mysql连接依赖的jar包

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definitely 2024-12-16 20:14:22

文章标签 mysql连接依赖的jar包 mysql yum安装前依赖包 mysql 依赖关系 MySQL 文章分类 MySQL 数据库

环境:

CENTOS 7.8

一.安装步骤

安装前准备

cd /etc/yum.repos.d

/**下载mysql源安装包 */

wget http://dev.mysql.com/get/mysql57-community-release-el7-8.noarch.rpm

/** 安装mysql源*/

yum localinstall mysql57-community-release-el7-8.noarch.rpm

/**以上两步都是必须的，以下就是检测源是否安装成功*/

yum repolist enabled | grep "mysql.*-community.*" //成功后结果如下图

运行记录

[root@10-31-1-119 yum.repos.d]# cd /etc/yum.repos.d

[root@10-31-1-119 yum.repos.d]# wget http://dev.mysql.com/get/mysql57-community-release-el7-8.noarch.rpm

--2020-08-20 11:35:12-- http://dev.mysql.com/get/mysql57-community-release-el7-8.noarch.rpm

正在解析主机 dev.mysql.com (dev.mysql.com)... 137.254.60.11

正在连接 dev.mysql.com (dev.mysql.com)|137.254.60.11|:80... 已连接。

已发出 HTTP 请求，正在等待回应... 301 Moved Permanently

位置：https://dev.mysql.com/get/mysql57-community-release-el7-8.noarch.rpm [跟随至新的 URL]

--2020-08-20 11:35:12-- https://dev.mysql.com/get/mysql57-community-release-el7-8.noarch.rpm

正在连接 dev.mysql.com (dev.mysql.com)|137.254.60.11|:443... 已连接。

已发出 HTTP 请求，正在等待回应... 302 Found

位置：https://repo.mysql.com//mysql57-community-release-el7-8.noarch.rpm [跟随至新的 URL]

--2020-08-20 11:35:16-- https://repo.mysql.com//mysql57-community-release-el7-8.noarch.rpm

正在解析主机 repo.mysql.com (repo.mysql.com)... 23.211.97.88

正在连接 repo.mysql.com (repo.mysql.com)|23.211.97.88|:443... 已连接。

已发出 HTTP 请求，正在等待回应... 200 OK

长度：9116 (8.9K) [application/x-redhat-package-manager]

正在保存至: “mysql57-community-release-el7-8.noarch.rpm”

100%[==================================================================================================================================================================>] 9,116 --.-K/s 用时 0s

2020-08-20 11:35:18 (64.4 MB/s) - 已保存 “mysql57-community-release-el7-8.noarch.rpm” [9116/9116])

[root@10-31-1-119 yum.repos.d]# yum localinstall mysql57-community-release-el7-8.noarch.rpm

已加载插件：fastestmirror, langpacks

正在检查 mysql57-community-release-el7-8.noarch.rpm: mysql57-community-release-el7-8.noarch

mysql57-community-release-el7-8.noarch.rpm 将被安装

正在解决依赖关系

--> 正在检查事务

---> 软件包 mysql57-community-release.noarch.0.el7-8 将被安装

--> 解决依赖关系完成

依赖关系解决

============================================================================================================================================================================================================

Package 架构版本源大小

正在安装:

mysql57-community-release noarch el7-8 /mysql57-community-release-el7-8.noarch 8.2 k

事务概要

安装 1 软件包

总计：8.2 k

安装大小：8.2 k

Is this ok [y/d/N]: y

Downloading packages:

Running transaction check

Running transaction test

Transaction test succeeded

Running transaction

正在安装 : mysql57-community-release-el7-8.noarch 1/1

验证中 : mysql57-community-release-el7-8.noarch 1/1

已安装:

mysql57-community-release.noarch 0:el7-8

完毕！

[root@10-31-1-119 yum.repos.d]# yum repolist enabled | grep "mysql.*-community.*"

mysql-connectors-community/x86_64 MySQL Connectors Community 165

mysql-tools-community/x86_64 MySQL Tools Community 115

mysql57-community/x86_64 MySQL 5.7 Community Server 444

[root@10-31-1-119 yum.repos.d]#

开始安装

yum install mysql-community-server //安装mysql服务,此处看网速有快有慢

systemctl start mysqld //安装后，启动mysql服务

systemctl status mysqld //查看mysqld服务，此处要是查看到activity状态是running那就表明已经

//安装成功了

systemctl enable mysqld //设置开机启动

systemctl daemon-reload //重载服务

//mysql5.7安装时会产生一个默认的密码，查看此密码的文件一般存在于/var/log/mysqld.log上

grep 'temporary password' /var/log/mysqld.log //查看密码

运行记录

[root@10-31-1-119 yum.repos.d]# yum install mysql-community-server

已加载插件：fastestmirror, langpacks

Loading mirror speeds from cached hostfile

正在解决依赖关系

--> 正在检查事务

---> 软件包 mysql-community-server.x86_64.0.5.7.31-1.el7 将被安装

--> 正在处理依赖关系 mysql-community-common(x86-64) = 5.7.31-1.el7，它被软件包 mysql-community-server-5.7.31-1.el7.x86_64 需要

--> 正在处理依赖关系 mysql-community-client(x86-64) >= 5.7.9，它被软件包 mysql-community-server-5.7.31-1.el7.x86_64 需要

--> 正在检查事务

---> 软件包 mysql-community-client.x86_64.0.5.7.31-1.el7 将被安装

--> 正在处理依赖关系 mysql-community-libs(x86-64) >= 5.7.9，它被软件包 mysql-community-client-5.7.31-1.el7.x86_64 需要

---> 软件包 mysql-community-common.x86_64.0.5.7.31-1.el7 将被安装

--> 正在检查事务

---> 软件包 mariadb-libs.x86_64.1.5.5.65-1.el7 将被取代

--> 正在处理依赖关系 libmysqlclient.so.18()(64bit)，它被软件包 2:postfix-2.10.1-9.el7.x86_64 需要

--> 正在处理依赖关系 libmysqlclient.so.18(libmysqlclient_18)(64bit)，它被软件包 2:postfix-2.10.1-9.el7.x86_64 需要

---> 软件包 mysql-community-libs.x86_64.0.5.7.31-1.el7 将被舍弃

--> 正在检查事务

---> 软件包 mysql-community-libs-compat.x86_64.0.5.7.31-1.el7 将被舍弃

--> 解决依赖关系完成

依赖关系解决

Package 架构版本源大小

正在安装:

mysql-community-libs x86_64 5.7.31-1.el7 mysql57-community 2.3 M

替换 mariadb-libs.x86_64 1:5.5.65-1.el7

mysql-community-libs-compat x86_64 5.7.31-1.el7 mysql57-community 1.2 M

替换 mariadb-libs.x86_64 1:5.5.65-1.el7

mysql-community-server x86_64 5.7.31-1.el7 mysql57-community 173 M

为依赖而安装:

mysql-community-client x86_64 5.7.31-1.el7 mysql57-community 25 M

mysql-community-common x86_64 5.7.31-1.el7 mysql57-community 311 k

事务概要

安装 3 软件包 (+2 依赖软件包)

总下载量：202 M

Is this ok [y/d/N]: y

Downloading packages:

警告：/var/cache/yum/x86_64/7/mysql57-community/packages/mysql-community-common-5.7.31-1.el7.x86_64.rpm: 头V3 DSA/SHA1 Signature, 密钥 ID 5072e1f5: NOKEY ] 96 kB/s | 521 kB 00:36:00 ETA

mysql-community-common-5.7.31-1.el7.x86_64.rpm 的公钥尚未安装

(1/5): mysql-community-common-5.7.31-1.el7.x86_64.rpm | 311 kB 00:00:03

(2/5): mysql-community-libs-5.7.31-1.el7.x86_64.rpm | 2.3 MB 00:00:06

(3/5): mysql-community-libs-compat-5.7.31-1.el7.x86_64.rpm | 1.2 MB 00:00:02

(4/5): mysql-community-client-5.7.31-1.el7.x86_64.rpm | 25 MB 00:00:34

(5/5): mysql-community-server-5.7.31-1.el7.x86_64.rpm | 173 MB 00:02:35

------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

总计 1.2 MB/s | 202 MB 00:02:47

从 file:///etc/pki/rpm-gpg/RPM-GPG-KEY-mysql 检索密钥

导入 GPG key 0x5072E1F5:

用户ID : "MySQL Release Engineering "

指纹 : a4a9 4068 76fc bd3c 4567 70c8 8c71 8d3b 5072 e1f5

软件包 : mysql57-community-release-el7-8.noarch (@/mysql57-community-release-el7-8.noarch)

来自 : /etc/pki/rpm-gpg/RPM-GPG-KEY-mysql

是否继续？[y/N]：y

Running transaction check

Running transaction test

Transaction test succeeded

Running transaction

正在安装 : mysql-community-common-5.7.31-1.el7.x86_64 1/6

正在安装 : mysql-community-libs-5.7.31-1.el7.x86_64 2/6

正在安装 : mysql-community-client-5.7.31-1.el7.x86_64 3/6

正在安装 : mysql-community-server-5.7.31-1.el7.x86_64 4/6

正在安装 : mysql-community-libs-compat-5.7.31-1.el7.x86_64 5/6

正在删除 : 1:mariadb-libs-5.5.65-1.el7.x86_64 6/6

验证中 : mysql-community-libs-compat-5.7.31-1.el7.x86_64 1/6

验证中 : mysql-community-common-5.7.31-1.el7.x86_64 2/6

验证中 : mysql-community-server-5.7.31-1.el7.x86_64 3/6

验证中 : mysql-community-client-5.7.31-1.el7.x86_64 4/6

验证中 : mysql-community-libs-5.7.31-1.el7.x86_64 5/6

验证中 : 1:mariadb-libs-5.5.65-1.el7.x86_64 6/6

已安装:

mysql-community-libs.x86_64 0:5.7.31-1.el7 mysql-community-libs-compat.x86_64 0:5.7.31-1.el7 mysql-community-server.x86_64 0:5.7.31-1.el7

作为依赖被安装:

mysql-community-client.x86_64 0:5.7.31-1.el7 mysql-community-common.x86_64 0:5.7.31-1.el7

替代:

mariadb-libs.x86_64 1:5.5.65-1.el7

完毕！

[root@10-31-1-119 yum.repos.d]# systemctl start mysqld

[root@10-31-1-119 yum.repos.d]# systemctl status mysqld

● mysqld.service - MySQL Server

Loaded: loaded (/usr/lib/systemd/system/mysqld.service; enabled; vendor preset: disabled)

Active: active (running) since 四 2020-08-20 11:43:10 CST; 8s ago

Docs: man:mysqld(8)

http://dev.mysql.com/doc/refman/en/using-systemd.html

Process: 4326 ExecStart=/usr/sbin/mysqld --daemonize --pid-file=/var/run/mysqld/mysqld.pid $MYSQLD_OPTS (code=exited, status=0/SUCCESS)

Process: 4263 ExecStartPre=/usr/bin/mysqld_pre_systemd (code=exited, status=0/SUCCESS)

Main PID: 4329 (mysqld)

Tasks: 27

CGroup: /system.slice/mysqld.service

└─4329 /usr/sbin/mysqld --daemonize --pid-file=/var/run/mysqld/mysqld.pid

8月 20 11:43:05 10-31-1-119 systemd[1]: Starting MySQL Server...

8月 20 11:43:10 10-31-1-119 systemd[1]: Started MySQL Server.

[root@10-31-1-119 yum.repos.d]# systemctl enable mysqld

[root@10-31-1-119 yum.repos.d]# systemctl daemon-reload

[root@10-31-1-119 yum.repos.d]#

[root@10-31-1-119 yum.repos.d]# grep 'temporary password' /var/log/mysqld.log

2020-08-20T03:43:08.233767Z 1 [Note] A temporary password is generated for root@localhost: *r>CfBm#P2fn

[root@10-31-1-119 yum.repos.d]#

修改密码

-- 登陆mysql 密码上一步的密码

mysql -uroot -p

set password for 'root'@'localhost'=password('Abc123456!');

flush privileges;

exit

--重启mysql服务

systemctl restart mysqld

运行记录

[root@10-31-1-119 yum.repos.d]# mysql -uroot -p

Enter password:

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

Your MySQL connection id is 2

Server version: 5.7.31

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.

-- 密码太简单了是过不了密码验证的

mysql> set password for 'root'@'localhost'=password('Abc123!');

ERROR 1819 (HY000): Your password does not satisfy the current policy requirements

mysql>

mysql> set password for 'root'@'localhost'=password('Abc123456!');

Query OK, 0 rows affected, 1 warning (0.00 sec)

mysql> flush privileges;

Query OK, 0 rows affected (0.01 sec)

mysql> exit

Bye

[root@10-31-1-119 yum.repos.d]# systemctl restart mysqld

如果是测试环境，可以要求简单的密码

set global validate_password_policy=0;

set global validate_password_length=6;

set password for 'root'@'localhost'=password('abc123');

-- 重启mysql服务

systemctl restart mysqld

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