/etc/my.cnf

[client]
default-character-set=utf8

[mysqld]
tmp_table_size = 2048M
max_heap_table_size = 2048M
max_allowed_packet = 20M
skip-name-resolve
skip-grant-tables
character-set-server=utf8
datadir=/var/lib/mysql
socket=/var/lib/mysql/mysql.sock
user=mysql

Disabling symbolic-links is recommended to prevent assorted security risks

symbolic-links=0
lower_case_table_names=1
innodb_buffer_pool_size = 2048M

innodb_log_file_size = 2048M

max_connections = 4096
log-slow-queries=/var/log/mysql-slow.log
long_query_time=1

log=/var/log/mysqlq.log

log-bin=binlog
group_concat_max_len=102400

[mysqld_safe]
log-error=/var/log/mysqld.log
pid-file=/var/run/mysqld/mysqld.pid

lower_case_table_names=1