root@server:~ — maintenance.sh
$ ./system_check --verbose
[!] SYSTEM OFFLINE — maintenance in progress
 ███    ███  █████  ██ ███    ██ ████████
 ████  ████ ██   ██ ██ ████   ██    ██   
 ██ ████ ██ ███████ ██ ██ ██  ██    ██   
 ██  ██  ██ ██   ██ ██ ██  ██ ██    ██   
 ██      ██ ██   ██ ██ ██   ████    ██   

// SYSTEM MAINTENANCE

> status: OFFLINE
> cause: scheduled_upgrade
> eta: shortly
> patching kernel modules...
Our engineers are performing scheduled maintenance.
The system will be back online shortly. Please stand by.