root@ip-xxxx:~# wo maintenance
updating apt-cache, please wait...
updating packages, please wait...
cleaning-up packages, please wait...
root@ip-xxxxx:~# php -v
PHP 7.4.26 (cli) (built: Nov 22 2021 09:48:15) ( NTS )
Copyright (c) The PHP Group
Zend Engine v3.4.0, Copyright (c) Zend Technologies
with Zend OPcache v7.4.26, Copyright (c), by Zend Technologies
root@ip-xxxxx:~#