centos 7 install mysql config

# centos 7 install mysql config

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## my.cnf file setting.

For advice on how to change settings please see

http://dev.mysql.com/doc/refman/5.7/en/server-configuration-defaults.html

```mysql

[mysqld]
#
# Remove leading # and set to the amount of RAM for the most important data
# cache in MySQL. Start at 70% of total RAM for dedicated server, else 10%.
# innodb_buffer_pool_size = 128M
#
# Remove leading # to turn on a very important data integrity option: logging
# changes to the binary log between backups.
# log_bin
#
# Remove leading # to set options mainly useful for reporting servers.
# The server defaults are faster for transactions and fast SELECTs.
# Adjust sizes as needed, experiment to find the optimal values.
# join_buffer_size = 128M
# sort_buffer_size = 2M
# read_rnd_buffer_size = 2M
datadir=/var/lib/mysql
socket=/var/lib/mysql/mysql.sock

# ===============================================
server-id = 1
character-set-server = utf8
collation-server = utf8_general_ci
default-storage-engine=InnoDB
# ===============================================

# Disabling symbolic-links is recommended to prevent assorted security risks
symbolic-links=0

log-error=/var/log/mysqld.log
pid-file=/var/run/mysqld/mysqld.pid
```

## config

# mysql> set global storage_engine = 'InnoDB';
    # mysql> create database gogs character set utf8 collate utf8_bin;
    # mysql> flush privileges;
    # mysql> show variables like'storage_engine';

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done