mysql> select * from radgroupcheck;
+----+---------------------------+------------------+----+--------+
| id | groupname                 | attribute        | op | value  |
+----+---------------------------+------------------+----+--------+
|  1 | daloRADIUS-Disabled-Users | Auth-Type        | := | Reject |
|  2 | daloRADIUS-Disabled-Users | Auth-Type        | := | Reject |
|  3 | dialup                   | Simultaneous-Use | := | 1      |
|  6 | thisgroup                 | Simultaneous-Use | := | 2      |
+----+---------------------------+------------------+----+--------+
4 rows in set (0.00 sec)
radwho
root@ubuntu:/home/ubuntu# radwho
Login      Name       What  TTY  When      From     Location
tt         tt                shell S0   Mon 20:52 192.168.30.143
root@ubuntu:/home/ubuntu#