首先官网下载安装包
然后上传解压至/usr/local目录
我要评论[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!
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