centos7.5 mysql 8 설치

전언

# MySQL  libaio 。          ，                      。    ，                。
yum install libaio

파일 업로드

#    ，         /usr/local/   ，         。    ，           

tar -xvf mysql-8.0.19-linux-glibc2.12-x86_64.tar.xz

#    mysql          
mkdir data

사용자 만들기, 폴더 권한 부여

#     MySQL     
groupadd mysql
useradd mysql -g mysql

chown mysql:mysql data

데이터 초기화

bin/mysqld --initialize --user=mysql --datadir /usr/local/mysql/data

초기 암호 가져오기

#      ，    data        ，     

[Note] [MY-010454] [Server] A temporary password is generated for root@localhost: 86rzK7!cyq?h

프로비저닝

## MySQL        
cp mysql.server /etc/init.d/

##            ，         
mv my.cnf my.cnf_bak

#      
/etc/init.d/mysql.server start

#       ，  ps      
[root@localhost etc]# ps -ef | grep mysql
root       7938      1  0 09:40 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      8023   7938  2 09:40 pts/0    00:00:01 /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       8070   7810  0 09:41 pts/0    00:00:00 grep --color=auto mysql


#     netstat     3306     
netstat -an | grep LISTEN


#         ，     ，           
[root@localhost etc]# mysql -u root -p
-bash: mysql: command not found


vim .bash_profile
#  mysql bin         
PATH=$PATH:$HOME/bin:/usr/local/mysql/bin

source .bash_profile
mysql -u root -p
Enter password:
        86rzK7!cyq?h


mysql> show databases;
ERROR 1820 (HY000): You must reset your password using ALTER USER statement before executing this statement.


#   ，        ，      

mysql> alter user user() identified by 'root';

Query OK, 0 rows affected (0.01 sec)

여기에서 mysql8 설치 완료