simplest server status monitor for FlexLM
store php file into your web server then access test.php
you will see "lscpu" output on your web browser, in this example case.
To see flexLM license server status, you can modify $str variables for
$str='//lmutil lmmstat -a -c @';
Raspberry pi4
Ubuntu server 20.04
php 8.0.8
apache 2.4.48