首先官网下载安装包https://dev.mysql.com/downloads/mysql/5.7.html#downloads

然后上传解压至/usr/local目录

[root@localhost db]# tar -xf mysql-5.7.26-linux-glibc2.12-x86_64.tar

[root@localhost db]# tar -xzf mysql-5.7.26-linux-glibc2.12-x86_64.tar.gz

[root@localhost db]# mv mysql-5.7.26-linux-glibc2.12-x86_64 /usr/local/mysql

[root@localhost db]#

然后创建mysql用户和组以及数据目录

[root@localhost db]# mv mysql-5.7.26-linux-glibc2.12-x86_64 /usr/local/mysql

[root@localhost db]# groupadd mysql

[root@localhost db]# useradd mysql -g mysql

[root@localhost db]# cd /usr/local/mysql

[root@localhost mysql]# mkdir data

[root@localhost mysql]# chown mysql: -R /usr/local/mysql/

[root@localhost mysql]#

然后初始化数据并记录临时密码

[root@localhost mysql]# bin/mysqld --initialize --user=mysql --datadir /usr/local/mysql/data

2019-07-26T01:34:24.479757Z 0 [Warning] TIMESTAMP with implicit DEFAULT value is deprecated. Please use --explicit_defaults_for_timestamp server option (see documentation for more details).

2019-07-26T01:34:24.682695Z 0 [Warning] InnoDB: New log files created, LSN=45790

2019-07-26T01:34:24.717419Z 0 [Warning] InnoDB: Creating foreign key constraint system tables.

2019-07-26T01:34:24.723157Z 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: 8009a802-af45-11e9-839c-000c29984aae.

2019-07-26T01:34:24.723996Z 0 [Warning] Gtid table is not ready to be used. Table 'mysql.gtid_executed' cannot be opened.

2019-07-26T01:34:24.724629Z 1 [Note] A temporary password is generated for root@localhost: ucZ5w5ZkSq;1

[root@localhost mysql]#

然后修改/etc/my.cnf配置文件中datadir为/usr/local/mysql/data

[root@localhost mysql]# cat /etc/my.cnf

[mysqld]

datadir=/usr/local/mysql/data

[root@localhost mysql]#

然后将mysql加入init.d目录并启动mysql

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

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

Starting MySQL.Logging to '/usr/local/mysql/data/localhost.localdomain.err'.

SUCCESS!

[root@localhost mysql]# ps -ef|grep mysql

root 12957 1 0 09:37 pts/0 00:00:00 /bin/sh /usr/local/mysql/bin/mysqld_safe --datadir=/usr/local/mysql/data --pid-file=/usr/local/mysql/data/localhost.localdomain.pid

mysql 13057 12957 4 09:37 pts/0 00:00:00 /usr/local/mysql/bin/mysqld --basedir=/usr/local/mysql --datadir=/usr/local/mysql/data --plugin-dir=/usr/local/mysql/lib/plugin --user=mysql --log-error=localhost.localdomain.err --pid-file=/usr/local/mysql/data/localhost.localdomain.pid

root 13092 10198 0 09:37 pts/0 00:00:00 grep --color=auto mysql

[root@localhost mysql]#

最后mysql/bin加入path,并登陆数据库并重设密码

[root@localhost bin]# ./mysql -u root -p

Enter password:

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

Your MySQL connection id is 2

Server version: 5.7.26

Copyright (c) 2000, 2019, 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> set password=password('mysql');

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

mysql> exit

Bye

[root@localhost bin]# ./mysql -u root -p

Enter password:

ERROR 1045 (28000): Access denied for user 'root'@'localhost' (using password: YES)

[root@localhost bin]# ./mysql -u root -p

Enter password:

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

Your MySQL connection id is 4

Server version: 5.7.26 MySQL Community Server (GPL)

Copyright (c) 2000, 2019, 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;

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

| Database |

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

| information_schema |

| mysql |

| performance_schema |

| sys |

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

4 rows in set (0.01 sec)

mysql>

ojbk,then have fun!

总结

以上所述是小编给大家介绍的OEL7.6源码安装MYSQL5.7的教程,希望对大家有所帮助，如果大家有任何疑问请给我留言，小编会及时回复大家的。在此也非常感谢大家对我们网站的支持！

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