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centos7 mysql安装
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CentOS Linux release 7.2.1511 (Core)
二、mysql安装
安装mysql和mysql-devel都成功,但是安装mysql-server失败,如下:
[root@localhost home]# yum install mysql-server
已加载插件:fastestmirror, langpacks
Repodata is over 2 weeks old. Install yum-cron? Or run: yum makecache fast
base | 3.6 kB 00:00:00
extras | 3.4 kB 00:00:00
updates | 3.4 kB 00:00:00
(1/4): base/7/x86_64/group_gz | 155 kB 00:00:01
(2/4): extras/7/x86_64/primary_db | 139 kB 00:00:01
(3/4): base/7/x86_64/primary_db | 5.6 MB 00:00:38
(4/4): updates/7/x86_64/primary_db | 4.7 MB 00:00:39
Loading mirror speeds from cached hostfile
* base: mirrors.163.com
* extras: mirrors.163.com
* updates: mirrors.163.com
没有可用软件包 mysql-server。
错误:无须任何处理
出现这样问题是CentOS 7 版本将MySQL数据库软件从默认的程序列表中移除,用mariadb代替了
有两种解决办法:
1、方法一:安装mariadb
MariaDB数据库管理系统是MySQL的一个分支,采用GPL授权许可 MariaDB的目的是完全兼容MySQL,包括API和命令行,使之能轻松成为MySQL的代替品。MariaDB由MySQL的创始人Michael Widenius(英语:Michael Widenius)主导开发,他早前将自己创建的公司MySQL AB卖给了SUN,此后,随着SUN被甲骨文收购,MySQL的所有权也落入Oracle的手中。MariaDB名称来自Michael Widenius的女儿Maria的名字。
安装mariadb,输入安装命令
[root@localhost home]# yum install mariadb-server mariadb
mariadb数据库的相关命令是:
systemctl start mariadb #启动MariaDB
systemctl stop mariadb #停止MariaDB
systemctl restart mariadb #重启MariaDB
systemctl enable mariadb #设置开机启动
先启动数据库
[root@yl-web yl]# systemctl start mariadb
默认无密码
[root@localhost lzh]# mysql -u root -p
Enter password:
Welcome to the MariaDB monitor. Commands end with ; or \g.
Your MariaDB connection id is 6
Server version: 5.5.52-MariaDB MariaDB Server
Copyright (c) 2000, 2016, Oracle, MariaDB Corporation Ab and others.
Type ‘help;‘ or ‘\h‘ for help. Type ‘\c‘ to clear the current input statement.
MariaDB [(none)]> show databases;
+--------------------+
| Database |
+--------------------+
| information_schema |
| mysql |
| performance_schema |
| test |
+--------------------+
4 rows in set (0.01 sec)
2、方法二:官网下载安装mysql-server
# wget http://dev.mysql.com/get/mysql-community-release-el7-5.noarch.rpm
# rpm -ivh mysql-community-release-el7-5.noarch.rpm
# yum install mysql-community-server
安装成功后重启mysql服务
# service mysqld restart
初次安装mysql,root账户没有密码
[root@localhost lzh]# mysql -u root
Welcome to the MySQL monitor. Commands end with ; or \g.
Your MySQL connection id is 3
Server version: 5.6.26 MySQL Community Server (GPL)
Copyright (c) 2000, 2015, Oracle and/or its affiliates. All rights reserved.
Oracle is a registered trademark of Oracle Corporation and/or its
affiliates. Other names may be trademarks of their respective
owners.
Type ‘help;‘ or ‘\h‘ for help. Type ‘\c‘ to clear the current input statement.
mysql> show databases;
+--------------------+
| Database |
+--------------------+
| information_schema |
| mysql |
| performance_schema |
| test |
+--------------------+
4 rows in set (0.01 sec)
设置密码
mysql> set password for ‘root‘@‘localhost‘ =password(‘password‘);
Query OK, 0 rows affected (0.00 sec)
安装完以后mariadb自动就被替换了,将不再生效。
[root@localhost lzh]# rpm -qa |grep mariadb
centos7 mysql安装
标签:重启 cat system com test emctl 命令行 end 下载
本文系统来源:http://www.cnblogs.com/steven520213/p/6723043.html
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