CentOS7安装mysql8.0.25el7x86_64.tar.gz

basedir=/opt/mysql/mysql-8.0.25-el7-x86_64
datadir=/opt/mysql/data

[mysqld]
datadir=/opt/mysql/data
# socket=/opt/mysql/mysql-8.0.25-el7-x86_64/mysql.sock
# Disabling symbolic-links is recommended to prevent assorted security risks
symbolic-links=0
# Settings user and group are ignored when systemd is used.
# If you need to run mysqld under a different user or group,
# customize your systemd unit file for mariadb according to the
# instructions in http://fedoraproject.org/wiki/Systemd 

[mysqld_safe]
log-error=/var/log/mariadb/mariadb.log
pid-file=/var/run/mariadb/mariadb.pid

# include all files from the config directory
!includedir /etc/my.cnf.d

groupadd mysql
useradd -r -g mysql -s /bin/false mysql

chown -R mysql:mysql /opt/mysql/data
chown -R mysql:mysql /opt/mysql/mysql-8.0.25-el7-x86_64

./bin/mysqld --user=mysql --base=/opt/mysql/mysql-8.0.25-el7-x86_64 --datadir=/opt/mysql/data --initialize

./support-files/mysql.server start