DNS Propagation: How the Internet Learns Where Your Website Lives
The modern internet depends on the Domain Name System, better known as DNS. Every website…
How to Read Latitude and Longitude on a Topographic Map
Topographic maps from JUPEM show coordinates like 101°59'0"E and 3°10'0"N along the border. Those are…
The Tactical Deployment of OsmAnd in Search and Rescue Operations
When a missing person incident escalates into a wilderness Search and Rescue (SAR) operation, standard…
The Swiss Army Multi-Tool: From Military Origin to 50 Practical Everyday Uses
The Victorinox Swiss Army Knife (SAK) is one of the most recognized design icons in…
Can You Use a Malaysian PMR Walkie Talkie Overseas?
Short answer: You can bring it, but you can’t always use it.Your PMR446 walkie talkie…
Tracking HamRadio.my Projects Uptime with uptime.hamradio.my
If you use any tools or services by 9M2PJU, there’s one link you should bookmark: https://uptime.hamradio.my/status/9m2pju…
Beyond the VPN: The Deep Engineering of Tailscale vs. Twingate
The traditional VPN is a centralized bottleneck. If your server is in New York and…
What is NextDNS?
For anyone serious about privacy, speed, and security, the "Modern DNS" debate usually boils down…
Transforming Your Old Raspberry Pi into a Smart Home Hub with DietPi
Do you have an old Raspberry Pi gathering dust? Instead of letting it go to…