yum update升级以后的系统版本为
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一般网上给出的资料都是
安装mysql和mysql-devel都成功,但是安装mysql-server失败,如下:
查资料发现是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,主要由开源社区在维护,采用GPL授权许可。开发这个分支的原因之一是:甲骨文公司收购了MySQL后,有将MySQL闭源的潜在风险,因此社区采用分支的方式来避开这个风险。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。
安装mariadb,大小59 M。
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
所以先启动数据库
然后就可以正常使用mysql了
安装mariadb后显示的也是 MariaDB [(none)]> ,可能看起来有点不习惯。下面是第二种方法。
2、方法二:官网下载安装mysql-server
安装成功后重启mysql服务。
初次安装mysql,root账户没有密码。
设置密码
不需要重启数据库即可生效。
在mysql安装过程中如下内容:
所以安装完以后mariadb自动就被替换了,将不再生效。
1、编码
mysql配置文件为/etc/my.cnf
最后加上编码配置
这里的字符编码必须和/usr/share/mysql/charsets/Index.xml中一致。
2、远程连接设置
把在所有数据库的所有表的所有权限赋值给位于所有IP地址的root用户。
如果是新用户而不是root,则要先新建用户
此时就可以进行远程连接了。
本文作者starof,因知识本身在变化,作者也在不断学习成长,文章内容也不定时更新,为避免误导读者,方便追根溯源,请诸位转载注明出处:http://www.cnblogs.com/starof/p/4680083.html有问题欢迎与我讨论,共同进步。
Mac Start Mariadb Command
User:Mac Start Mariadb Pro
I tried to redeem the key below from the extension menu. The process started and after a while, I got an error message that the installation of code editor failed. Clicking off of that, I got a message that the key was redeemed successfully. Going back to the pages, they still are not being displayed properly and there are no code editor options.User: Try to reinstall the app: