Linux安装Mysql5.7

yum install wget
yum -y install libaio

wget https://cdn.mysql.com//Downloads/MySQL-5.7/mysql-5.7.40-linux-glibc2.12-x86_64.tar.gz

tar -xvf mysql-5.7.40-linux-glibc2.12-x86_64.tar.gz

mv mysql-5.7.40-linux-glibc2.12-x86_64 /usr/local/mysql

groupadd mysql
useradd -r -g mysql mysql

mkdir -p  /data/mysql              #创建目录
chown mysql:mysql -R /data/mysql   #赋予权限

vim /etc/my.cnf

[mysqld]
bind-address=0.0.0.0
port=3306
user=mysql
basedir=/usr/local/mysql
datadir=/data/mysql
socket=/tmp/mysql.sock
log-error=/data/mysql/mysql.err
pid-file=/data/mysql/mysql.pid
character_set_server=utf8mb4
symbolic-links=0
explicit_defaults_for_timestamp=true
lower_case_table_names=1
max_allowed_packet=524288000

cd /usr/local/mysql/bin/

./mysqld --defaults-file=/etc/my.cnf --basedir=/usr/local/mysql/ --datadir=/data/mysql/ --user=mysql --initialize

cat /data/mysql/mysql.err

cp /usr/local/mysql/support-files/mysql.server /etc/init.d/mysql

service mysql start
 
ps -ef|grep mysql

./mysql -u root -p   #bin目录下

SET PASSWORD = PASSWORD('root');
ALTER USER 'root'@'localhost' PASSWORD EXPIRE NEVER;
FLUSH PRIVILEGES; 

use mysql                                            #访问mysql库
update user set host = '%' where user = 'root';      #使root能再任何host访问
FLUSH PRIVILEGES;                                    #刷新

ln -s  /usr/local/mysql/bin/mysql    /usr/bin