mysql5.7部署、初始化和創建實例

很簡單的流程

環境信息：
centos 7.2
mysql 5.7.21

1.下載解壓縮mysql包

cd /usr/local/
wget https://cdn.mysql.com//Downloads/MySQL-5.7/mysql-5.7.21-linux-glibc2.12-x86_64.tar.gz
tar xzvf mysql-5.7.21-linux-glibc2.12-x86_64.tar.gz
mv mysql-5.7.21-linux-glibc2.12-x86_64 mysql

2.初始化mysql基礎環境信息

vim /etc/profile
PATH=/usr/local/mysql/bin:/usr/local/mysql/lib:$PATH
export PATH
export MYSQL_HOME="/usr/local/mysql"
export ms="/usr/local/mysql"

3.初始化配置實例配置文件

mkdir -p /usr/local/mysql/data/mcdb
vi /usr/local/mysql/data/my.cnf

[client]
port = 3310
socket = /usr/local/mysql/data/mcdb/mysql.sock
[mysql]
no-auto-rehash
[mysqld]
user = mysql
port = 3310
socket = /usr/local/mysql/data/mcdb/mysql.sock
basedir = /usr/local/mysql
datadir = /usr/local/mysql/data
pid-file = /usr/local/mysql/data/mcdb/mysql.pid
relay-log = /usr/local/mysql/data/mcdb/relay-bin
relay-log-info-file = /usr/local/mysql/data/mcdb/relay-log.info
server-id = 12
[mysqld_safe]
log-error = /usr/local/mysql/data/mcdb/mysql.err
pid-file = /usr/local/mysql/data/mcdb/mysql.pid

4.新建用戶

groupadd mysql
useradd mysql -g mysql
chown mysql:mysql /usr/local/mysql -R

5.初始化mysql實例
mysqld --initialize --basedir=/usr/local/mysql --datadir=/usr/local/mysql/data/mcdb --user=mysql
從返回信息最後一行獲得密碼，舉個栗子：
yUlta1lw*uwF

6.移動配置文件到實例目錄，啓動該實例mysql

mv /usr/local/mysql/data/my.cnf /usr/local/mysql/data/mcdb/my.cnf
mysqld_safe --defaults-file=/usr/local/mysql/data/mcdb/my.cnf --user=mysql --basedir=/usr/local/mysql --datadir=/usr/local/mysql/data/mcdb &

7.登錄mysql
mysql -uroot -pyUlta1lw*uwF -S /usr/local/mysql/data/mcdb/mysql.sock

8.設定密碼

mysql> SET PASSWORD = PASSWORD('hello2018'); 
mysql> flush privileges;

9.創建用戶並開放遠程登錄權限
grant all privileges on *.* to 'bodie'@'%' identified by 'happybirthday' with grant option;