$ cat /etc/my.cnf.d/server.cnf 

#

# These groups are read by MariaDB server.

# Use it for options that only the server (but not clients) should see

#

# See the examples of server my.cnf files in /usr/share/mysql/

#

# this is read by the standalone daemon and embedded servers

[server]

# this is only for the mysqld standalone daemon

[mysqld]

# this is only for embedded server

[embedded]

# This group is only read by MariaDB servers, not by MySQL.

# If you use the same .cnf file for MySQL and MariaDB,

# you can put MariaDB-only options here

[mariadb]

# This group is only read by MariaDB-10.0 servers.

# If you use the same .cnf file for MariaDB of different versions,

# use this group for options that older servers don't understand

[mariadb-10.0]

lower_case_table_names=1

$ mysql -uroot

Welcome to the MariaDB monitor.  Commands end with ; or \g.

Your MariaDB connection id is 3

Server version: 10.0.13-MariaDB MariaDB Server

Copyright (c) 2000, 2014, Oracle, SkySQL Ab and others.

Type 'help;' or '\h' for help. Type '\c' to clear the current input statement.

MariaDB [(none)]> select @@lower_case_table_names;

+--------------------------+

| @@lower_case_table_names |

+--------------------------+

|                        1 |

+--------------------------+

1 row in set (0.00 sec)