$uname-r5.4.0-26-generic 查看操作系统版本 $ lsb_release-aNo LSB modules are available. Distributor ID: Ubuntu Description: Ubuntu20.04.6 LTS Release:20.04Codename: focal 或者一个命令就可以 $ hostnamectl Static hostname: worker4 Icon name: computer-server Chassis: server Machine ID: 56fc3d388...