此次演示的是mysql 8.0.11的安装、启动与基本设置。 下载mysql-8.0.11-el7-x86_64.tar.gz

1、解压并重命名

[[email protected] ~]# cd /data

[[email protected] data]# ls

mysql-8.0.11-el7-x86_64.tar.gz

[[email protected] data]# tar -zxf mysql-8.0.11-el7-x86_64.tar.gz

[[email protected] data]# mv mysql-8.0.11-el7-x86_64 mysql

2、创建mysql用户

[[email protected] data]# useradd -M -s /sbin/nologin mysql

3、初始化数据库

[[email protected] data]# cd mysql/

[[email protected] mysql]# ./bin/mysqld --initialize --user=mysql --datadir=/data/mysql/data

2018-04-26T03:06:01.637456Z 0 [Warning] [MY-011070] [Server] ‘Disabling symbolic links using --skip-symbolic-links (or equivalent) is the default. Consider not using this option as it‘ is deprecated and will be removed in a future release.

2018-04-26T03:06:01.637709Z 0 [System] [MY-013169] [Server] /data/mysql/bin/mysqld (mysqld 8.0.11) initializing of server in progress as process 53030

2018-04-26T03:06:17.384428Z 5 [Note] [MY-010454] [Server] A temporary password is generated for [email protected]: *wbnbphswv8>K*此为数据库初始密码

2018-04-26T03:06:26.959938Z 0 [System] [MY-013170] [Server] /data/mysql/bin/mysqld (mysqld 8.0.11) initializing of server has completed

4、编辑配置文件

[[email protected] mysql]# vim /etc/my.cnf

[client]

port = 3306

socket = /tmp/mysql.sock

[mysqld]

datadir=/data/mysql/data

socket=/tmp/mysql.sock

port=3306

user=mysql

basedir=/data/mysql

symbolic-links=0

[mysqld_safe]

log-error=/data/mysql/data/error.log

pid-file=/data/mysql/data/mysql.pid

5、启动

[[email protected] mysql]# ./bin/mysqld --defaults-file=/etc/my.cnf &

[1] 53216

[[email protected] mysql]# 2018-04-26T03:18:05.050872Z 0 [Warning] [MY-011070] [Server] ‘Disabling symbolic links using --skip-symbolic-links (or equivalent) is the default. Consider not using this option as it‘ is deprecated and will be removed in a future release.

2018-04-26T03:18:05.051064Z 0 [System] [MY-010116] [Server] /data/mysql/bin/mysqld (mysqld 8.0.11) starting as process 53216

2018-04-26T03:18:06.208674Z 0 [Warning] [MY-010068] [Server] CA certificate ca.pem is self signed.

2018-04-26T03:18:06.240611Z 0 [System] [MY-010931] [Server] /data/mysql/bin/mysqld: ready for connections. Version: ‘8.0.11‘ socket: ‘/tmp/mysql.sock‘ port: 3306 MySQL Community Server - GPL.

6、查看进程

[[email protected] mysql]# ps aux| grep mysql

qiang 10783 0.0 0.2 165020 4452 pts/0 S+ 14:38 0:00 /data/mysql/bin/mysql -uroot -p

qiang 12866 0.0 0.0 112664 972 pts/1 R+ 15:19 0:00 grep --color=auto mysql

root 14040 0.0 0.0 113252 1528 ? S 8月07 0:00 /bin/sh /data/mysql/bin/mysqld_safe --datadir=/data/mysql/data --pid-file=/data/mysql/data/baobao.pid

mysql 14231 0.3 20.3 1365424 382536 ? Sl 8月07 14:47 /data/mysql/bin/mysqld --basedir=/data/mysq --datadir=/data/mysql/data --plugin-dir=/data/mysql/lib/plugin --user=mysql --log-error=/data/mysql/data/mysql_error.log --pid-file=/data/mysql/data/baobao.pid --socket=/tmp/mysql.sock --port=13306

7、设置启动脚本

[[email protected] mysql]# cp ./support-files/mysql.server /etc/init.d/mysqld

修改启动参数

[[email protected] mysql]# vi /etc/init.d/mysqld

basedir=/data/mysql

datadir=/data/mysql/data

8、关闭与启动

停止

[[email protected] data]# /etc/init.d/mysqld stop

Shutting down MySQL... SUCCESS!

启动

[[email protected] ~]# /etc/init.d/mysqld start

Starting MySQL.... SUCCESS!

9、数据库简单设置

[[email protected] mysql]# ./bin/mysql -uroot -p

Enter password: wbnbphswv8>K

Welcome to the MySQL monitor. Commands end with ; or \g.

Your MySQL connection id is 9

Server version: 8.0.11

Copyright (c) 2000, 2018, Oracle and/or its affiliates. All rights reserved.

Oracle is a registered trademark of Oracle Corporation and/or its

affiliates. Other names may be trademarks of their respective

owners.

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

mysql> show databases;

ERROR 1820 (HY000): You must reset your password using ALTER USER statement before executing this statement.

mysql> alter user [email protected] identified by ‘123123‘;

Query OK, 0 rows affected (0.14 sec)

mysql> show databases;

+--------------------+

| Database |

+--------------------+

| information_schema |

| mysql |

| performance_schema |

| sys |

+--------------------+

4 rows in set (0.10 sec)

mysql>