1.LVM Principles To understand the principles of LVM, we must first grasp four basic concepts of logical volumes. ① PE (Physical Extend) – Physical Extend ② PV (Physical Volume) – Physical Volume ③ VG (Volume Group) – Volume Group ④ LV (Logical Volume) – Logical Volume PV (Physical Volume) A physical volume is the basic … Read more
Warm Reminder If you like this article, please share it with your friends. If you have any questions or want more information, please follow or leave a message. In Linux systems, managing files and directories is fundamental to daily operations. The <span>ls</span> command, as a common tool for listing the contents of files and directories, … Read more
For some things, I just roll my eyes, remain silent, and think, “What the hell are you talking about? I can’t understand!”. In my mind, Linux package management has always been a highlight. With just one set of commands, you can set up a complete development environment and get a usable web system. How wonderful … Read more
This issue records the latest news and shareable content about Zephyr, published in the last week of each month. This magazine is open source (GitHub: lgl88911/Zephyr_Fans_Monthly[1]), and contributions, issue submissions, or recommendations for Zephyr content are welcome. Project Data Excluding merges, 355 authors pushed 1,676 commits to the main branch and 1,771 commits to all … Read more
In 2019, I purchased the “Xiaomi Mijia Smart Home Kit,” which I truly started using in early 2020. At one point, I noticed on the app: “Door Magnet Sensor” — “Battery” — “Battery Low”; so I quickly bought a battery to replace it, but the app still indicated low battery; however, in the “Device Consumables” … Read more
Have you trained a dedicated portrait LoRA but can only generate close-up headshots? When you excitedly connect the LoRA to ComfyUI, only to find that it generates nothing but “ID photo-style” close-ups, and you can’t get half-body/full-body compositions to work—this is a pitfall that 90% of AI portrait players have encountered. Today, we will guide … Read more
In the current trend of true wireless earbuds, over-ear Bluetooth noise-canceling headphones still have their enthusiasts. They not only cherish the immersive auditory experience brought by physical envelopment but also regard headphones as an important part of their fashion ensemble. Compared to over-ear headphones, which are relatively bulky and more suitable for static scenarios, the … Read more
There are many types of Bluetooth headphones, including in-ear, semi-in-ear, over-ear, ear-hook, and ear-clip styles. Each has its own advantages and disadvantages: in-ear and over-ear headphones are suitable for immersive music listening and have strong noise-canceling capabilities. However, in-ear headphones can put pressure on the ear canal, and over-ear headphones can be heavy, making them … Read more
Ifirst saw the Showfeel A1 Bluetooth speaker from Showfeel a few years ago at the audio exhibition in the Grand Hotel. Two things attracted me: one was the elegant arrangement of the room, and the other was the impressive low-frequency performance of the small Bluetooth speaker, which sounded as if it had a small subwoofer. … Read more
The open-back headphone market is still in its infancy, with brands possessing strong acoustic research and development capabilities being relatively scarce. This has led many crossover brands and internet-famous brands to flood in, but these brands often lack maturity in the technical application of open-back headphones, merely applying traditional headphone acoustic solutions without in-depth optimization … Read more