Recently, my home experienced a power outage. My Synology NAS shut down gracefully since it was connected to a UPS, but my Linux server, which wasn’t connected to the UPS, suffered a hard power loss. This can easily lead to data loss or, in severe cases, disk damage! That’s why I finally got around to configuring NUT, which I had been putting off for a while. This article shares how to use NUT to protect multiple devices with a single UPS. ...

Today, I replaced the motherboard of my Homelab server. To avoid reinstalling the system and transferring data, I directly transferred the original disks to the new motherboard. It went smoothly the first time, but this time I couldn’t boot into the system. Fortunately, with the help of AI, I quickly resolved the issue. The experience of using AI to solve problems was amazing. It not only helped me quickly identify and resolve the problem, but also enabled me to learn about Linux partitioning and mounting. Here, I will record my journey. ...