阿里云CentOs服务器 安装与配置mysql数据库
以上为Linux安装mysql数据库
Linux 安装mysql 数据库 一下为mysql 安装教程 Using username "root". Last login: Tue Oct 8 09:30:34 2019 from 113.98.245.93 Welcome to Alibaba Cloud Elastic Compute Service ! [root@lwh ~]# yum list installed mysql* 已加载插件：fastestmirror, langpacks Loading mirror speeds from cached hostfile 错误：没有匹配的软件包可以列出 [root@lwh ~]# yum localinstall mysql57-community-release-el7-8.noarch.rpm 已加载插件：fastestmirror, langpacks 无法打开 mysql57-community-release-el7-8.noarch.rpm ，跳过。 无须任何处理 [root@lwh ~]# cd /root [root@lwh ~]# wget http://repo.mysql.com/mysql57-community-release-el7-8.noarch. rpm --2019-10-08 09:40:16-- http://repo.mysql.com/mysql57-community-release-el7-8.n oarch.rpm 正在解析主机 repo.mysql.com (repo.mysql.com)... 104.127.195.16 正在连接 repo.mysql.com (repo.mysql.com)|104.127.195.16|:80... 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 2019-10-08 09:40:16 (118 MB/s) - 已保存 “mysql57-community-release-el7-8.noarch. rpm” [9116/9116]) [root@lwh ~]# rpm -ivh mysql57-community-release-el7-8.noarch.rpm 准备中... ################################# [100%] 正在升级/安装... 1:mysql57-community-release-el7-8 ################################# [100%] [root@lwh ~]# cd /etc/yum.repos.d/ [root@lwh yum.repos.d]# ls CentOS-Base.repo CentOS-Media.repo mysql-community.repo CentOS-CR.repo CentOS-Sources.repo mysql-community-source.repo CentOS-Debuginfo.repo CentOS-Vault.repo CentOS-fasttrack.repo epel.repo [root@lwh yum.repos.d]# yum install mysql-server 已加载插件：fastestmirror, langpacks Loading mirror speeds from cached hostfile mysql-connectors-community | 2.5 kB 00:00 mysql-tools-community | 2.5 kB 00:00 mysql57-community | 2.5 kB 00:00 正在解决依赖关系 --> 正在检查事务 ---> 软件包 mysql-community-server.x86_64.0.5.7.27-1.el7 将被 安装 --> 正在处理依赖关系 mysql-community-common(x86-64) = 5.7.27-1.el7，它被软件包 m ysql-community-server-5.7.27-1.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-c ommunity-server-5.7.27-1.el7.x86_64 需要 --> 正在检查事务 ---> 软件包 mysql-community-client.x86_64.0.5.7.27-1.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-com munity-client-5.7.27-1.el7.x86_64 需要 ---> 软件包 mysql-community-common.x86_64.0.5.7.27-1.el7 将被 安装 --> 正在检查事务 ---> 软件包 mysql-community-libs.x86_64.0.5.7.27-1.el7 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: mysql-community-server x86_64 5.7.27-1.el7 mysql57-community 165 M 为依赖而安装: mysql-community-client x86_64 5.7.27-1.el7 mysql57-community 24 M mysql-community-common x86_64 5.7.27-1.el7 mysql57-community 275 k mysql-community-libs x86_64 5.7.27-1.el7 mysql57-community 2.2 M 事务概要 ================================================================================ 安装 1 软件包 (+3 依赖软件包) 总下载量：192 M 安装大小：865 M Is this ok [y/d/N]: y Downloading packages: (1/4): mysql-community-common-5.7.27-1.el7.x86_64.rpm | 275 kB 00:00 (2/4): mysql-community-libs-5.7.27-1.el7.x86_64.rpm | 2.2 MB 00:00 (3/4): mysql-community-client-5.7.27-1.el7.x86_64.rpm | 24 MB 00:02 (4/4): mysql-community-server-5.7.27-1.el7.x86_64.rpm | 165 MB 00:00:47 ------------------------------------------------------------------------------------------------------------------------------------------------------------------------ 总计 4.0 MB/s | 192 MB 00:00:48 Running transaction check Running transaction test Transaction test succeeded Running transaction 警告：RPM 数据库已被非 yum 程序修改。 ** 发现 1 个已存在的 RPM 数据库问题， 'yum check' 输出如下： python-requests-2.6.0-5.el7.noarch 有缺少的需求 python-urllib3 >= ('0', '1.10.2', '1') 正在安装 : mysql-community-common-5.7.27-1.el7.x86_64 1/4 正在安装 : mysql-community-libs-5.7.27-1.el7.x86_64 2/4 正在安装 : mysql-community-client-5.7.27-1.el7.x86_64 3/4 正在安装 : mysql-community-server-5.7.27-1.el7.x86_64 4/4 验证中 : mysql-community-client-5.7.27-1.el7.x86_64 1/4 验证中 : mysql-community-common-5.7.27-1.el7.x86_64 2/4 验证中 : mysql-community-libs-5.7.27-1.el7.x86_64 3/4 验证中 : mysql-community-server-5.7.27-1.el7.x86_64 4/4 已安装: mysql-community-server.x86_64 0:5.7.27-1.el7 作为依赖被安装: mysql-community-client.x86_64 0:5.7.27-1.el7 mysql-community-common.x86_64 0:5.7.27-1.el7 mysql-community-libs.x86_64 0:5.7.27-1.el7 完毕！ [root@lwh yum.repos.d]# mysql -V mysql Ver 14.14 Distrib 5.7.27, for Linux (x86_64) using EditLine wrapper [root@lwh yum.repos.d]# service mysqld start Redirecting to /bin/systemctl start mysqld.service [root@lwh yum.repos.d]# service mysqld status Redirecting to /bin/systemctl status mysqld.service ● mysqld.service - MySQL Server Loaded: loaded (/usr/lib/systemd/system/mysqld.service; enabled; vendor prese t: disabled) Active: active (running) since 二 2019-10-08 09:53:29 CST; 12s ago Docs: man:mysqld(8) http://dev.mysql.com/doc/refman/en/using-systemd.html Process: 1397 ExecStart=/usr/sbin/mysqld --daemonize --pid-file=/var/run/mysql d/mysqld.pid $MYSQLD_OPTS (code=exited, status=0/SUCCESS) Process: 1291 ExecStartPre=/usr/bin/mysqld_pre_systemd (code=exited, status=0/ SUCCESS) Main PID: 1400 (mysqld) Tasks: 27 CGroup: /system.slice/mysqld.service └─1400 /usr/sbin/mysqld --daemonize --pid-file=/var/run/mysqld/mys... 10月 08 09:53:21 lwh systemd[1]: Starting MySQL Server... 10月 08 09:53:29 lwh systemd[1]: Started MySQL Server. [root@lwh yum.repos.d]# grep "password" /var/log/mysqld.log 2019-09-27T02:54:37.514492Z 1 [Note] A temporary password is generated for root@ localhost: dM/+;gxtx5u& 2019-09-27T02:56:51.941440Z 2 [Note] Access denied for user 'root'@'localhost' ( using password: YES) 2019-09-27T07:13:29.544662Z 0 [Note] Shutting down plugin 'validate_password' 2019-09-27T07:13:30.919751Z 0 [Note] Shutting down plugin 'sha256_password' 2019-09-27T07:13:30.919754Z 0 [Note] Shutting down plugin 'mysql_native_passwor ' 2019-09-27T07:14:15.493803Z 0 [Note] Shutting down plugin 'validate_password' 2019-09-27T07:14:16.901327Z 0 [Note] Shutting down plugin 'sha256_password' 2019-09-27T07:14:16.901330Z 0 [Note] Shutting down plugin 'mysql_native_passwor ' 2019-09-27T07:17:53.235441Z 0 [Note] Shutting down plugin 'validate_password' 2019-09-27T07:17:54.481004Z 0 [Note] Shutting down plugin 'sha256_password' 2019-09-27T07:17:54.481008Z 0 [Note] Shutting down plugin 'mysql_native_passwor ' 2019-09-27T07:19:43.334368Z 2 [Note] Access denied for user 'root'@'localhost' ( using password: NO) 2019-09-27T07:24:01.586076Z 3 [Note] Access denied for user 'root'@'localhost' ( using password: YES) 2019-09-27T07:38:25.108093Z 0 [Note] Shutting down plugin 'validate_password' 2019-09-27T07:38:26.832129Z 0 [Note] Shutting down plugin 'sha256_password' 2019-09-27T07:38:26.832133Z 0 [Note] Shutting down plugin 'mysql_native_passwor ' 2019-09-27T07:44:06.256534Z 3 [Note] Access denied for user 'root'@'localhost' ( using password: NO) 2019-09-27T08:20:25.906079Z 2 [Warning] Plugin validate_password reported: 'Effe ctive value of validate_password_length is changed. New value is 4' 2019-09-29T01:17:21.691602Z 4 [Note] Access denied for user 'root'@'localhost' ( using password: YES) 2019-09-29T02:57:47.686866Z 0 [Note] Shutting down plugin 'validate_password' 2019-09-29T02:57:49.286496Z 0 [Note] Shutting down plugin 'sha256_password' 2019-09-29T02:57:49.286499Z 0 [Note] Shutting down plugin 'mysql_native_passwor ' 2019-10-08T01:53:25.842666Z 1 [Note] A temporary password is generated for root@ localhost: jN2+I2R8KiIk [root@lwh yum.repos.d]# mysql -uroot -p'jN2+I2R8KiIk' mysql: [Warning] Using a password on the command line interface can be insecure. Welcome to the MySQL monitor. Commands end with ; or \g. Your MySQL connection id is 2 Server version: 5.7.27 Copyright (c) 2000, 2019, 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> mysql> SET PASSWORD = PASSWORD('passw0rd'); ERROR 1819 (HY000): Your password does not satisfy the current policy requirements mysql> set global validate_password_policy=0; Query OK, 0 rows affected (0.00 sec) mysql> SET PASSWORD = PASSWORD('passw0rd'); --设定mysql密码 Query OK, 0 rows affected, 1 warning (0.00 sec) mysql> ALTER USER 'root'@'localhost' PASSWORD EXPIRE NEVER; --设定用户下的密码永久生效，不过期 Query OK, 0 rows affected (0.00 sec) mysql> flush privileges; --以上命令即时生效 Query OK, 0 rows affected (0.00 sec) mysql> grant all privileges on *.* to root@"%" identified by "passw0rd"; --允许其他任意机主登录mysql数据库 Query OK, 0 rows affected, 1 warning (0.00 sec) mysql> grant all privileges on *.* to root@"localhost" identified by "passw0rd"; --允许其他任意主机登录mysql数据库
Query OK, 0 rows affected, 1 warning (0.00 sec)
mysql> flush privileges;
Query OK, 0 rows affected (0.00 sec)
mysql>
以上安装mysql之后，发现并不能连接服务器中的mysql，原因是：云服务器并没有开放mysql的3306端口。
第一步：
第二步：
第三步：
第四步：
第五步：
在阿里云上配置端口之后即可使用。
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