CentOS下MySQL安装后配置和设置
查看数据库版本:
mysql select version(); +-----------+ | version() | +-----------+ | 5.6.27 | +-----------+ 1 row in set (0.00 sec)
2:启动mysql:
[root@localhost install-files]# service mysqld start Starting MySQL.. SUCCESS!
停止mysql:
[root@localhost init.d]# service mysqld stop Shutting down MySQL.. SUCCESS!
重启mysql:
[root@localhost init.d]# service mysqld restart Shutting down MySQL.. SUCCESS! Starting MySQL. SUCCESS!
注:启动脚本名称修改:
[root@localhost ~]# cd /etc/rc.d/init.d/ [root@localhost init.d]# ls functions mysql netconsole network README [root@localhost init.d]# mv mysql mysqld [root@localhost init.d]# ls functions mysqld netconsole network README
3:查看是否启动成功,进程mysql启动,网络端口3306开启为ok.:
[root@Tony_ts_tian ~]# ps aux | grep mysql root 28992 0.0 0.1 11340 1384 pts/0 S 15:02 0:00 /bin/sh /usr/bin/mysqld_safe --datadir=/var/lib/mysql --pid-file=/var/lib/mysql/Tony_ts_tian.pid mysql 29095 0.0 44.7 1014444 455420 pts/0 Sl 15:02 0:04 /usr/sbin/mysqld --basedir=/usr --datadir=/var/lib/mysql --plugin-dir=/usr/lib64/mysql/plugin --user=mysql --log-error=/var/lib/mysql/Tony_ts_tian.err --pid-file=/var/lib/mysql/Tony_ts_tian.pid root 29165 0.0 0.0 103252 836 pts/0 S+ 17:04 0:00 grep mysql [root@Tony_ts_tian ~]# netstat -ntl Active Internet connections (only servers) Proto Recv-Q Send-Q Local Address Foreign Address State tcp 0 0 0.0.0.0:6379 0.0.0.0:* LISTEN tcp 0 0 0.0.0.0:80 0.0.0.0:* LISTEN tcp 0 0 0.0.0.0:8081 0.0.0.0:* LISTEN tcp 0 0 0.0.0.0:22 0.0.0.0:* LISTEN tcp 0 0 127.0.0.1:8006 0.0.0.0:* LISTEN tcp 0 0 0.0.0.0:3306 0.0.0.0:* LISTEN tcp 0 0 0.0.0.0:3690 0.0.0.0:* LISTEN tcp 0 0 0.0.0.0:8010 0.0.0.0:* LISTEN
4:设置MySQL开机启动:
查看开机启动项:
[root@Tony_ts_tian ~]# chkconfig
查看是否有MySQL开机启动:
[root@Tony_ts_tian ~]# chkconfig --list | grep mysql*
设置开机启动:
[root@Tony_ts_tian ~]# chkconfig --add mysqld
或开启和关闭:chkconfig mysqld on / chkconfig mysqld off
设置效果:
[root@Tony_ts_tian ~]# chkconfig --list | grep mysql* mysqld 0:off 1:off 2:on 3:on 4:on 5:on 6:off
以上表示设置成功。
注:rpm安装后初始密码在/root/.mysql_secret
5:创建管理员root密码:
注:第一次安装完mysql后,不需要输入密码,直接mysql命令,就可以登陆!5.1.
[root@Tony_ts_tian bin]# mysql -V
mysql Ver 14.14 Distrib 5.1.73, for redhat-linux-gnu (x86_64) using readline 5.1
[root@Tony_ts_tian bin]# pwd /usr/bin [root@Tony_ts_tian bin]# mysqladmin -u root password kaka123
6:登录:
mysql -u root -p
Enter password: 不回显,输入正确密码enter即可登陆。
(7:忘记密码):第5步可能也会出错:第9步也会出错:
即可,登录,修改密码。
注:也可使用:/etc/mysql/debian.cnf文件中[client]下配置的密码。
8:查看MySQL中all user:
查看数据库中所有用户:
mysql SELECT DISTINCT CONCAT(User: ,user,@,host,;) AS query FROM mysql.user; +--------------------------------+ | query | +--------------------------------+ | User: root@127.0.0.1; | | User: root@::1; | | User: root@localhost; | | User: root@tony\_ts\_tian; | +--------------------------------+ 4 rows in set (0.00 sec)
9:允许远程机器用root用户连接MySQL服务器数据库:
a:查看表结构,插入一列,用户名User=root,Host=%,表示不限制ip为允许所有ip访问,密码:
mysql DESC user;
发现mysql数据库下user表中,Host和User为主键列。(SQL来自备份user表),设置登录的Host为所有:
INSERT INTO `user`(`Host`,`User`,`Password`,`Select_priv`,`Insert_priv`,`Update_priv`,`Delete_priv`,`Create_priv`,`Drop_priv`,`Reload_priv`,`Shutdown_priv`,`Process_priv`,`File_priv`,`Grant_priv`,`References_priv`,`Index_priv`,`Alter_priv`,`Show_db_priv`,`Super_priv`,`Create_tmp_table_priv`,`Lock_tables_priv`,`Execute_priv`,`Repl_slave_priv`,`Repl_client_priv`,`Create_view_priv`,`Show_view_priv`,`Create_routine_priv`,`Alter_routine_priv`,`Create_user_priv`,`Event_priv`,`Trigger_priv`,`Create_tablespace_priv`,`ssl_type`,`ssl_cipher`,`x509_issuer`,`x509_subject`,`max_questions`,`max_updates`,`max_connections`,`max_user_connections`,`plugin`,`authentication_string`,`password_expired`) VALUES (%,root,*6BB4837EB74329105EE4568DDA7DC67ED2CA2AD9,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,,,,,0,0,0,0,mysql_native_password,,N);
修改登录密码:
mysql SELECT Host,User,Password FROM `user`; mysql UPDATE `user` SET password=*71ABCA8B06D46066CEF8062A75256E66243D0FC8 WHERE Host=% AND User=root; mysql SELECT DISTINCT CONCAT(User: ,user,@,host,;) AS query FROM mysql.user; +--------------------------------+ | query | +--------------------------------+ | User: root@%; | | User: root@127.0.0.1; | | User: root@::1; | | User: root@localhost; | | User: root@tony\_ts\_tian; | +--------------------------------+ 5 rows in set (0.00 sec)
b:或者直接更新,重启:
mysql UPDATE USER SET HOST = % WHERE HOST=127.0.0.1 AND USER=root
a,b后,刷新MySQL的系统权限相关表:
mysql flush privileges;
重启,就可以远程访问了:
[root@Tony_ts_tian bin]# service mysqld restart Shutting down MySQL.... SUCCESS! Starting MySQL. SUCCESS!
登陆mysql数据库:
[root@Tony_ts_tian ~]# mysql -u root -p Enter password: Welcome to the MySQL monitor. Commands end with ; or \g. Your MySQL connection id is 149 Server version: 5.6.27 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
Docker 基于centos构建nginx镜像 构建MySQL镜像 三题Docker进阶的题目,能运用到之前学的docker基础命令,拉取docker镜像,使用Dockerfile文件构建镜像,Dockerfile常用指令,以后台运行的方式启动容器,以交互式的方式启动容器,docker build构建镜像,docker build -P分配端口,-d -it 等docker build参数,运用之前所学的基础命令做个总结。
CentOS上部署MySQL MySQL是一个关系型数据库管理系统,由瑞典MySQL AB 公司开发,属于 Oracle 旗下产品。MySQL 是最流行的关系型数据库管理系统之一,在 WEB 应用方面,MySQL是最好的 RDBMS (Relational Database Management System,关系数据库管理系统) 应用软件之一。 本片文章为大家介绍如何安装MySQL
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