21 mysql绿色安装版

2024/8/5

MySQL绿色安装版

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#清空/etc目录下的my.conf
 ls -l /etc/my.cnf
rm -rf /etc/my.cnf
 yum -y remove mariadb
find / -name "*mysql*" -exec rm -rf  {} \;
将MySQL压缩包拉拽到机器里
 tar -xvf mysql-8.0.33-linux-glibc2.12-x86_64.tar
 tar -xf mysql-8.0.33-linux-glibc2.12-x86_64.tar.xz
cd mysql-8.0.33-linux-glibc2.12-x86_64
ls -l

复制执行文件到/etc/local/mysql

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[root@mysql ~]# cp -r mysql-8.0.33-linux-glibc2.12-x86_64 /usr/local/mysql/

查看是否存在用户mysql

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[root@mysql ~]# id mysql
uid=27(mysql) gid=27(mysql) 组=27(mysql)
[root@mysql ~]# usradd -r -s /sbin/nologin mysql  //没有的话添加用户

在/usr/local/mysql下创建mysql-files目录

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[root@mysql ~]# mkdir /usr/local/mysql/mysql-files

添加属组，权限

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[root@mysql ~]# chown mysql:mysql /usr/local/mysql/mysql-files/
[root@mysql ~]# chmod 750 /usr/local/mysql/mysql-files/
[root@mysql ~]# ll /usr/local/mysql/
drwxr-x---.  2 mysql mysql      6 8月   5 09:56 mysql-files

添加mysql到系统中去

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[root@mysql ~]# /usr/local/mysql/bin/mysqld --initialize --user=mysql --basedir=/usr/local/mysql/
2024-08-05T02:02:14.512638Z 0 [System] [MY-013169] [Server] /usr/local/mysql/bin/mysqld (mysqld 8.0.33) initializing of server in progress as process 3122
2024-08-05T02:02:14.521764Z 1 [System] [MY-013576] [InnoDB] InnoDB initialization has started.
2024-08-05T02:02:15.223070Z 1 [System] [MY-013577] [InnoDB] InnoDB initialization has ended.
2024-08-05T02:02:16.872935Z 6 [Note] [MY-010454] [Server] A temporary password is generated for root@localhost: zok*m6cVpInL   //下面要用mysql密码

查看是否成功

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[root@mysql ~]# cd /usr/local/mysql/
[root@mysql mysql]# ls
bin   docs     lib      man          README  support-files
data  include  LICENSE  mysql-files  share

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[root@mysql mysql]# 把mysql.server文件放到/etc/init.d/目录下
[root@mysql mysql]# 便于启动
[root@mysql mysql]# cp /usr/local/mysql/support-files/mysql.server /etc/init.d/mysql8
 查看并添加权限
 chown -R mysql:mysql /usr/local/mysql/data
 chmod -R 755 /usr/local/mysql/data

启动成功

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[root@mysql mysql]# service mysql8 start
Starting MySQL SUCCESS! 
[root@mysql mysql]# service mysql8 restart
 ERROR! MySQL server PID file could not be found!
Starting MySQL.. SUCCESS!

进入MySQL

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[root@mysql ~]# /usr/local/mysql/bin/mysql -uroot -p
Enter password:   //密码
ERROR 1045 (28000): Access denied for user 'root'@'localhost' (using password: YES)
[root@mysql ~]# /usr/local/mysql/bin/mysql -uroot -p
Enter password: 
Welcome to the MySQL monitor.  Commands end with ; or \g.
Your MySQL connection id is 11
Server version: 8.0.33

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