快速安装步骤:
```html/xml
useradd mysql -s /sbin/nologin -M
mkdir /data1/mysql8/{data,tmp,logs,undolog,binlog,etc} -p
chown -R mysql.mysql /data1/mysql8/
wget https://cdn.mysql.com//Downloads/MySQL-8.0/mysql-8.0.28-linux-glibc2.12-x86_64.tar.xz
tar -Jxf mysql-8.0.28-linux-glibc2.12-x86_64.tar.xz -C /usr/local/
/usr/local/mysql8/bin/mysqld --defaults-file=/data1/mysql8/etc/mysql8.0.my.cnf --initialize-insecure --user=mysql --datadir=/data1/mysql8/data/
ln -sv mysql-8.0.28-linux-glibc2.12-x86_64 mysql8
/usr/local/mysql8/bin/mysqld --defaults-file=/data1/mysql8/etc/mysql8.0.my.cnf &
或者
cp /usr/local/mysql8/support-files/mysql.server /etc/init.d/mysql8
cp /data1/mysql8/etc/mysql8.0.my.cnf /etc/my.cnf
chkconfig mysql8 on
/etc/init.d/mysql8 start
查看版本号:
/usr/local/mysql8/bin/mysql -uroot -p -S /data1/mysql8/mysql.sock -e "select version();"
关闭mysql服务:
/usr/local/mysql8/bin/mysql -uroot -p -S /data1/mysql8/mysql.sock -e "shutdown;"
设置密码:
alter user user() identified by 'Testdb666';
/usr/local/mysql8/bin/mysql -uroot -p'Testdb666' -S /data1/mysql8/mysql.sock -e "select version();"
采用admin管理员账户登陆:
/usr/local/mysql8/bin/mysql -uroot -p'Testdb666' -P33062 -S /data1/mysql8/mysql.sock -e "select version();"
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