https://treeru.com Insights and practical guides on web development, IT infrastructure, and AI solutions en admin@treeru.com (Treeru) admin@treeru.com (Treeru) Wed, 12 Aug 2026 11:35:02 GMT Treeru Next.js RSS Generator https://www.rssboard.org/rss-specification https://treeru.com/opengraph-image https://treeru.com 144 144 https://treeru.com/en/blog/cpu-only-llm-inference-xeon-256gb-benchmark No GPU, just an old Xeon server with 256GB of RAM — how many tokens per second can it really produce? We benchmarked 5 models from 120B down to 4B with llama.cpp. Hyper-threading cuts generation speed ~7x, memory bandwidth—not core count—decides throughput, and power draw rises only +22W under load. All real measured numbers. Mon, 10 Aug 2026 00:00:00 GMT https://treeru.com/en/blog/cpu-only-llm-inference-xeon-256gb-benchmark admin@treeru.com (Treeru) Treeru AI CPU inference local LLM llama.cpp benchmark Xeon GGUF MoE hyper-threading https://treeru.com/en/blog/treewall-catching-intruders-60-servers We are field-testing TREEWALL across a ~60-server room. See what actually knocks on an internet-facing server: ~245 IPs auto-banned daily, one visitor knocking 128 times in 30 minutes, and a regular who came back 13 days in a month — real measured data, explained simply. Tue, 04 Aug 2026 00:00:00 GMT https://treeru.com/en/blog/treewall-catching-intruders-60-servers admin@treeru.com (Treeru) Treeru 네트워크 TREEWALL security IP ban hacking attempts fail2ban server security https://treeru.com/en/blog/nvme-storage-benchmark-20-devices 14 NVMe SSDs and 6 HDDs benchmarked with fio: sequential read 6,193 to 526 MB/s, and Optane 905P QD1 IOPS 3.8x faster than the best NAND at 11μs latency. Sun, 05 Jul 2026 00:00:00 GMT https://treeru.com/en/blog/nvme-storage-benchmark-20-devices admin@treeru.com (Treeru) Treeru 하드웨어 NVMe SSD Benchmark Optane fio AI Storage Server Hardware IOPS HDD Comparison https://treeru.com/en/blog/comfyui-wan22-local-ai-video-generation Local AI video pipeline on RTX PRO 6000 96GB: Wan 2.2, LTX 2.3, MOVA (347GB). Covers license checks, ComfyUI custom nodes, MoE pitfalls, and shell automation. Thu, 02 Jul 2026 00:00:00 GMT https://treeru.com/en/blog/comfyui-wan22-local-ai-video-generation admin@treeru.com (Treeru) Treeru AI Wan2.2 ComfyUI video generation RTX PRO 6000 LTX MOVA local AI open source T2V https://treeru.com/en/blog/llm-unstructured-document-structuring We fed markdown menu documents to a local Qwen3-14B-AWQ and compared the extracted JSON against a manual database: prices 100%, name recall 94.7% in 5.92s. Thu, 02 Jul 2026 00:00:00 GMT https://treeru.com/en/blog/llm-unstructured-document-structuring admin@treeru.com (Treeru) Treeru AI LLM data extraction structuring JSON Qwen3 SGLang automation accuracy testing https://treeru.com/en/blog/treewall-ai-security-gateway TREEWALL logs security signals at your network gateway daily and AI turns them into a morning email report — built for small businesses without security staff. Sat, 13 Jun 2026 00:00:00 GMT https://treeru.com/en/blog/treewall-ai-security-gateway admin@treeru.com (Treeru) Treeru 네트워크 TREEWALL network security security operations AI security SMB security https://treeru.com/en/blog/cctv-rtsp-linux-recording-server Record CCTV RTSP streams on a Linux server — no NVR, no cloud fees. ffmpeg -c copy keeps CPU near 0%, with systemd auto-recovery and 180-day retention. Fri, 12 Jun 2026 00:00:00 GMT https://treeru.com/en/blog/cctv-rtsp-linux-recording-server admin@treeru.com (Treeru) Treeru 네트워크 CCTV RTSP ffmpeg systemd NVR Network Isolation VLAN https://treeru.com/en/blog/gguf-moe-garbage-output-debugging The same GGUF file ran fine on llama.cpp but spewed garbage on KTransformers. A full audit of all 18,432 expert weights exposed a bf16 precision bug. Fri, 12 Jun 2026 00:00:00 GMT https://treeru.com/en/blog/gguf-moe-garbage-output-debugging admin@treeru.com (Treeru) Treeru AI MoE GGUF Quantization KTransformers SGLang LLM Serving Debugging https://treeru.com/en/blog/ai-english-learning-content-quality-audit 990 English-learning scenes built with AI for Korean learners: 30 base verbs, 3,134 expressions, 53 duplicate fixes, final audit 0 errors / 0 warnings. Thu, 21 May 2026 00:00:00 GMT https://treeru.com/en/blog/ai-english-learning-content-quality-audit admin@treeru.com (Treeru) Treeru AI AI Content English Learning Content QA LLM Educational Content TTS Automation https://treeru.com/en/blog/bge-m3-vs-me5-korean-embedding-search-quality BGE-M3 vs mE5-Large on the same Korean documents, questions, and Top-3 Recall metric: across 10 colloquial questions BGE-M3 hit 100%, mE5-Large 86.7%. Thu, 21 May 2026 00:00:00 GMT https://treeru.com/en/blog/bge-m3-vs-me5-korean-embedding-search-quality admin@treeru.com (Treeru) Treeru AI BGE-M3 mE5-Large Embeddings RAG Vector Search Korean Search LLM https://treeru.com/en/blog/windows11-store-winget-terminal-recovery No Microsoft Store and no winget on Windows 11? Install App Installer, UI.Xaml and VCLibs by hand to bring back winget and Windows Terminal. Thu, 21 May 2026 00:00:00 GMT https://treeru.com/en/blog/windows11-store-winget-terminal-recovery admin@treeru.com (Treeru) Treeru TOOL Windows 11 winget Windows Terminal PowerShell App Installer Microsoft Store Manual Install https://treeru.com/en/blog/playwright-admin-ui-fullpage-screenshot-automation Automate full-page screenshots of web admin UIs with Playwright: walk every sub-page of a firewall or router UI logged in, saving 170+ PNGs in 8 minutes. Tue, 21 Apr 2026 00:00:00 GMT https://treeru.com/en/blog/playwright-admin-ui-fullpage-screenshot-automation admin@treeru.com (Treeru) Treeru TOOL Playwright Screenshot Automation Web Admin UI Backup CLI Node script https://treeru.com/en/blog/cqrs-documents-greg-young-korean A chapter-by-chapter reader's guide to Greg Young's 56-page CQRS Documents, with summaries and commentary on Task Based UI, Event Sourcing, and Event Storage. Tue, 14 Apr 2026 00:00:00 GMT https://treeru.com/en/blog/cqrs-documents-greg-young-korean admin@treeru.com (Treeru) Treeru 개발 CQRS DDD Event Sourcing Greg Young Domain Driven Design architecture https://treeru.com/en/blog/exaone-45-33b-rtx-pro-6000-benchmark LG AI Research EXAONE 4.5-33B benchmarked on RTX PRO 6000 Blackwell on launch day. FP8 NaN crash, custom fork required, BF16 85 questions across 12 scenarios. Fri, 10 Apr 2026 00:00:00 GMT https://treeru.com/en/blog/exaone-45-33b-rtx-pro-6000-benchmark admin@treeru.com (Treeru) Treeru AI EXAONE LG AI Research RTX PRO 6000 SGLang LLM Benchmark Korean AI VLM Local AI Blackwell https://treeru.com/en/blog/zellij-claude-code-ssh-session Practical guide to setting up Zellij for Claude Code SSH workflows. zj automation script, Windows bat files, known bugs, and 4 real advantages over tmux. Wed, 08 Apr 2026 00:00:00 GMT https://treeru.com/en/blog/zellij-claude-code-ssh-session admin@treeru.com (Treeru) Treeru CLAUDE-CODE zellij tmux Claude Code SSH terminal session management Linux server management automation Windows Terminal https://treeru.com/en/blog/gemma4-rtx-pro-6000-benchmark Gemma 4 benchmarked on RTX PRO 6000 Blackwell (96GB) two days after launch: 8 failed SGLang/vLLM attempts, then AWQ success — 37% faster than Qwen3-32B. Sun, 05 Apr 2026 00:00:00 GMT https://treeru.com/en/blog/gemma4-rtx-pro-6000-benchmark admin@treeru.com (Treeru) Treeru AI Gemma4 RTX PRO 6000 vLLM SGLang AWQ LLM Benchmark Qwen3 Local AI https://treeru.com/en/blog/avro-binary-logging-why-not-json Comparing 6 binary logging formats (MessagePack, Protobuf, CBOR, FlatBuffers, Avro, Cap'n Proto) by speed, size, schema support, and AI training fitness. Thu, 02 Apr 2026 00:00:00 GMT https://treeru.com/en/blog/avro-binary-logging-why-not-json admin@treeru.com (Treeru) Treeru 로그 Avro Binary Logging Logging MessagePack Protobuf AI Training Schema Evolution Async Queue https://treeru.com/en/blog/tmux-claude-code-ssh-persistent-session Practical guide to preventing Claude Code session loss on SSH drops using tmux. Full .tmux.conf, automation script, Windows bat files, and troubleshooting. Sun, 29 Mar 2026 00:00:00 GMT https://treeru.com/en/blog/tmux-claude-code-ssh-persistent-session admin@treeru.com (Treeru) Treeru CLAUDE-CODE tmux Claude Code SSH terminal session management Linux server management automation https://treeru.com/en/blog/windows-terminal-winget-claude-code-install Hands-on guide to recovering winget on a broken Windows 11: manually install VCLibs, UI.Xaml, and App Installer, then set up Windows Terminal and Claude Code. Sun, 29 Mar 2026 00:00:00 GMT https://treeru.com/en/blog/windows-terminal-winget-claude-code-install admin@treeru.com (Treeru) Treeru CLAUDE-CODE winget Windows Terminal Claude Code Windows 11 PowerShell App Installer manual install Microsoft Store https://treeru.com/en/blog/ai-image-generation-api-price-comparison-2026 Price comparison of 6 AI image generation APIs for blog thumbnails: GPT Image 1.5 Low $0.009/image to Gemini 3.1 Flash $0.045, plus an OCR text safeguard. Wed, 25 Mar 2026 00:00:00 GMT https://treeru.com/en/blog/ai-image-generation-api-price-comparison-2026 admin@treeru.com (Treeru) Treeru 개발 https://treeru.com/en/blog/claude-api-blog-automation-cost-1year One year of Claude Sonnet blog automation: about $0.04 per post, $4/month for 90 posts, plus repetition detection and prompts that make AI writing sound human. Wed, 25 Mar 2026 00:00:00 GMT https://treeru.com/en/blog/claude-api-blog-automation-cost-1year admin@treeru.com (Treeru) Treeru 개발 https://treeru.com/en/blog/claude-code-treeru-daily-workflow A daily Claude Code workflow built on TreeRU: auto-saved screenshots, F8 usage monitoring, SSH remote work, and F12 project switching, no IDE needed. Wed, 25 Mar 2026 00:00:00 GMT https://treeru.com/en/blog/claude-code-treeru-daily-workflow admin@treeru.com (Treeru) Treeru CLAUDE-CODE Claude Code TreeRU Terminal Workflow IDE Alternative CLI Development Screenshots SSH https://treeru.com/en/blog/nvidia-driver-595-blackwell-upgrade Real benchmarks after upgrading NVIDIA driver 590 to 595 on RTX PRO 6000 Blackwell 96GB: SGLang token speed, CUDA compute, and the Power Limit reset caveat. Wed, 25 Mar 2026 00:00:00 GMT https://treeru.com/en/blog/nvidia-driver-595-blackwell-upgrade admin@treeru.com (Treeru) Treeru AI NVIDIA driver upgrade RTX PRO 6000 Blackwell CUDA SGLang benchmark local AI https://treeru.com/en/blog/python-startup-speed-optimization-78s-to-20s Cut Python startup from 78 seconds to 20 on a low-power mini PC: log timelines exposed the bottlenecks and GitHub API calls fell from 44 to 5. Wed, 25 Mar 2026 00:00:00 GMT https://treeru.com/en/blog/python-startup-speed-optimization-78s-to-20s admin@treeru.com (Treeru) Treeru 개발 Python performance optimization startup speed log analysis GitHub API 미니PC https://treeru.com/en/blog/selenium-naver-captcha-undetected-chromedriver Selenium Naver login suddenly triggered CAPTCHAs after a year. After 7 failed fixes, the real cause was the $cdc_ variable — fixed by undetected-chromedriver. Wed, 25 Mar 2026 00:00:00 GMT https://treeru.com/en/blog/selenium-naver-captcha-undetected-chromedriver admin@treeru.com (Treeru) Treeru 개발 Selenium Naver CAPTCHA undetected-chromedriver Bot Detection Python Automation https://treeru.com/en/blog/selenium-user-agent-hardcoding-bot-detection Hardcoded Chrome/114 User-Agent worked for a year until Chrome auto-updated to 146. UA vs TLS fingerprint mismatch triggers bot detection — one-line fix inside. Wed, 25 Mar 2026 00:00:00 GMT https://treeru.com/en/blog/selenium-user-agent-hardcoding-bot-detection admin@treeru.com (Treeru) Treeru 개발 https://treeru.com/en/blog/undetected-chromedriver-subprocess-issue Handing off Chrome from an undetected-chromedriver subprocess via debug port fails: random port override, no detach, stdout pipe issues, and invisible tabs. Wed, 25 Mar 2026 00:00:00 GMT https://treeru.com/en/blog/undetected-chromedriver-subprocess-issue admin@treeru.com (Treeru) Treeru 개발 undetected-chromedriver subprocess Selenium Chrome Python bot detection https://treeru.com/en/blog/treeru-terminal-file-explorer Terminal file explorer built for AI CLI workflows: auto-saves clipboard screenshots, one-key path copy, SSH remote browsing. Open-source, 30-second install. Fri, 20 Mar 2026 00:00:00 GMT https://treeru.com/en/blog/treeru-terminal-file-explorer admin@treeru.com (Treeru) Treeru TOOL TreeRU Terminal File Explorer CLI Screenshot SSH Open Source https://treeru.com/en/blog/timeseries-database-comparison-8-engines We benchmarked 8 time-series database engines with 22 million rows. QuestDB 25ms, ClickHouse 547ms, TimescaleDB 1,021ms — measured across 6 evaluation criteria. Tue, 10 Mar 2026 00:00:00 GMT https://treeru.com/en/blog/timeseries-database-comparison-8-engines admin@treeru.com (Treeru) Treeru 스토리지 https://treeru.com/en/blog/hybrid-search-db-rag-fact-accuracy-5x Parallel DB + RAG search boosted LLM fact accuracy from 17.5% to 92.5% — 18ms search overhead, 4-case result assembly, 95% schema matching, benchmarks included. Wed, 04 Mar 2026 00:00:00 GMT https://treeru.com/en/blog/hybrid-search-db-rag-fact-accuracy-5x admin@treeru.com (Treeru) Treeru AI https://treeru.com/en/blog/linux-server-setup-checklist-8-steps An 8-step Linux server setup checklist: BIOS auto-boot, SSH key auth, kernel.panic, journald logs, and smartmontools alerts, proven on dozens of servers. Wed, 04 Mar 2026 00:00:00 GMT https://treeru.com/en/blog/linux-server-setup-checklist-8-steps admin@treeru.com (Treeru) Treeru TOOL linux server server setup SSH key authentication smartmontools kernel.panic journald checklist Ubuntu https://treeru.com/en/blog/llm-decoding-parameter-temperature-comparison 60 questions × 5 temperature levels = 300 runs on Qwen3-14B. Hallucination rate jumps from 22% at T=0.3 to 72% at T=0.9, with per-scenario optimal settings. Wed, 04 Mar 2026 00:00:00 GMT https://treeru.com/en/blog/llm-decoding-parameter-temperature-comparison admin@treeru.com (Treeru) Treeru AI https://treeru.com/en/blog/local-llm-6-model-korean-benchmark Benchmark of Qwen3-14B, Gemma-12B, KORMo-10B, Qwen3-8B, Phi-4, and Llama-3.1-8B on 60 questions in 7 scenarios: hallucination traps and speed-quality tradeoffs. Wed, 04 Mar 2026 00:00:00 GMT https://treeru.com/en/blog/local-llm-6-model-korean-benchmark admin@treeru.com (Treeru) Treeru AI https://treeru.com/en/blog/local-rag-pipeline-embedding-to-hallucination-fix Step-by-step local RAG build: BGE-M3 vs mE5-Large (100% vs 86.7% recall), Qdrant Top-3 accuracy at 100%, and real hallucination fixes at 2.9% overhead. Wed, 04 Mar 2026 00:00:00 GMT https://treeru.com/en/blog/local-rag-pipeline-embedding-to-hallucination-fix admin@treeru.com (Treeru) Treeru AI https://treeru.com/en/blog/moe-vs-dense-qwen3-30b-14b-comparison MoE vs Dense compared: Qwen3-30B-A3B uses 2.1x more VRAM and runs 1.9x slower than 14B Dense. We traced KTransformers garbage output via 18,432 weight checks. Wed, 04 Mar 2026 00:00:00 GMT https://treeru.com/en/blog/moe-vs-dense-qwen3-30b-14b-comparison admin@treeru.com (Treeru) Treeru AI https://treeru.com/en/blog/multi-server-backup-rsync-pull-disaster-recovery Multi-server backup guide with rsync pull: flock concurrency control, SMART disk health monitoring, and disaster recovery steps to rebuild any failed server. Wed, 04 Mar 2026 00:00:00 GMT https://treeru.com/en/blog/multi-server-backup-rsync-pull-disaster-recovery admin@treeru.com (Treeru) Treeru 스토리지 server backup rsync disaster recovery SMART monitoring cron SATA HDD cold backup NFS https://treeru.com/en/blog/qwen3-32b-awq-korean-test-vs-14b Qwen3-32B-AWQ vs 14B-AWQ on 60 Korean questions: 69 vs 135 tok/s makes the 32B twice as slow, yet quality improves just 5.4% — only legal reasoning truly gains. Wed, 04 Mar 2026 00:00:00 GMT https://treeru.com/en/blog/qwen3-32b-awq-korean-test-vs-14b admin@treeru.com (Treeru) Treeru AI Qwen3-32B Qwen3-14B model size comparison Korean benchmark SGLang AWQ local LLM benchmark https://treeru.com/en/blog/text2sql-llm-router-real-world-test Text2SQL tested on 13 PostgreSQL tables with an LLM router: across 40 questions in 4 tiers, accuracy rose from 10.8% (LLM-only) to 41.2% (synonyms) to 70.1%. Wed, 04 Mar 2026 00:00:00 GMT https://treeru.com/en/blog/text2sql-llm-router-real-world-test admin@treeru.com (Treeru) Treeru AI Text2SQL LLM Router Natural Language Query Database AI Chatbot PostgreSQL Qwen3 SQL Generation https://treeru.com/en/blog/awq-quantization-speed-comparison Benchmarked 16 models on RTX PRO 6000 with SGLang: AWQ INT4 gives 1.88x speedup at 4B and 2.94x at 32B, while MoE Qwen3-30B-A3B at 168.9 tok/s beats 14B Dense. Thu, 26 Feb 2026 00:00:00 GMT https://treeru.com/en/blog/awq-quantization-speed-comparison admin@treeru.com (Treeru) Treeru AI AWQ quantization INT4 BF16 MoE benchmark SGLang token speed LLM optimization https://treeru.com/en/blog/grafana-prometheus-16-server-monitoring Unified monitoring for dozens of servers with Grafana and Prometheus: node_exporter setup, GPU metrics, alert rules, dashboard design, and operational tips. Thu, 26 Feb 2026 00:00:00 GMT https://treeru.com/en/blog/grafana-prometheus-16-server-monitoring admin@treeru.com (Treeru) Treeru TOOL https://treeru.com/en/blog/sglang-multi-model-serving-guide SGLang serving configs for 23 LLMs tested in production: AWQ/BF16/FP8 quantization choices, MoE flashinfer settings, VRAM management, and OOM troubleshooting. Thu, 26 Feb 2026 00:00:00 GMT https://treeru.com/en/blog/sglang-multi-model-serving-guide admin@treeru.com (Treeru) Treeru AI https://treeru.com/en/blog/ai-server-storage-strategy-optane How we built 3-tier AI server storage with Intel Optane 905P (10μs random reads) and NVMe: RAG vector DB placement, model archival, cold backup via NFS pull. Tue, 24 Feb 2026 00:00:00 GMT https://treeru.com/en/blog/ai-server-storage-strategy-optane admin@treeru.com (Treeru) Treeru 스토리지 https://treeru.com/en/blog/rtx-5060-ti-vs-rtx-pro-6000-cost-performance RTX 5060 Ti ($450) vs RTX PRO 6000 ($5,000): measured inference speed, throughput, and stability. At 9% of the price it delivers 35% of the performance. Mon, 23 Feb 2026 00:00:00 GMT https://treeru.com/en/blog/rtx-5060-ti-vs-rtx-pro-6000-cost-performance admin@treeru.com (Treeru) Treeru 하드웨어 RTX 5060 Ti RTX PRO 6000 GPU comparison cost-performance local AI multi-GPU https://treeru.com/en/blog/rtx-5060-ti-local-llm-benchmark RTX 5060 Ti (16GB) benchmarked with 8B and 14B models: single-user speed, 30-user load, multi-turn chat, and cross-server inference. Full data on a $450 GPU. Sat, 21 Feb 2026 00:00:00 GMT https://treeru.com/en/blog/rtx-5060-ti-local-llm-benchmark admin@treeru.com (Treeru) Treeru 하드웨어 RTX 5060 Ti GPU benchmark local AI SGLang concurrent users budget GPU https://treeru.com/en/blog/qwen3-14b-deep-review Qwen3-14B-AWQ deep review: 60 questions, 7 business scenarios, two GPUs. Scoring 3.86 (1st of 6 models), it excels at automation but fabricates legal citations. Thu, 19 Feb 2026 00:00:00 GMT https://treeru.com/en/blog/qwen3-14b-deep-review admin@treeru.com (Treeru) Treeru AI Qwen3-14B model review Korean AI hallucination test local AI LLM evaluation https://treeru.com/en/blog/blog-seo-internal-linking-strategy Practical internal linking strategy for blogs: bidirectional relatedPosts, series navigation, category pages, and RSS automation to boost dwell time and SEO. Wed, 18 Feb 2026 00:00:00 GMT https://treeru.com/en/blog/blog-seo-internal-linking-strategy admin@treeru.com (Treeru) Treeru SEO Internal Links SEO relatedPosts Series Navigation Blog SEO RSS https://treeru.com/en/blog/cross-server-ai-inference-multi-gpu Cross-server AI inference benchmarks: RTX PRO 6000 + RTX 5060 Ti over 1GbE, 5-18% network overhead, 70% throughput gain, and routing strategies for production. Wed, 18 Feb 2026 00:00:00 GMT https://treeru.com/en/blog/cross-server-ai-inference-multi-gpu admin@treeru.com (Treeru) Treeru AI https://treeru.com/en/blog/rtx-5090-vs-rtx-pro-6000-ai-benchmark RTX 5090 vs RTX PRO 6000 AI inference benchmark: both hit ~69 tok/s on 32B models, but 70B+ models need the PRO 6000 with 96GB VRAM. GPU stress test included. Mon, 16 Feb 2026 00:00:00 GMT https://treeru.com/en/blog/rtx-5090-vs-rtx-pro-6000-ai-benchmark admin@treeru.com (Treeru) Treeru 하드웨어 RTX 5090 RTX PRO 6000 AI benchmark LLM inference GPU comparison Blackwell llama-bench gpu_burn https://treeru.com/en/blog/pagespeed-insights-api-automation Stop running PageSpeed manually: automate full-site measurement with PageSpeed Insights API v5, sequential scans, Markdown reports, and admin UI checks. Sun, 15 Feb 2026 00:00:00 GMT https://treeru.com/en/blog/pagespeed-insights-api-automation admin@treeru.com (Treeru) Treeru 개발 PageSpeed API automation performance monitoring Lighthouse DevOps https://treeru.com/en/blog/multi-tenant-ai-isolation-test We served 7 companies from one GPU with 5 LoRA adapters and ran 15 isolation tests on KV cache leaks, adapter isolation, and concurrent personas. All passed. Sat, 14 Feb 2026 00:00:00 GMT https://treeru.com/en/blog/multi-tenant-ai-isolation-test admin@treeru.com (Treeru) Treeru AI multi-tenant isolation testing LoRA KV cache security local AI SGLang https://treeru.com/en/blog/nextjs-seo-100-metadata-sitemap-robots How to achieve a perfect SEO score in Next.js 15: generateMetadata patterns, OG image auto-generation, dynamic sitemap.xml, robots.txt, JSON-LD, and IndexNow. Fri, 13 Feb 2026 00:00:00 GMT https://treeru.com/en/blog/nextjs-seo-100-metadata-sitemap-robots admin@treeru.com (Treeru) Treeru SEO https://treeru.com/en/blog/gpu-long-term-monitoring-data 13-day continuous monitoring of RTX PRO 6000 with 3,667 data points: 98.7% of time under 20°C, 600W vs 350W power limits compared, 87.6% VRAM usage patterns. Thu, 12 Feb 2026 00:00:00 GMT https://treeru.com/en/blog/gpu-long-term-monitoring-data admin@treeru.com (Treeru) Treeru 하드웨어 GPU monitoring long-term operation RTX PRO 6000 thermal management power limit server stability https://treeru.com/en/blog/nfs-cold-backup-server-ironwolf Build an NFS cold backup server with a low-power CPU and enterprise NAS HDDs: RAID 1 mirroring, rsync+cron backups, dual NIC isolation, SMART monitoring. Wed, 11 Feb 2026 00:00:00 GMT https://treeru.com/en/blog/nfs-cold-backup-server-ironwolf admin@treeru.com (Treeru) Treeru 스토리지 NFS Backup NAS HDD Data Protection Server Operations https://treeru.com/en/blog/cpu-embedding-benchmark-tool Embedding speed tested on 8 CPUs across 3 models: 847.3 sent/s (16-core) vs 123.7 (4-core mini PC), a 6.85x gap. SSH remote runs and per-watt analysis included. Tue, 10 Feb 2026 00:00:00 GMT https://treeru.com/en/blog/cpu-embedding-benchmark-tool admin@treeru.com (Treeru) Treeru TOOL CPU benchmark embedding Python performance comparison AI automation sentence-transformers https://treeru.com/en/blog/gpu-power-limit-ai-performance RTX 5090 undervolting (-3.8% token gen) and RTX PRO 6000 power limits 600W→350W (-22°C, -1.3% speed). Concurrent load test data for optimal power settings. Tue, 10 Feb 2026 00:00:00 GMT https://treeru.com/en/blog/gpu-power-limit-ai-performance admin@treeru.com (Treeru) Treeru 하드웨어 GPU power limit undervolting RTX PRO 6000 RTX 5090 AI inference power efficiency https://treeru.com/en/blog/core-web-vitals-debugging-chrome-devtools Trace the real causes behind PageSpeed scores: Chrome DevTools Performance tab, Layout Shift highlights, and LCP element identification for Core Web Vitals. Sun, 08 Feb 2026 00:00:00 GMT https://treeru.com/en/blog/core-web-vitals-debugging-chrome-devtools admin@treeru.com (Treeru) Treeru 개발 https://treeru.com/en/blog/lora-finetuning-custom-ai-chatbot Build company-specific AI chatbots with 10 training pairs and 6 seconds of LoRA fine-tuning: 73MB adapters, SGLang hot-swap serving, one GPU for 5 companies. Sat, 07 Feb 2026 00:00:00 GMT https://treeru.com/en/blog/lora-finetuning-custom-ai-chatbot admin@treeru.com (Treeru) Treeru AI https://treeru.com/en/blog/nextjs-admin-panel-development Build a production-ready admin panel with Next.js: architecture, sidebar layout, auth middleware, RESTful API route design, and third-party integrations. Fri, 06 Feb 2026 00:00:00 GMT https://treeru.com/en/blog/nextjs-admin-panel-development admin@treeru.com (Treeru) Treeru 개발 Next.js admin panel API routes middleware web development https://treeru.com/en/blog/sglang-vs-vllm-serving-engine-comparison SGLang vs vLLM benchmarked with Qwen3-32B and 5 LoRA adapters up to 200 concurrent users: 3x throughput, 6.5x better P95 latency, and zero errors. Thu, 05 Feb 2026 00:00:00 GMT https://treeru.com/en/blog/sglang-vs-vllm-serving-engine-comparison admin@treeru.com (Treeru) Treeru AI SGLang vLLM serving engine throughput P95 latency local AI benchmark https://treeru.com/en/blog/pagespeed-score-measurement-guide PageSpeed scores vary even for the same site: causes of ±3-5 point swings, Lighthouse scoring weights, Mobile vs Desktop gaps, and diminishing returns past 90. Wed, 04 Feb 2026 00:00:00 GMT https://treeru.com/en/blog/pagespeed-score-measurement-guide admin@treeru.com (Treeru) Treeru SEO PageSpeed Lighthouse Core Web Vitals Web Performance SEO LCP https://treeru.com/en/blog/cpu-turbo-boost-disable-server-stability How to disable CPU turbo boost on Intel and AMD CPUs for server stability: up to 37°C cooler, 50% less power, and 42% better p99 latency, all measured. Tue, 03 Feb 2026 00:00:00 GMT https://treeru.com/en/blog/cpu-turbo-boost-disable-server-stability admin@treeru.com (Treeru) Treeru 하드웨어 CPU turbo boost server stability Linux power management thermal management systemd https://treeru.com/en/blog/local-llm-concurrent-users-load-test Load test data: RTX PRO 6000 serving 8B and 32B models to 200 concurrent users at 0% errors. Response times, GPU thermals, throughput, and architecture tips. Tue, 03 Feb 2026 00:00:00 GMT https://treeru.com/en/blog/local-llm-concurrent-users-load-test admin@treeru.com (Treeru) Treeru AI https://treeru.com/en/blog/tailwind-animate-css-bundle-size-optimization Importing tw-animate-css adds 15KB of CSS to your bundle. Extract only the utilities you use, write @keyframes by hand, and cut render-blocking CSS by 97%. 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Wed, 28 Jan 2026 00:00:00 GMT https://treeru.com/en/blog/indexnow-instant-search-engine-notification admin@treeru.com (Treeru) Treeru SEO IndexNow SEO Search Engine Bing Indexing Crawling https://treeru.com/en/blog/local-llm-business-test-1 6 local LLMs answer 30 real business questions across manufacturing parts distribution, SaaS support, and healthcare consultation. KORMo leads at 3.82/5. Tue, 27 Jan 2026 00:00:00 GMT https://treeru.com/en/blog/local-llm-business-test-1 admin@treeru.com (Treeru) Treeru AI LLM Business Test Manufacturing AI SaaS Healthcare AI Local AI https://treeru.com/en/blog/nextjs-img-vs-image-pagespeed Compare Next.js Image component auto-optimization with manually optimized img tags using sharp AVIF, and learn when plain img beats Image for PageSpeed scores. Tue, 27 Jan 2026 00:00:00 GMT https://treeru.com/en/blog/nextjs-img-vs-image-pagespeed admin@treeru.com (Treeru) Treeru 개발 Next.js Image component img tag PageSpeed image optimization AVIF https://treeru.com/en/blog/gpu-monitoring-shell-script-automation Automate GPU monitoring with nvidia-smi and cron: 5-minute CSV logging, temperature and utilization threshold alerts, log rotation — one ~50-line shell script. Mon, 26 Jan 2026 00:00:00 GMT https://treeru.com/en/blog/gpu-monitoring-shell-script-automation admin@treeru.com (Treeru) Treeru TOOL GPU Monitoring nvidia-smi Shell Script cron Server Ops Automation https://treeru.com/en/blog/reverse-proxy-n100-mini-pc Build a reverse proxy on a low-power mini PC with Caddy — automatic HTTPS, multi-service routing, and stable uptime at just 2-5% CPU, plus an Nginx comparison. Sat, 24 Jan 2026 00:00:00 GMT https://treeru.com/en/blog/reverse-proxy-n100-mini-pc admin@treeru.com (Treeru) Treeru 네트워크 reverse proxy Caddy mini PC HTTPS https://treeru.com/en/blog/lcp-optimization-motion-opacity-trap motion/react opacity:0 hides images from Lighthouse in Next.js SSR, inflating LCP to 110s. A scale transform, lazy loading, and AVIF cut it to 3.4s. Fri, 23 Jan 2026 00:00:00 GMT https://treeru.com/en/blog/lcp-optimization-motion-opacity-trap admin@treeru.com (Treeru) Treeru 개발 LCP motion/react Framer Motion PageSpeed Core Web Vitals SSR Next.js https://treeru.com/en/blog/local-llm-hallucination-test 6 local LLMs faced trap questions on fake products, fake legal citations, and medical prompts. Qwen3-14B passed 4/6; Phi-4 passed 1 and prescribed antibiotics. Fri, 23 Jan 2026 00:00:00 GMT https://treeru.com/en/blog/local-llm-hallucination-test admin@treeru.com (Treeru) Treeru AI https://treeru.com/en/blog/drizzle-orm-sqlite-lightweight-backend When PostgreSQL is overkill, SQLite is the answer: Drizzle ORM vs Prisma, type-safe schema definition, migration workflow, and WAL mode for concurrent reads. Tue, 20 Jan 2026 00:00:00 GMT https://treeru.com/en/blog/drizzle-orm-sqlite-lightweight-backend admin@treeru.com (Treeru) Treeru 개발 https://treeru.com/en/blog/local-llm-korean-test We tested 6 local LLMs on Korean with 10 real questions: honorifics, business tone, contamination, and fluency across Qwen3, Gemma, KORMo, Llama, and Phi-4. Tue, 20 Jan 2026 00:00:00 GMT https://treeru.com/en/blog/local-llm-korean-test admin@treeru.com (Treeru) Treeru AI LLM Korean local AI Qwen3 KORMo Gemma benchmark https://treeru.com/en/blog/image-optimization-pagespeed-36mb-to-800kb Compressed 6 hero images from 36MB to 0.8MB with sharp. WebP vs AVIF comparison, fetchPriority, lazy loading strategy — a full image optimization walkthrough. Mon, 19 Jan 2026 00:00:00 GMT https://treeru.com/en/blog/image-optimization-pagespeed-36mb-to-800kb admin@treeru.com (Treeru) Treeru 개발 Image Optimization sharp WebP AVIF PageSpeed LCP https://treeru.com/en/blog/local-llm-model-size-comparison Qwen3 8B, 14B, and 32B benchmarked on RTX PRO 6000 with 200 concurrent users: 3x speed gap, throughput scaling, GPU thermals, and quality trade-offs. Fri, 16 Jan 2026 00:00:00 GMT https://treeru.com/en/blog/local-llm-model-size-comparison admin@treeru.com (Treeru) Treeru AI https://treeru.com/en/blog/ssh-key-auth-multi-server-management SSH key authentication for managing multiple servers: Ed25519 key generation, deployment, disabling password auth, SSH config aliases, ProxyJump, and fail2ban. 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Wed, 14 Jan 2026 00:00:00 GMT https://treeru.com/en/blog/nextjs-pagespeed-optimization-38-to-88 admin@treeru.com (Treeru) Treeru 개발 PageSpeed Next.js web performance Core Web Vitals LCP CLS https://treeru.com/en/blog/rtx-pro-6000-llm-token-speed RTX PRO 6000 (96GB) token generation speed measured across 6 LLMs at 350W — from Llama-3.1-8B at 218 tok/s to KORMo at 60 tok/s, with speed vs quality analysis. Tue, 13 Jan 2026 00:00:00 GMT https://treeru.com/en/blog/rtx-pro-6000-llm-token-speed admin@treeru.com (Treeru) Treeru 하드웨어 https://treeru.com/en/blog/better-auth-nextjs-authentication Complete guide to Better Auth for Next.js: email/password auth, cookie-based sessions, admin role separation, Drizzle ORM + SQLite, and security hardening. Mon, 12 Jan 2026 00:00:00 GMT https://treeru.com/en/blog/better-auth-nextjs-authentication admin@treeru.com (Treeru) Treeru 개발 Better Auth Next.js Authentication Session Management Admin Roles SQLite https://treeru.com/en/blog/korean-webfont-pagespeed-render-blocking-css Loading CJK fonts via next/font/google creates 124 @font-face rules and 26KB of render-blocking CSS. Custom subsets and self-hosting cut it to 3KB, zero CLS. Sat, 10 Jan 2026 00:00:00 GMT https://treeru.com/en/blog/korean-webfont-pagespeed-render-blocking-css admin@treeru.com (Treeru) Treeru 개발 Web Fonts CJK Fonts PageSpeed Render-Blocking CSS font-display Next.js https://treeru.com/en/blog/rtx-pro-6000-local-llm-benchmark We benchmarked 6 local LLMs on RTX Pro 6000 (96GB): 7 scenarios, 360 questions. Qwen3-14B leads at 3.86/5 with 135 tok/s — full quality and hallucination data. Fri, 09 Jan 2026 00:00:00 GMT https://treeru.com/en/blog/rtx-pro-6000-local-llm-benchmark admin@treeru.com (Treeru) Treeru 하드웨어 https://treeru.com/en/blog/iperf3-office-network-speed-test Measure real office LAN speed with iperf3: 1Gbps vs 2.5Gbps NIC results, bottleneck diagnosis with ethtool, and troubleshooting of cables, ports, and links. Thu, 08 Jan 2026 00:00:00 GMT https://treeru.com/en/blog/iperf3-office-network-speed-test admin@treeru.com (Treeru) Treeru 네트워크 https://treeru.com/en/blog/cls-zero-typewriter-animation-fix Typing animation caused CLS 0.481. The Invisible Placeholder pattern eliminates layout shift with zero visual change. Mobile PageSpeed jumped 25 points. Tue, 06 Jan 2026 00:00:00 GMT https://treeru.com/en/blog/cls-zero-typewriter-animation-fix admin@treeru.com (Treeru) Treeru 개발 CLS Core Web Vitals PageSpeed Animation Layout Shift Next.js https://treeru.com/en/blog/ai-coding-tool-website-development Hands-on experience building websites with AI coding tools. 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Sat, 27 Dec 2025 00:00:00 GMT https://treeru.com/en/blog/wireguard-vpn-office-remote-access admin@treeru.com (Treeru) Treeru 네트워크 WireGuard VPN Remote Access OPNsense Network Security https://treeru.com/en/blog/caddy-https-auto-ssl-setup Replace Nginx complexity with Caddy: one-line reverse proxy, multi-domain hosting, security headers, and automatic Let's Encrypt certificate renewal. Tue, 23 Dec 2025 00:00:00 GMT https://treeru.com/en/blog/caddy-https-auto-ssl-setup admin@treeru.com (Treeru) Treeru 개발 https://treeru.com/en/blog/website-design-trends-2024 Explore the top 10 web design trends of 2024 — AI-powered design tools, dark mode, glassmorphism, micro-interactions, and more shaping modern web design. 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Fri, 19 Dec 2025 00:00:00 GMT https://treeru.com/en/blog/claude-code-ai-coding-review admin@treeru.com (Treeru) Treeru TOOL Claude Code AI coding CLI coding tools Cursor AI development developer tools https://treeru.com/en/blog/seo-best-practices A practical guide to search engine optimization covering meta tags, content strategy, Core Web Vitals, link building, and monitoring for Google rankings. Thu, 18 Dec 2025 00:00:00 GMT https://treeru.com/en/blog/seo-best-practices admin@treeru.com (Treeru) Treeru SEO SEO search optimization marketing Google https://treeru.com/en/blog/pm2-nextjs-production-deployment Run Next.js on your own server without Vercel. Learn PM2 ecosystem config, cluster vs fork mode, zero-downtime reload, pm2-logrotate, and systemd auto-restart. Wed, 17 Dec 2025 00:00:00 GMT https://treeru.com/en/blog/pm2-nextjs-production-deployment admin@treeru.com (Treeru) Treeru 개발 https://treeru.com/en/blog/responsive-web-design Learn why responsive web design matters for SEO and UX: fluid grids, media queries, flexible images, and the mobile-first approach with practical CSS examples. Mon, 15 Dec 2025 00:00:00 GMT https://treeru.com/en/blog/responsive-web-design admin@treeru.com (Treeru) Treeru 개발