[置顶] CentOS7安装配置mysql5.7
2017-04-01 17:59
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CentOS7安装配置mysql5.7
环境介绍
操作系统: CentOS7.0MySQL版本:mysql-5.7.17-1.el7
准备
下载rpm包
本文主要介绍如何通过官方提供的RPM包安装mysql5.7, 安装前,请前往mysql官网下载mysql5.7的RPM安装包。我下载的是rpm的集合包:mysql-5.7.17-1.el7.x86_64.rpm-bundle.tar检查卸载mariadb-lib
#检查 [root@ares ~]# rpm -qa|grep mariadb mariadb-libs-5.5.35-3.el7.x86_64 #卸载 [root@ares ~]# rpm -e mariadb-libs-5.5.35-3.el7.x86_64 --nodeps
上传安装包到CentOS7并解压
其中,安装mysql-server, 需要以下几个必要的安装包:
mysql-community-client-5.7.17-1.el7.x86_64.rpm(依赖于libs)
mysql-community-common-5.7.17-1.el7.x86_64.rpm (依赖于common)
mysql-community-libs-5.7.17-1.el7.x86_64.rpm
mysql-community-server-5.7.17-1.el7.x86_64.rpm(依赖于common, client)
安装
安装依赖
安装上面四个包需要libaio的依赖, 需要通过以下命令安装:#安装libaio [root@ares mysql-5.7.17-1.el7.x86_64.rpm-bundle]# yum -y install libaio
安装mysql-server:
[root@ares mysql-5.7.17-1.el7.x86_64.rpm-bundle]# rpm -ivh mysql-community-common-5.7.17-1.el7.x86_64.rpm mysql-community-libs-5.7.17-1.el7.x86_64.rpm mysql-community-client-5.7.17-1.el7.x86_64.rpm mysql-community-server-5.7.17-1.el7.x86_64.rpm warning: mysql-community-common-5.7.17-1.el7.x86_64.rpm: Header V3 DSA/SHA1 Signature, key ID 5072e1f5: NOKEY Preparing... ################################# [100%] Updating / installing... 1:mysql-community-common-5.7.17-1.e################################# [ 25%] 2:mysql-community-libs-5.7.17-1.el7################################# [ 50%] 3:mysql-community-client-5.7.17-1.e################################# [ 75%] 4:mysql-community-server-5.7.17-1.e################################# [100%] [root@ares mysql-5.7.17-1.el7.x86_64.rpm-bundle]#
初始化数据库
[root@ares mysql-5.7.17-1.el7.x86_64.rpm-bundle]mysqld --initialize #在/var/log/mysqld.log生成随机密码
更改mysql数据库所属于用户及其所属于组
[root@ares mysql]# chown mysql:mysql /var/lib/mysql -R
启动mysql数据库
#启动mysql数据库 [root@ares mysql]# systemctl start mysqld.service # 到/root目录下寻找.mysql_secret文件 [root@ares ~]# cat .mysql_secret # Password set for user 'root@localhost' at 2017-04-01 03:08:05 =%Tyw*p&(wb # 更改root用户密码,新版的mysql在第一次登录后更改密码前是不能执行任何命令的 [root@ares ~]# mysql -u root -p '=%Tyw*p&(wbl'
更改密码
#更改密码: mysql> set password=password('Love88me'); Query OK, 0 rows affected, 1 warning (0.00 sec) mysql> flush privileges; mysql> grant all privileges on *.* to root@'%' identified by 'Love88me' with grant option; Query OK, 0 rows affected, 1 warning (0.01 sec) mysql> flush privileges; Query OK, 0 rows affected (0.01 sec)
防火墙配置远程访问
#开放3306端口号 [root@ares ~]# firewall-cmd --permanent --add-port=3306/tcp #重新加载防火墙 [root@ares ~]# firewall-cmd --reload # 查看防火墙配置,可以看出3306已经在例外了 [root@ares ~]# firewall-cmd --list-all public (default, active) interfaces: enp0s3 enp0s8 sources: services: dhcpv6-client ftp ssh ports: 3306/tcp masquerade: no forward-ports: icmp-blocks: rich rules:
注意
新版的mysql数据库下的user表中已经没有Password字段了,而是将加密后的用户密码存储于authentication_string字段相关文章推荐
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