[{"data":1,"prerenderedAt":240},["ShallowReactive",2],{"tag-mysql-1":3},{"title":4,"articles":5,"hot_article":25,"month_arch":88,"total":236,"cover":237},"mysql - 独孤影的博客",[6,16],{"id":7,"title":8,"uri":8,"author":9,"tags":10,"created_at":13,"view_count":14,"content":15},35,"mysql数据库的初始化","duguying",[11,12],"mysql","初始化","2016-06-04 21:17:59",3198,"\u003Cp>对于编译安装的mysql数据库，编译安装完成后首先就要进行简单的配置和初始化。\u003C\u002Fp>\u003Cp>\u003Cstrong>mysql 5.5版本\u003C\u002Fstrong>\u003C\u002Fp>\u003Cp>配置服务\u003C\u002Fp>\u003Cpre class=\"brush:bash;toolbar:false\">cp \u002Fusr\u002Flocal\u002Fmysql\u002Fsupport-files\u002Fmysql.server \u002Fetc\u002Finit.d\u002Fmysql\nchkconfig --add mysql\nchkconfig mysql on\u003C\u002Fpre>\u003Cp>编辑配置文件 \u002Fetc\u002Fmy.cnf，默认datadir=\u002Fvar\u002Flib\u002Fmysql，确认\u002Fvar\u002Flib\u002Fmysql目录存在，默认log-error=\u002Fvar\u002Flog\u002Fmariadb\u002Fmariadb.log，确认\u002Fvar\u002Flog\u002Fmariadb\u002Fmariadb.log文件存在，若不存在则创建。后续启动服务器可以监控日志文件查看错误日志。\u003C\u002Fp>\u003Cp>如此配置后便可以通过service mysql start启动mysql服务了，不过此时无法成功启动，还需初始化mysql系统表\u003Cbr\u002F>\u003C\u002Fp>\u003Cpre class=\"brush:bash;toolbar:false\">cd \u002Fusr\u002Flocal\u002Fmysql\n.\u002Fscripts\u002Fmysql_install_db\u003C\u002Fpre>\u003Cp>使用 service mysql start 启动服务器便可以正常启动。\u003C\u002Fp>\u003Cp>mysql 5.7版本\u003C\u002Fp>\u003Cp>配置服务与上述5.5版本一致，按下面方法初始化数据库\u003C\u002Fp>\u003Cpre class=\"brush:bash;toolbar:false\">cd \u002Fusr\u002Flocal\u002Fmysql\u002Fbin\n.\u002Fmysql_install_db --basedir=\u002Fusr\u002Flocal\u002Fmysql --datadir=\u002Fusr\u002Flocal\u002Fmysql --user=root --force\u003C\u002Fpre>\u003Cp>使用 service mysql start 启动服务器。\u003Cbr\u002F>\u003C\u002Fp>",{"id":17,"title":18,"uri":18,"author":9,"tags":19,"created_at":22,"view_count":23,"content":24},34,"mysql 5.7重置密码",[11,20,21],"密码","重置","2016-06-04 12:30:20",3607,"\u003Cp>在mysql 5.7中刚配置好的服务器会有一个随机生成的root密码，此时需要重置密码，或者用户忘记root密码时也需要重置密码，mysql 5.7的密码重置与之前版本有所不同。\u003C\u002Fp>\u003Cp>修改my.cnf，在[mysqld]字段下增加skip-grant-tables字段，用于忽略权限验证，此时service mysql restart重启服务器，然后就可以无密码登录数据库了。并且在[mysqld]下添加default_password_lifetime=0设置密码不失效。\u003C\u002Fp>\u003Cpre class=\"brush:bash;toolbar:false\">.\u002Fmysql -uroot\u003C\u002Fpre>\u003Cp>登录到服务器后刷新权限\u003Cbr\u002F>\u003C\u002Fp>\u003Cpre class=\"brush:sql;toolbar:false\">FLUSH PRIVILEGES;\u003C\u002Fpre>\u003Cp>然后执行下面的sql修改root密码\u003C\u002Fp>\u003Cpre class=\"brush:sql;toolbar:false\">update mysql.user set authentication_string=password('new_password') where user='root' and Host ='localhost';\u003C\u002Fpre>\u003Cp>刷新权限并退出mysql客户端\u003Cbr\u002F>\u003C\u002Fp>\u003Cpre class=\"brush:sql;toolbar:false\">flush privileges;\nexit;\u003C\u002Fpre>\u003Cp>然后修改mysql.cnf，将之前添加的skip-grant-tables字段删除，保存退出。重启服务器\u003C\u002Fp>\u003Cpre class=\"brush:bash;toolbar:false\">service mysql restart\u003C\u002Fpre>\u003Cp>再用mysql连接服务器试试看，此时需要密码，使用你的新密码便可以登录了。\u003Cbr\u002F>\u003C\u002Fp>",{"title":26,"list":27},"最热文章",[28,34,40,46,52,58,64,70,76,82],{"id":29,"title":30,"uri":31,"author":9,"created_at":32,"view_count":33},28,"docker容器目录与主机目录同步","\u002Farticle\u002Fdocker容器目录与主机目录同步","2014-12-31 12:34:08",15570,{"id":35,"title":36,"uri":37,"author":9,"created_at":38,"view_count":39},21,"beego中使用fis","\u002Farticle\u002Fbeego中使用fis","2014-12-03 10:47:56",9250,{"id":41,"title":42,"uri":43,"author":9,"created_at":44,"view_count":45},20,"用github登录，oauth开发","\u002Farticle\u002F用github登录，oauth开发","2014-11-23 13:33:37",9113,{"id":47,"title":48,"uri":49,"author":9,"created_at":50,"view_count":51},18,"windows服务注册工具nssm","\u002Farticle\u002Fwindows服务注册工具nssm","2014-10-31 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