https://blog.sersmile.lol/Notes on software, systems and the tools I build with. https://blog.sersmile.lol/posts/serving-a-blog-from-home/https://blog.sersmile.lol/posts/serving-a-blog-from-home/Sun, 25 Oct 2026 16:00:00 GMTA static site on a home machine, published through a reverse SSH tunnel and a small VPS in front. https://blog.sersmile.lol/posts/certificates-without-a-daemon/https://blog.sersmile.lol/posts/certificates-without-a-daemon/Sun, 25 Oct 2026 16:00:00 GMTIssuing and renewing Let's Encrypt certificates with acme.sh in webroot mode, behind an existing nginx. https://blog.sersmile.lol/posts/a-quiet-interface/https://blog.sersmile.lol/posts/a-quiet-interface/Sun, 25 Oct 2026 16:00:00 GMTThe few rules this site borrows from a tool I use every day. https://blog.sersmile.lol/posts/road-to-billion-context/https://blog.sersmile.lol/posts/road-to-billion-context/Sat, 24 Oct 2026 19:03:00 GMT从 pi 的压缩机制谈起，讨论无限上下文在现实工程约束下该怎么实现：为什么分块总结加搜索会变成流水账，而单一的 persisted state 才是更合逻辑的模型。