energyIntermediate7 min read

Solar System Sizing: From Your kWh Bill to kWp, Battery and Inverter

How to size panels, batteries and inverters from a monthly electricity bill and daytime load, with three worked examples: an on-grid office, a hybrid home and an…

Solar & energyIntermediate7 min read

Tier 1 Solar Panels Explained, and How to Read a Panel Datasheet

What Tier 1 tells you and what it does not, how to read Pmax tolerance, temperature coefficient, degradation and the two kinds of warranty, and how TOPCon, BC, HJT…

Data centerIntermediate8 min read

Sizing a UPS Properly: VA, Watts, Power Factor and Real Battery Runtime

Why some 3 kVA UPS units only deliver 1,800 W, how to choose between offline, line-interactive and online, how to estimate runtime realistically, and how to pair a UPS…

Data centerAdvanced7 min read

After Broadcom Bought VMware: Renew, or Move to Proxmox VE, Nutanix, Hyper-V or XCP-ng?

What changed in VMware licensing since 2023, an even-handed look at the alternatives, and an evaluation and migration process that keeps risk under control.

NetworkingBasic7 min read

VLAN Basics for Business: Keeping Guests, Cameras and Staff Apart

What a VLAN is, how 802.1Q tagging works, a sample VLAN/IP plan for a 100-person office, and how to migrate a live flat network without downtime.

SecurityIntermediate7 min read

Vulnerability Assessment or Penetration Test: Which Should Come First?

Two services that often get sold as one. The real difference, why most organizations should start with VA, how to scope the work, and how to tell a good report from…

WirelessIntermediate7 min read

Wi-Fi Security: WPA3, 802.1X and Guest Isolation That Actually Isolates

A Wi-Fi password taped to the wall and a guest SSID on the staff VLAN are what we find most. How to pick security modes, design SSIDs and VLANs, and move to WPA3 without…

WirelessIntermediate7 min read

Wi-Fi Site Survey Guide: Measure Before You Drill

Which kind of site survey to use, the RSSI/SNR targets we design to, what actually happens on survey day, and the report you should get at the end.

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