```
[root@nixos:~]# grep -ir hostname /etc
/etc/nixos/networking.nix:	hostName = "grasshopper";

[root@nixos:~]# hostnamectl status
   Static hostname: nixos
         Icon name: computer-container
           Chassis: container
        Machine ID: 052ee28b92f44d8083b263b9b6b89381
           Boot ID: a8a267b0bab64fe1b15a86aef0f19a89
    Virtualization: lxc
  Operating System: ]8;;https://nixos.org/NixOS 20.09 (Nightingale)]8;;
            Kernel: Linux 5.4.18
      Architecture: x86-64

[root@nixos:~]# uptime
 15:31:43  up   0:00,  1 user,  load average: 0.28, 0.08, 0.02

```