1. cd /opt

2. wget https://cdn.mysql.com//Downloads/MySQL-8.0/mysql-8.0.26-linux-glibc2.17-x86_64-minimal-rebuild.tar

3. tar xvf mysql-8.0.26-linux-glibc2.17-x86_64-minimal-rebuild.tar

4. tar xvf mysql-8.0.26-linux-glibc2.17-x86_64-minimal-rebuild.tar.xz

5. mv mysql-8.0.26-linux-glibc2.17-x86_64-minimal-rebuild mysql-8.0

6. groupadd mysql

7. useradd -g mysql mysql

8. chown -R mysql:mysql /opt/mysql-8.0

9. cd mysql-8.0/bin

10. ./mysqld --user=mysql --basedir=/opt/mysql-8.0 --datadir=/opt/mysql-8.0/data --initialize

11. vim /etc/my.cnf

[mysqld]
datadir=/opt/mysql-8.0/data
basedir=/opt/mysql-8.0
socket=/tmp/mysql.sock

12. cp /opt/mysql-8.0/support-files/mysql.server /etc/init.d/mysql

13. chkconfig --add mysql

14. service mysql start

14 ln -s /opt/mysql-8.0/bin/mysql /usr/bin/

15 mysql -u root -p

16 ALTER USER 'root'@'localhost' IDENTIFIED BY '123456';

17 flush privileges;