Linux 安装mysql 数据库

一下为mysql 安装教程

Using username"root".

Last login: Tue Oct8 09:30:34 2019 from 113.98.245.93Welcome 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...200OK

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 0s2019-10-08 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 00:00mysql-tools-community | 2.5 kB 00:00mysql57-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 165M

为依赖而安装:

mysql-community-client x86_64 5.7.27-1.el7 mysql57-community 24M

mysql-community-common x86_64 5.7.27-1.el7 mysql57-community 275k

mysql-community-libs x86_64 5.7.27-1.el7 mysql57-community 2.2M

事务概要================================================================================安装1 软件包 (+3依赖软件包)

总下载量：192M

安装大小：865M

Isthis 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 00:00:48Running 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 Ver14.14 Distrib 5.7.27, forLinux (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 09:53:29CST; 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:27CGroup:/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.log2019-09-27T02:54:37.514492Z 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 lineinterfacecan be insecure.

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

Your MySQL connection id is2Server version:5.7.27Copyright (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');

ERROR1819(HY000): Your password does not satisfy the current policy requirements

mysql> set global validate_password_policy=0;

Query OK,0 rows affected (0.00sec)

mysql> SET PASSWORD = PASSWORD('passw0rd'); --设定mysql密码

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

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 (0.00sec)

mysql>flush privileges; --以上命令即时生效

Query OK,0 rows affected (0.00sec)

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 (0.00sec)

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 (0.00sec)