contos7 mysql库_centos7 mysql数据库安装和配置

ゞ浴缸里的玫瑰 2022-10-31 00:59 19阅读 0赞

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Welcome to the MariaDB monitor. Commands end with ; or \\g.

Your MariaDB connection id is 2

Server version: 5.5.60-MariaDB MariaDB Server

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 (0.00 sec)

设置密码

MariaDB \[(none)\]> set password for ‘root‘@‘localhost‘ =password(‘redhat‘);

Query OK, 0 rows affected (0.00 sec)

MariaDB \[(none)\]>

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

\[root@mysql ~\]\# wget http://dev.mysql.com/get/mysql-community-release-el7-5.noarch.rpm

\[root@mysql ~\]\# rpm -ivh mysql-community-release-el7-5.noarch.rpm

Preparing... \#\#\#\#\#\#\#\#\#\#\#\#\#\#\#\#\#\#\#\#\#\#\#\#\#\#\#\#\#\#\#\#\# \[100%\]

Updating / installing...

1:mysql-community-release-el7-5 \#\#\#\#\#\#\#\#\#\#\#\#\#\#\#\#\#\#\#\#\#\#\#\#\#\#\#\#\#\#\#\#\# \[100%\]

\[root@mysql ~\]\# ll /etc/yum.repos.d/

total 48

\-rw-r--r-- 1 root root 1664 Sep 5 09:05 CentOS-Base.repo

\-rw-r--r-- 1 root root 1309 Sep 5 09:05 CentOS-CR.repo

\-rw-r--r-- 1 root root 649 Sep 5 09:05 CentOS-Debuginfo.repo

\-rw-r--r-- 1 root root 314 Sep 5 09:05 CentOS-fasttrack.repo

\-rw-r--r-- 1 root root 630 Sep 5 09:05 CentOS-Media.repo

\-rw-r--r-- 1 root root 1331 Sep 5 09:05 CentOS-Sources.repo

\-rw-r--r-- 1 root root 6639 Sep 5 09:05 CentOS-Vault.repo

\-rw-r--r-- 1 root root 951 Oct 2 2017 epel.repo

\-rw-r--r-- 1 root root 1050 Oct 2 2017 epel-testing.repo

\-rw-r--r-- 1 root root 1209 Jan 29 2014 mysql-community.repo

\-rw-r--r-- 1 root root 1060 Jan 29 2014 mysql-community-source.repo

\[root@mysql ~\]\# yum install mysql-community-server

安装成功后重启mysql服务。

\[root@mysql ~\]\# service mysqld restart

初次安装mysql，root账户没有密码。

\[root@mysql ~\]\# mysql -u root

Welcome to the MySQL monitor. Commands end with ; or \\g.

Your MySQL connection id is 2

Server version: 5.6.45 MySQL Community Server (GPL)

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 |

\+--------------------------+

3 rows in set (0.00 sec)

mysql>

设置密码

mysql> set password for ‘root‘@‘localhost‘ =password(‘redhat‘);

Query OK, 0 rows affected (0.00 sec)

mysql>

不需要重启数据库即可生效。

在mysql安装过程中如下内容：

![653b758dad086020095f3bb32630efc6.png][]

所以安装完以后mariadb自动就被替换了，将不再生效。

\[root@mysql ~\]\# rpm -qa |grep mariadb

\[root@mysql ~\]\#

三、配置mysql

1、编码

mysql配置文件为/etc/my.cnf

最后加上编码配置

\[root@mysql ~\]\# vim /etc/my.cnf

\[mysqld\]

datadir=/var/lib/mysql

socket=/var/lib/mysql/mysql.sock

symbolic-links=0

\[mysqld\_safe\]

log-error=/var/log/mariadb/mariadb.log

pid-file=/var/run/mariadb/mariadb.pid

\[mysql\]

default-character-set =utf8

!includedir /etc/my.cnf.d

这里的字符编码必须和/usr/share/mysql/charsets/Index.xml中一致。

\[root@mysql ~\]\# vim /usr/share/mysql/charsets/Index.xml

![0892c90aa1e4c3506bc812962902e673.png][]

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。

\[root@mysql ~\]\# mysql -uroot -p

Enter password:     (密码是:redhat)

Welcome to the MariaDB monitor. Commands end with ; or \\g.

Your MariaDB connection id is 6

Server version: 5.5.60-MariaDB MariaDB Server

Type ‘help;‘ or ‘\\h‘ for help. Type ‘\\c‘ to clear the current input statement.

MariaDB \[(none)\]> grant all privileges on \*.\* to root@‘%‘identified by ‘redhat‘;

Query OK, 0 rows affected (0.01 sec)

MariaDB \[(none)\]>

如果是新用户而不是root，则要先新建用户

MariaDB \[(none)\]> create user ‘admin‘@‘%‘ identified by ‘Xuanbao123456‘;

Query OK, 0 rows affected (0.00 sec)

此时就可以进行远程连接了。

\[root@c1 ~\]\# mysql -uadmin -p -h192.168.122.20

Enter password:     (密码是:Xuanbao123456)

Welcome to the MariaDB monitor. Commands end with ; or \\g.

Your MariaDB connection id is 7

Server version: 5.5.60-MariaDB MariaDB Server

Type ‘help;‘ or ‘\\h‘ for help. Type ‘\\c‘ to clear the current input statement.

MariaDB \[(none)\]>

centos7 mysql数据库安装和配置

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本文系统来源：https://www.cnblogs.com/xuanbao/p/11627824.html

[653b758dad086020095f3bb32630efc6.png]: /images/20221024/7bfcb2738acd403d8bbc554ad2ca28e0.png
[0892c90aa1e4c3506bc812962902e673.png]: /images/20221024/394a726ca70540ac9eb34d071ea2a16e.png

contos7 mysql库_centos7 mysql数据库安装和配置

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