mysql -u admin -p

# mysql -u admin -p
Enter password:
Welcome to the MySQL monitor.  Commands end with ; or \g.
Your MySQL connection id is 3
Server version: 5.1.38 Source distribution

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

mysql> SHOW VARIABLES like 'lower_case_table_names';
+------------------------+-------+
| Variable_name          | Value |
+------------------------+-------+
| lower_case_table_names | 1     |
+------------------------+-------+
1 row in set (0.11 sec)

[mysqld]                                         
set-variable = lower_case_table_names=1

[root@X-Dom ~]# mysql reload
Warning: World-writable config file '/etc/my.cnf' is ignored
ERROR 1045 (28000): Access denied for user 'root'@'localhost' (using password: NO)

killall -SIGTERM mysqld_safe mysqld
/usr/bin/mysqld_safe --user=root --datadir=/mnt/HD_a4/.@database@ &

[root@X-Dom ~]# Warning: World-writable config file '/etc/my.cnf' is ignored
Warning: World-writable config file '/etc/my.cnf' is ignored
140213 22:47:15 mysqld_safe Logging to '/mnt/HD_a4/.@database@/X-Dom.err'.
140213 22:47:15 mysqld_safe Starting mysqld daemon with databases from /mnt/HD_a                         4/.@database@

[root@X-Dom ~]# ls -la /etc/my.cnf
-rwxrwxrwx    1 nobody   allaccou        90 Feb 13 21:32 /etc/my.cnf