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wiki/concepts/本地LLM.md
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wiki/concepts/本地LLM.md
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title: "本地LLM"
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type: concept
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tags: [llm, ollama, local, ai]
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last_updated: 2026-04-13
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---
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## Definition
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本地LLM是在本地服务器部署运行的大语言模型,不依赖外部API服务。
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## 优势
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- 隐私:数据不离开本地
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- 成本:无API调用费用
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- 离线:无需互联网连接
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- 定制:可微调模型
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## Ollama部署流程
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```bash
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# 1. 安装
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curl -fsSL https://ollama.com/install.sh | sh
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# 2. 下载模型
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ollama pull qwen2.5-coder:7b
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# 3. 运行
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ollama run qwen2.5-coder:7b
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```
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## 推荐模型
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| 模型 | 大小 | 用途 |
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|------|------|------|
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| qwen2.5-coder:7b | 4.6GB | 代码生成、DevOps |
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| qwen2.5-coder:3b | ~2GB | 轻量任务 |
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## 与n8n集成
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n8n通过HTTP Request调用Ollama API:
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```bash
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POST http://localhost:11434/api/generate
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{
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"model": "qwen2.5-coder:7b",
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"prompt": "..."
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}
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```
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## 相关文档
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- [[在 Ubuntu 安装 Ollama 并运行 Qwen2.5-Coder 7B]]
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- [[可自动化、可扩展、AI增强的电商数据采集与处理系统]]
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