二进制包安装Mysql

1

2

3

4

[root@youxi1 ~]# rpm -qa | grep mysql

[root@youxi1 ~]# rpm -qa | grep mariadb

mariadb-libs-5.5.56-2.el7.x86_64

[root@youxi1 ~]# yum -y remove mariadb-libs.x86_64

1

[root@youxi1 ~]# useradd -M -s /sbin/nologin -r mysql　　//-M不创建主目录，-s /sbin/nologin不允许登录，-r创建的是系统用户

1

[root@youxi1 ~]# yum install libaio

1

2

3

4

5

6

7

8

9

10

11

12

13

[root@youxi1 ~]# tar zxf mysql-5.7.26-linux-glibc2.12-x86_64.tar.gz -C /usr/local/　　//解压

[root@youxi1 ~]# cd /usr/local/

[root@youxi1 local]# mv mysql-5.7.26-linux-glibc2.12-x86_64/ mysql　　//文件夹重命名，不然配置文件要写很长一段

[root@youxi1 local]# cd mysql/

[root@youxi1 mysql]# mkdir data　　//创建数据目录

[root@youxi1 mysql]# chown -R mysql.mysql /usr/local/mysql/　　//修改所属主和所属组

[root@youxi1 mysql]# bin/mysqld --initialize --user=mysql --basedir=/usr/local/mysql --datadir=/usr/local/mysql/data　　//初始化

2019-06-26T07:12:23.842578Z 0 [Warning] TIMESTAMP with implicit DEFAULT value is deprecated. Please use --explicit_defaults_for_timestamp server option (see documentation for more details).

2019-06-26T07:12:25.699399Z 0 [Warning] InnoDB: New log files created, LSN=45790

2019-06-26T07:12:25.920250Z 0 [Warning] InnoDB: Creating foreign key constraint system tables.

2019-06-26T07:12:25.998106Z 0 [Warning] No existing UUID has been found, so we assume that this is the first time that this server has been started. Generating a new UUID: c03a1dc7-97e1-11e9-acca-000c29e6d627.

2019-06-26T07:12:26.041964Z 0 [Warning] Gtid table is not ready to be used. Table 'mysql.gtid_executed' cannot be opened.

2019-06-26T07:12:26.044143Z 1 [Note] A temporary password is generated for root@localhost: jcJ3Ncguf:ql　　//显示root@localhost第一次登录的随机密码

1

2

3

4

5

6

7

8

9

10

11

12

13

[root@youxi1 mysql]# vim /etc/my.cnf

[mysqld]

basedir=/usr/local/mysql

datadir=/usr/local/mysql/data

port=3306

socket=/usr/local/mysql/mysql.sock

character-set-server=utf8

log-error=/var/log/mysqld.log

pid-file=/tmp/mysqld.pid

[mysql]

socket=/usr/local/mysql/mysql.sock

[client]

socket=/usr/local/mysql/mysql.sock

1

2

3

[root@youxi1 mysql]# vim /etc/profile.d/mysql.sh

export PATH=/usr/local/mysql/bin:$PATH

[root@youxi1 mysql]# . /etc/profile.d/mysql.sh　　//两种刷新方式，还可以使用source /etc/profile.d/mysql.sh

1

2

3

4

5

6

7

[root@youxi1 mysql]# cp support-files/mysql.server /etc/init.d/mysqld

[root@youxi1 mysql]# chmod +x /etc/init.d/mysqld

[root@youxi1 mysql]# vim /etc/init.d/mysqld

basedir=/usr/local/mysql　　//在第46~47行

datadir=/usr/local/mysql/data

[root@youxi1 mysql]# /etc/init.d/mysqld start

Starting MySQL. SUCCESS!

1

2

3

4

5

6

7

8

9

10

11

[root@youxi1 mysql]# mysql -uroot -p'jcJ3Ncguf:ql'

mysql> set password for root@localhost=password('123456');

Query OK, 0 rows affected, 1 warning (0.00 sec)

mysql> show variables like 'validate_password%';　　//可以看到没有密码复杂度插件

Empty set (0.01 sec)

mysql> exit

Bye

[root@youxi1 mysql]# mysql -uroot -p123456

mysql>