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Welcome to my personal tech blog.
This is where I write about the things I build, explore, and learn — from cloud platforms, backend architecture, DevOps automation, IoT systems, digital health projects, and the challenges of becoming a developer in Germany.
Sometimes the posts are deep dives; sometimes they are small notes or reflections. I hope you find something useful here — enjoy your stay.
Posts
- Nov 27, 2025 Duolingo Germany By English upgrade to A2 Diary
- Nov 27, 2025 A Troubleshooting of a Docker & Gogs Fault Caused by Inode Exhaustion Linux
- Nov 27, 2025 The Doubao AI: Will the Mobile Ecosystem Be Rewritten When AI Agents Are Really Implemented? AI
- Nov 24, 2025 Deploy an All-in-one OpenStack GPU Server By Kolla Ansible OpenStack
- Nov 20, 2025 Completed the migration of my blog to GitHub Pages Diary
- Mar 25, 2015 CloudStack Code（12）—— Analysis of security models (API Key / Signature / RBAC / ACL / prevention of privilege escalation) CloudStack
- Mar 25, 2015 CloudStack Code（11）—— Analysis of the user system（Account / Domain / Project / Role / AccessControl） CloudStack
- Mar 24, 2015 CloudStack Code（10）—— Scheduler and Resource Allocation（Host / Storage / Network Allocator） CloudStack
- Mar 23, 2015 CloudStack Code（9）—— Virtual Router VR Architecture and Implementation CloudStack
- Mar 22, 2015 CloudStack Code（8）—— In-depth analysis of storage system（Primary/Secondary/Snapshot/StorageMotion） CloudStack
- Mar 21, 2015 CloudStack Code（7）—— Network architecture (NetworkGuru, NetworkElement, VR service chain) CloudStack
- Mar 20, 2015 CloudStack Code（6）—— Orchestration Engine CloudStack
- Mar 19, 2015 CloudStack Code（5）—— Resource Model and Entity Object（VO/DAO） CloudStack
- Mar 18, 2015 CloudStack Code（4）—— Database Schema CloudStack
- Mar 17, 2015 CloudStack Code（3）- Overall Architecture Overview CloudStack
- Mar 16, 2015 CloudStack Code（二）- API framework execution mechanism（ApiServer、Dispatcher、Signature、Async） CloudStack
- Mar 15, 2015 CloudStack Code（1）- Cloud API CloudStack