CentOS 7安装Mysql并设置开机自启动

Posted 2021-12-02 crazy-liu

 

CentOS 7不带mysql数据库了，默认的数据库是MariaDB（Mysql的一个分支）。

可以按照以下步骤手动安装Mysql数据库。

0. 看起来mysql又提供yum安装了。

yum install mysql-server

后面的没时间可以不看了。

1. 下载rpm安装文件

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

2. 执行rpm安装

rpm -ivh mysql-community-release-el7.rpm

依赖解析完成后，出现下列选项：

 1 Dependencies Resolved
 2 
 3 ================================================================================================================================================================
 4  Package                                                  Arch                 Version                  Repository                          Size
 5 ================================================================================================================================================================
 6 Installing:
 7  mysql-community-libs                                    x86_64              5.6.32-2.el7             mysql56-community                    2.0 M
 8  replacing  mariadb-libs.x86_64 1:5.5.47-1.el7_2
 9  mysql-community-server                                  x86_64              5.6.32-2.el7             mysql56-community                     59 M
10  Installing for dependencies:
11  mysql-community-client                                  x86_64              5.6.32-2.el7             mysql56-community                     19 M
12  mysql-community-common                                  x86_64              5.6.32-2.el7             mysql56-community                    256 k
13  perl-Compress-Raw-Bzip2                                 x86_64              2.061-3.el7              base                                  32 k
14  perl-Compress-Raw-Zlib                                  x86_64              1:2.061-4.el7            base                                  57 k
15  perl-DBI                                                x86_64              1.627-4.el7              base                                 802 k
16  perl-IO-Compress                                        noarch              2.061-2.el7              base                                 260 k
17  perl-Net-Daemon                                         noarch              0.48-5.el7               base                                  51 k
18  perl-PlRPC                                              noarch              0.2020-14.el7            base                                  36 k
19 
20 Transaction Summary
21 ================================================================================================================================================================
22 Install  2 Packages (+8 Dependent packages)
23 
24 Total download size: 82 M
25 Is this ok [y/d/N]: 

3.yum install mysql-server即可。

可以看出，server和client都被选择安装。选择y，自动下载安装。

4. 安装完成后，启动Mysql。

systemctl start  mysqld.service

查看默认密码

[[email protected] 01]# cat /var/log/mysqld.log | grep password
2019-05-23T08:15:53.202062Z 1 [Note] A temporary password is generated for [email protected]: k=wh6S7-)3VH ##这个就是密码

 

5. 设置root密码。

登录进去后修改密码：https://www.cnblogs.com/Crazy-Liu/p/10912599.html

6. 开机自启动。

systemctl enable mysqld  ##centos7