Linux下的mysql5 7的安裝

安裝mysql

解壓mysql安裝包

tar -zxvf mysql-5.7.22-linux-glibc2.12-x86_64.tar.gz 

mv mysql-5.7.22-linux-glibc2.12-x86_64 /usr/local/mysql

groupadd mysql

useradd -r -g mysql mysql

mkdir /usr/local/mysql/data

chown -r mysql:mysql /usr/local/mysql

cd /usr/local/mysql

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

chown -r root:root ./

chown -r mysql:mysql data

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

vim /etc/my.cnf

[mysqld]
basedir=/usr/local/mysql
datadir=/usr/local/mysql/data
socket=/tmp/mysql.sock
user=mysql
port=3306
character-set-server=utf8
symbolic-links=0
​ [mysqld_safe]
log-error=/var/log/mysqld.log
pid-file=/var/run/mysqld/mysqld.pid
​ !includedir /etc/my.cnf.d

修改my.cnf配置

[mysqld]

datadir=/usr/local/mysql/data
basedir=/usr/local/mysql
socket=/tmp/mysql.sock
user=mysql
port=3306
character-set-server=utf8
# 跳過密碼驗證
skip-grant-tables 
symbolic-links=0
​ [mysqld_safe]
log-error=/var/log/mysqld.log
pid-file=/var/run/mysqld/mysqld.pid
​ !includedir /etc/my.cnf.d

service mysql restart

mysql> alter user 'root'@'localhost' identified by '123456';

mysql> flush privileges;

mysql> grant all privileges on *.* to 'root'@'%'identified by '123456' with grant option;

mysql> flush privileges;

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