一,准备

1,先查看Linux是32位还是64位

getconf LONG_BIT

如果返回的是32，那么就是32位

如果返回的是64，那么就是64位

2,如果服务器不能联网,就先去官网下载好压缩包,然后上传到服务器

下载地址:https://dev.mysql.com/downloads/mysql/5.7.html#downloads

我这里下载的是64位的5.7.24版本的

二,开始安装

1,检查是否已安装过mariadb，若有便删除(linux系统自带的)

[root@localhost /]# rpm -qa | grepmariadb

[root@localhost/]# rpm -e --nodeps mariadb-libs-5.5.44-2.el7.centos.x86_64

2,检查是否已安装过mysql，若有便删除(linux系统自带的)

[root@localhost /]# rpm -qa | grepmysql

[root@localhost/]# rpm -e –-nodeps mysql-libs-5.1.52.x86_64

3,检查mysql组和用户是否存在，如无创建：

[root@localhost ~]# cat /etc/group | grepmysql

[root@localhost~]# cat /etc/passwd |grepmysql

[root@localhost~]# groupadd mysql

[root@localhost~]# useradd -r -g mysql mysql

4,将下载的安装包上传到服务器的/home文件夹下,然后解压

tar -zxvf mysql-5.7.24-linux-glibc2.12-x86_64.tar.gz

将解压后的文件夹移动到/usr/local下,并将目录名称改为mysql

mv /home/mysql-5.7.24-linux-glibc2.12-x86_64 /usr/local/mysql

5,在mysql下添加data目录

[root@localhost ~]# mkdir /usr/local/mysql/data

6,更改mysql目录下所有的目录及文件夹所属组合用户

[root@localhost /]# cd /usr/local/[root@localhost local]#chown -R mysql:mysql mysql/[root@localhost local]#chmod -R 755 mysql/

7,编译安装并初始化mysql，记住命令行末尾的密码：

[root@localhost local]# /usr/local/mysql/bin/mysqld --initialize --user=mysql --datadir=/usr/local/mysql/data --basedir=/usr/local/mysql2017-08-31T08:50:23.910440Z 0 [Warning] TIMESTAMP with implicit DEFAULT value is deprecated. Please use --explicit_defaults_for_timestamp server option (see documentation for moredetails).2017-08-31T08:50:23.910635Z 0 [ERROR] Can't find error-message file'/usr/local/mysql/--datadir=/usr/local/mysql/data/share/errmsg.sys'. Check error-message file location and'lc-messages-dir'con

figuration directive.2017-08-31T08:50:24.709286Z 0 [Warning] InnoDB: New log files created, LSN=45790

2017-08-31T08:50:24.767540Z 0[Warning] InnoDB: Creating foreign key constraint system tables.2017-08-31T08:50:24.892629Z 0 [Warning] No existing UUID has been found, so we assume that this is the first time that this server has been started. Generating a new UUID: 6e083b8f-8e29-11e7-88b1-005056b427be.2017-08-31T08:50:24.895674Z 0 [Warning] Gtid table is not ready to be used. Table 'mysql.gtid_executed'cannot be opened.2017-08-31T08:50:24.896645Z 1 [Note] A temporary password is generated for root@localhost: gFamcspKm2+u

8,启动mysql服务

[root@localhost local]# /usr/local/mysql/support-files/mysql.server start

9,做个软连接，重启服务

[root@localhost local]# ln -s /usr/local/mysql/support-files/mysql.server /etc/init.d/mysql

[root@localhost local]# service mysql restart

Shutting down MySQL.. SUCCESS!Starting MySQL. SUCCESS!

10,做个软链接，将安装目录下的mysql 放在/usr/bin 目录下(这一步我好像没有操作)

[root@localhost local]# ln -s /usr/local/mysql/bin/mysql /usr/bin

11,登录msyql，输入密码(密码为步骤7初始化生成的密码)

[root@localhost local]# mysql -u root -p

Enter password:

12,修改密码并开放远程

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

mysql>use mysql;

msyql>update user set user.Host='%' where user.User='root';

mysql>flush privileges;

mysql>quit

13,编辑my.cnf，添加配置文件，配置内容为

[root@localhost local]# vi /usr/local/mysql/my.cnf

[mysqld]

port= 3306sql_mode=transaction_isolation=READ-COMMITTED

log_bin_trust_function_creators=1lower_case_table_names=1binlog_format=mixed

14,重启mysql

service mysqld restart

参考:https://www.cnblogs.com/fangts/p/8994851.html

三,遇到的问题

1,查看mysql是否启动的时候service mysql status报错

信息如下:

ERROR! MySQL is not running, but lock file (/var/lock/subsys/mysql) exists

解决方法如下:

rm /var/lock/subsys/mysql

2,启动mysql的时候service mysql start报错,

错误信息如下:

Starting MySQL...The server quit without updating PID file [失败]lib/mysql/localhost.localdomain.pid)

原因及解决方法:是因为my.cnf配置文件中有一个配置写错了,去掉就可以了

四,创建数据库

CREATE DATABASE `datashare` DEFAULT CHARACTER SET utf8 COLLATE utf8_general_ci

五,导入.sql文件

1,登录mysql

[root@localhost local]# mysql -u root -p

Enter password:

2,选择数据库

mysql>use datashare;

3,导入数据(注意sql文件的路径)

mysql>source /home/datashare.sql;

4,查看数据库

show databases;

查看表

show tables;