mysql 5.7 linux下的安装

下载地址

http://dev.mysql.com/downloads/mysql/

或者

https://cdn.mysql.com//Downloads/MySQL-5.7/mysql-5.7.31-linux-glibc2.12-x86_64.tar.gz

解压缩

#解压

tar -zxvf mysql-5.7.31-linux-glibc2.12-x86_64.tar.gz

#删除原有包

rm -rf mysql-5.7.31-linux-glibc2.12-x86_64.tar.gz

#修改文件夹名称

mv mysql-5.7.31-linux-glibc2.12-x86_64 mysql

添加mysql用户

groups mysql

groupadd mysql

useradd -r -g mysql mysql

groups mysql

cd mysql/

chown -R mysql:mysql ./

cp -ar mysql /usr/local

安装

cd /usr/local/mysql

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

临时root密码会在 安装日志中打印出来

启动

配置

vim /etc/my.cnf

[mysqld]

datadir=/usr/local/mysql/data

socket=/usr/local/mysql/data/mysql.sock

user=mysql

# Disabling symbolic-links is recommended to prevent assorted security risks

symbolic-links=0

[mysqld_safe]

log-error=/usr/local/mysql/logs/mysqld.log

pid-file=/usr/local/mysql/logs/mysqld.pid

[client]

port=3306

socket=/usr/local/mysql/data/mysql.sock

cd /usr/local/mysql/

./support-files/mysql.server start

配置环境变量

vim /etc/profile

export MYSQL_HOME=/usr/local/mysql

export PATH=$PATH:$MYSQL_HOME/bin

登录并设置密码权限等

mysql -uroot -hlocalhost.localdomain -p

mysql> set password=password('root')

mysql> flush privileges;

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

mysql> flush privileges;

加入services 开机启动

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

chkconfig --add mysqld

chkconfig mysqld on

service mysqld restart

service mysqld status

tips 如果报错

报错内容

/usr/local/mysql/bin/mysqld: error while loading shared libraries: libaio.so.1: cannot open shared object file: No such file or directory

解决

yum install libaio

报错内容

./mysqld: error while loading shared libraries: libnuma.so.1: cannot open shared object file: No such file or directory

解决

yum -y install numactl.x86_64