https://notes.zhangandy2023.com/ Occasional writing on home networking, small tools, backups and books. https://notes.zhangandy2023.com/posts/autumn-reading-list/https://notes.zhangandy2023.com/posts/autumn-reading-list/2026-09-21Five books I am working through this season, and why each one made the cut. https://notes.zhangandy2023.com/posts/backups-i-actually-test/https://notes.zhangandy2023.com/posts/backups-i-actually-test/2026-08-09A backup you have never restored is a hope, not a backup. Here is the routine that keeps mine honest. https://notes.zhangandy2023.com/posts/small-tools-i-use-every-day/https://notes.zhangandy2023.com/posts/small-tools-i-use-every-day/2026-06-18Not a productivity system, just the handful of small utilities that quietly save me time. https://notes.zhangandy2023.com/posts/openwrt-at-home/https://notes.zhangandy2023.com/posts/openwrt-at-home/2026-05-02Two years with an OpenWrt router: what went well, what broke, and what I would do differently. https://notes.zhangandy2023.com/posts/quiet-home-lab-on-a-budget/https://notes.zhangandy2023.com/posts/quiet-home-lab-on-a-budget/2026-03-14How I ended up with a small, silent home server instead of a rack of noisy secondhand gear. https://notes.zhangandy2023.com/posts/notes-in-plain-text/https://notes.zhangandy2023.com/posts/notes-in-plain-text/2026-01-25After trying most note apps, I went back to a folder of text files. Here is why it stuck.