> For the complete documentation index, see [llms.txt](https://kawsing.gitbook.io/opensystem/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://kawsing.gitbook.io/opensystem/andoid-shou-ji/untitled-4/kuai-su-xiu-gai-zhu-ji-ming-chen.md).

# 快速修改主機名稱

修改主機名稱並立即生效

sudo hostnamectl set-hostname www

這個動作會寫入到 /proc/sys/kernel/hostname 設定檔裡