Had a search and found the following;
root@02:/opt/librenms# mysqladmin -p -u root version
Enter password:
mysqladmin Ver 9.1 Distrib 10.1.44-MariaDB, for debian-linux-gnu on x86_64
Copyright (c) 2000, 2018, Oracle, MariaDB Corporation Ab and others.
Server version 10.1.44-MariaDB-0ubuntu0.18.04.1
Protocol version 10
Connection Localhost via UNIX socket
UNIX socket /var/run/mysqld/mysqld.sock
Uptime: 2 hours 46 min 21 sec
Threads: 35 Questions: 4980260 Slow queries: 0 Opens: 432 Flush tables: 1 Open
tables: 426 Queries per second avg: 498.974
So I put the following as the Unix socket variable?
DB_SOCKET=/var/run/mysqld/mysqld.sock
$config['db_socket'] = '/var/run/mysqld/mysqld.sock';