Centos7-Env

一、mysql

1. 下载mysql的repo源

$ wget http://repo.mysql.com/mysql-community-release-el7-5.noarch.rpm

出现问题:wget: command not found
问题原因:没有安装wget软件包
方案一:yum -y install wget(前提安装yum)

2. 安装mysql-community-release-el7-5.noarch.rpm包

$ sudo rpm -ivh mysql-community-release-el7-5.noarch.rpm

安装完毕会获得两个mysql的yum源:

  • /etc/yum.repos.d/mysql-community.repo
  • /etc/yum.repos.d/mysql-community-source.repo

3. 安装mysql

$ sudo yum install mysql-server

4. 重置密码

由于安装过程mysql登录密码随机生成,所以需要重置

1. cd bin
2. pwd
3. ./mysqladmin -u root -p password
enter new confirm pwd
(ps:grep "password" /var/log/mysqld.log)可以查看安装过程随机生成的密码

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