Centos7与Fedora24安装mysql后无法启动,提示 Unit mysql.service failed to load:No such file or directory
2016-08-01 14:33
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不想装oracle,心想装个mysql轻便一点,我用的linux版本是Fedora24.执行完yum安装命令后发现竟然无法启动错误提示如下
因此用上述命令启动不起来,正确的方法如下
---------------------------------------------------------------------------------------------------不华丽的分割线--------------------------------------------------------------------------------------------------------
如果你不想用这个方法解决这个问题,还有一个方法,不过个人并不推荐此方法,这个方法就是在 /etc/systemd/system/mysqld.service 添加Unit,既然错误提示找不到Unit那我们添加一个就好了。在 /etc/systemd/system/mysqld.service下添加如下内容
这样我们就可以用
这第二种方法未经本人亲自验证,不知是否有效,如果有效的话,还希望反馈。谢谢。之所以把他贴出来,是因为觉得这是一个解决问题的思路。
[root@localhost ~]# systemctl start mysql.service Failed to start mysql.service: Unit mysql.service not found.查了半天资料,终于了解到MariaDB代替了mysql数据库,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。
因此用上述命令启动不起来,正确的方法如下
# yum install mariadb-server -y //如果已安装可以省略 # systemctl start mariadb.service //启动服务 # systemctl enable mariadb.service //开机启动服务 # mysql -u root -p //登录mysql
---------------------------------------------------------------------------------------------------不华丽的分割线--------------------------------------------------------------------------------------------------------
如果你不想用这个方法解决这个问题,还有一个方法,不过个人并不推荐此方法,这个方法就是在 /etc/systemd/system/mysqld.service 添加Unit,既然错误提示找不到Unit那我们添加一个就好了。在 /etc/systemd/system/mysqld.service下添加如下内容
[Unit] Description=MySQL Server After=network.target [Service] ExecStart=/usr/bin/mysqld --defaults-file=/etc/mysql/my.cnf --datadir=/var/lib/mysql --socket=/var/run/mysqld/mysqld.sock User=mysql Group=mysql WorkingDirectory=/usr [Install] WantedBy=multi-user.target然后运行
systemctl daemon-reload刷新缓存
这样我们就可以用
systemctl start mysql.service启动mysql了
这第二种方法未经本人亲自验证,不知是否有效,如果有效的话,还希望反馈。谢谢。之所以把他贴出来,是因为觉得这是一个解决问题的思路。
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