What Is DNS? How the Domain Name System Works
How DNS turns domain names into IP addresses: resolvers, root and TLD servers, record types, TTL and propagation, plus dig commands to check yours.
Ucartz Blog
Guides, News & Insights
Hosting, servers, streaming, AI and automation: practical tutorials and updates from the Ucartz team.
What Is TCP? How the Transmission Control Protocol Works
TCP explained: the three-way handshake, ports, connection states and TCP vs UDP, with real tcpdump and ss output and commands to check your server.
Bash for Loop: Syntax and Examples for Server Admins
How the Bash for loop works: lists, ranges, C-style counters, files, arrays and break/continue, with tested examples and the mistakes to avoid.
Gaming VPS Server vs Dedicated Game Server vs Hosting at Home
Gaming VPS, dedicated game server or hosting at home? Compare uptime, ports, carrier-grade NAT, DDoS exposure and CPU steal time, and how to choose.
WordPress on a VPS: When to Move, Which Stack, What to Cache
When WordPress on a VPS beats shared hosting, which stack to install, how page, object and OPcache caching help, and how to size PHP-FPM…
Linux VPS Hosting: Choosing a Distro and Your First Steps
Ubuntu, Debian, AlmaLinux or Rocky Linux for your Linux VPS, and the first steps after deployment: sudo user, SSH keys, firewall and automatic updates.
Unmetered vs Unlimited Bandwidth on Dedicated Servers
What unmetered and unlimited bandwidth really mean on a dedicated server, how much a 1 Gbps port can carry, and how to estimate and…
Netherlands Dedicated Server: EU Latency, GDPR and What to Check
Why host a dedicated server in the Netherlands: round-trip times across Europe, what GDPR does and does not change, common uses and what to…
Dedicated Server in Singapore: Latency, Uses and What to Check
Why host a dedicated server in Singapore: round-trip times across Asia-Pacific, common uses, the PDPA transfer rule and a checklist before you order.
Server Maintenance Checklist: Daily, Weekly, Monthly and Yearly
A practical server maintenance checklist with Linux commands: daily health checks, weekly updates and disk checks, monthly restore tests, yearly reviews.
GPU Dedicated Servers: How to Choose by Workload and GPU Memory
How to choose a GPU dedicated server for AI inference, training, rendering or video transcoding: GPU memory maths, NVENC support and what else to…
VPS Hosting in the USA: Latency, Use Cases and What to Check
When a USA VPS makes sense: round-trip times from the US to Europe, Asia and Australia, who it suits, KVM basics and what to…
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