mysql-8.0.25_centos7_tar启动

. 25 -el7-x86_64]# ./bin/mysqld --initialize --user=mysql --basedir=/usr/local/mysql/mysql- 8.0 . 25 -el7-x86_64 --datadir=/usr/local/mysql/mysql- 8.0 . 25 -el7-x86_64/data --pid- file =/usr/local/mysql/mysql- 8.0 . 25 -el7-x86_64/data/mysql.pid -- explicit_defaults_for_timestamp 2021 - 06 -06T06: 27 : 44 .224106Z 0 [System] [MY- 013169 ] [Server] /usr/local/mysql/mysql- 8.0 . 25 -el7-x86_64/bin/mysqld (mysqld 8.0 . 25 ) initializing of server in progress as process 80717 2021 - 06 -06T06: 27 : 44 .238078Z 1 [System] [MY- 013576 ] [InnoDB] InnoDB initialization has started. 2021 - 06 -06T06: 27 : 45 .442357Z 1 [System] [MY- 013577 ] [InnoDB] InnoDB initialization has ended. 2021 - 06 -06T06: 27 : 48 .173559Z 6 [Note] [MY- 010454 ] [Server] A temporary password is generated for root@localhost: jma*_HL2yyzo

4.启动mysql服务 /usr/local/mysqlmysql-8.0.25-el7-x86_64/bin/mysqld &（最后的&为后台启动，可不写）

5.进入mysql /usr/local/mysqlmysql-8.0.25-el7-x86_64/bin/mysql -uroot -pjma*_HL2yyzo（密码为上面产生的随机密码）

7.修改密码并设置远程可连：

mysql> ALTER USER ‘  root  ‘ @ ‘  localhost  ‘  IDENTIFIED BY  ‘  123456  ‘  ;
Query OK,   0  rows affected ( 0.00   sec)

mysql > CREATE USER  ‘  root  ‘ @ ‘  %  ‘  IDENTIFIED BY  ‘  123456  ‘  ;
Query OK,   0  rows affected ( 0.02   sec)

mysql > GRANT ALL PRIVILEGES ON *.* TO  ‘  root  ‘ @ ‘  %  ‘   WITH GRANT OPTION;
Query OK,   0  rows affected ( 0.01   sec)

mysql >  flush privileges;
Query OK,   0  rows affected ( 0.00  sec)

 

mysql-8.0.25_centos7_tar启动

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