下载校验与命令行
SHA256
3a4c9877b483ab46d7c3fbe165a0db275e1ae3cfe56a5657e5a47c2f99a99d1e
curl -O https://releases.ubuntu.com/24.04/ubuntu-24.04.4-live-server-amd64.iso
# 校验文件完整性
md5sum ubuntu-24.04.4-live-server-amd64.iso # 期望