centos7 mysql 记录

安装

# 添加社区资源的rpm包
rpm -Uvh http://dev.mysql.com/get/mysql-community-release-el7-5.noarch.rpm
# 安装
yum -y install mysql-community-server

配置文件

位置：/etc/my.cnf

[client]
port=3306
password=root
default-character-set=utf8

[mysqld]
port=3306
character-set-server=utf8
character-set-client=utf8
init_connect='SET NAMES utf8'

# 不区分大小写
lower_case_table_names=1
# 最大链接数
max_connection=1000

# 慢查询日志
#slow_query_log=1
#slow_query_log_file=/var/lib/mysql/km-base-slow.log
#long_query_time=2
#log_queries_not_using_indexes=0
# 开启慢查询后，不添加如下配置，创建函数会出错
#log_bin_trust_function_creators=1
#
# 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

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

# Recommended in standard MySQL setup
sql_mode=NO_ENGINE_SUBSTITUTION,STRICT_TRANS_TABLES 

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

[mysql]
# 自动提示，默认是没有开启的
no-auto-rehash
#auto-rehash
default-character-set=utf8

重置密码

use mysql;
UPDATE user SET password=PASSWORD("root") WHERE user='root';
FLUSH PRIVILEGES;
quit;

远程访问

use mysql;
grant all privileges on *.* to 'root'@'%' identified by 'root';
flush privileges;

开机启动

# 启动
systemctl start mysql
# 开机启动
systemctl enable mysql