一、下载mysql的rpm tar文件

文件名称：mysql-5.7.18-1.el6.x86_64.rpm-bundle.tar
官方地址：https://dev.mysql.com/get/Downloads/MySQL-5.7/mysql-5.7.18-1.el6.x86_64.rpm-bundle.tar

二、卸载原有的mysql

请查看tony~tian的博客：https://yq.aliyun.com/articles/58287

三、安装mysql

1、解压

  1. # 将mysql-5.7.-.el6.x86_64.rpm-bundle.tar压缩包解压到/usr/wangzf/mysqlrpm/下
  2. [root@localhost downloads]# tar -xvf mysql-5.7.-.el6.x86_64.rpm-bundle.tar -C ../mysqlrpm/
  3. mysql-community-libs-compat-5.7.-.el6.x86_64.rpm
  4. mysql-community-test-5.7.-.el6.x86_64.rpm
  5. mysql-community-libs-5.7.-.el6.x86_64.rpm
  6. mysql-community-common-5.7.-.el6.x86_64.rpm
  7. mysql-community-embedded-5.7.-.el6.x86_64.rpm
  8. mysql-community-embedded-devel-5.7.-.el6.x86_64.rpm
  9. mysql-community-client-5.7.-.el6.x86_64.rpm
  10. mysql-community-devel-5.7.-.el6.x86_64.rpm
  11. mysql-community-server-5.7.-.el6.x86_64.rpm
  12.  
  13. # 查看解压后的rpm软件包
  14. [root@localhost downloads]# cd ../mysqlrpm/
  15. [root@localhost mysqlrpm]# ll
  16. total
  17. -rw-r--r--.      Mar  : mysql-community-client-5.7.-.el6.x86_64.rpm
  18. -rw-r--r--.        Mar  : mysql-community-common-5.7.-.el6.x86_64.rpm
  19. -rw-r--r--.       Mar  : mysql-community-devel-5.7.-.el6.x86_64.rpm
  20. -rw-r--r--.      Mar  : mysql-community-embedded-5.7.-.el6.x86_64.rpm
  21. -rw-r--r--.     Mar  : mysql-community-embedded-devel-5.7.-.el6.x86_64.rpm
  22. -rw-r--r--.       Mar  : mysql-community-libs-5.7.-.el6.x86_64.rpm
  23. -rw-r--r--.       Mar  : mysql-community-libs-compat-5.7.-.el6.x86_64.rpm
  24. -rw-r--r--.     Mar  : mysql-community-server-5.7.-.el6.x86_64.rpm
  25. -rw-r--r--.     Mar  : mysql-community-test-5.7.-.el6.x86_64.rpm

2、安装mysql

  1. # 想要安装mysqlclient和mysqlserver，需要先安装common和libs
  2. [root@localhost mysqlrpm]# rpm -ivh mysql-community-common-5.7.-.el6.x86_64.rpm
  3. Preparing...                ########################################### [%]
  4.    :mysql-community-common ########################################### [%]
  5. [root@localhost mysqlrpm]# rpm -ivh mysql-community-libs-5.7.-.el6.x86_64.rpm
  6. Preparing...                ########################################### [%]
  7.    :mysql-community-libs   ########################################### [%]
  8. [root@localhost mysqlrpm]# rpm -ivh mysql-community-client-5.7.-.el6.x86_64.rpm
  9. Preparing...                ########################################### [%]
  10.    :mysql-community-client ########################################### [%]
  11. [root@localhost mysqlrpm]# rpm -ivh mysql-community-server-5.7.-.el6.x86_64.rpm
  12. Preparing...                ########################################### [%]
  13.    :mysql-community-server ########################################### [%]
  14.  
  15. # 查看已安装的与mysql相关的软件
  16. [root@localhost mysqlrpm]# rpm -qa|grep -i  mysql
  17. mysql-community-common-5.7.-.el6.x86_64
  18. mysql-community-client-5.7.-.el6.x86_64
  19. mysql-community-libs-5.7.-.el6.x86_64
  20. mysql-community-server-5.7.-.el6.x86_64

安装异常处理：

  1. # 如果出现以下错误，请先安装perl、libnuma
  2. [root@slave01 mysqlrpm]# rpm -ivh mysql-community-server-5.7.-.el6.x86_64.rpm
  3. warning: mysql-community-server-5.7.-.el6.x86_64.rpm: Header V3 DSA/SHA1 Signature, key ID 5072e1f5: NOKEY
  4. error: Failed dependencies:
  5.     /usr/bin/perl is needed by mysql-community-server-5.7.-.el6.x86_64
  6.     libnuma.so.()(64bit) is needed by mysql-community-server-5.7.-.el6.x86_64
  7.     libnuma.so.(libnuma_1.)(64bit) is needed by mysql-community-server-5.7.-.el6.x86_64
  8.     libnuma.so.(libnuma_1.)(64bit) is needed by mysql-community-server-5.7.-.el6.x86_64
  9.     perl(File::Path) is needed by mysql-community-server-5.7.-.el6.x86_64
  10.     perl(Getopt::Long) is needed by mysql-community-server-5.7.-.el6.x86_64
  11.     perl(POSIX) is needed by mysql-community-server-5.7.-.el6.x86_64
  12.     perl(strict) is needed by mysql-community-server-5.7.-.el6.x86_64
  13.  
  14.  [root@slave01 mysqlrpm]# yum install perl
  15.  [root@slave01 mysqlrpm]# yum install libnuma*

3、启动mysql

  1. # 查看mysql服务的状态
  2. [root@localhost mysqlrpm]# service mysqld status
  3. mysqld is stopped
  4.  
  5. # mysql尚未启动，使用service mysqld start启动（这里是第一次启动，会初始化一些参数）
  6. [root@localhost mysqlrpm]# service mysqld start
  7. Initializing MySQL database:                               [  OK  ]
  8. Installing validate password plugin:                       [  OK  ]
  9. Starting mysqld:                                           [  OK  ]
  10.  
  11. # 停止mysql服务
  12. [root@localhost mysqlrpm]# service mysqld stop
  13. Stopping mysqld:                                           [  OK  ]
  14.  
  15. # 启动mysql服务
  16. [root@localhost mysqlrpm]# service mysqld start
  17. Starting mysqld:                                           [  OK  ]
  18.  
  19. # 重启mysql服务
  20. [root@localhost mysqlrpm]# service mysqld restart
  21. Stopping mysqld:                                           [  OK  ]
  22. Starting mysqld:                                           [  OK  ]

四、修改root密码

  1. # 关闭mysql服务
  2. [root@localhost ~]# service mysqld stop
  3. Stopping mysqld:                                           [  OK  ]
  4.  
  5. # 安全模式下启动mysql，并且跳过权限表的验证
  6. [root@ ~]# mysqld_safe --skip-grant-tables &
  7. []
  8. [root@ ~]# --06T23::.604144Z mysqld_safe Logging to '/var/log/mysqld.log'.
  9. --06T23::.674987Z mysqld_safe Starting mysqld daemon with databases from /var/lib/mysql
  10.  
  11. # 准备登陆
  12. mysql -u root -p
  13.  
  14. # 这里随便输入密码，都可以进入mysql
  15. Enter password:
  16. Welcome to the MySQL monitor.  Commands end with ; or \g.
  17. Your MySQL connection id is
  18. Server version: 5.7. MySQL Community Server (GPL)
  19.  
  20. Copyright (c) , , Oracle and/or its affiliates. All rights reserved.
  21.  
  22. Oracle is a registered trademark of Oracle Corporation and/or its
  23. affiliates. Other names may be trademarks of their respective
  24. owners.
  25.  
  26. Type 'help;' or '\h' for help. Type '\c' to clear the current input statement.
  27.  
  28. # 更改密码(这里设置的密码是1234)
  29. mysql> update mysql.user set authentication_string=password('') where user='root' and Host = 'localhost';
  30. Query OK,  row affected,  warning (0.04 sec)
  31. Rows matched:   Changed:   Warnings: 
  32.  
  33. # 刷新权限
  34. mysql> flush privileges;
  35. Query OK,  rows affected (0.00 sec)
  36.  
  37. # 退出mysql
  38. mysql> quit
  39. Bye
  40.  
  41. # 重启mysql
  42. [root@localhost ~]# service mysqld restart
  43. --06T23::.067045Z mysqld_safe mysqld from pid file /var/run/mysqld/mysqld.pid ended
  44. Stopping mysqld:                                           [  OK  ]
  45. Starting mysqld:                                           [  OK  ]
  46. []-  Done                    mysqld_safe --skip-grant-tables
  47.  
  48. # 以root身份登陆
  49. [root@localhost ~]# mysql -uroot -p
  50.  
  51. # 输入刚才设置的密码1234，正常使用mysql
  52. Enter password:
  53. Welcome to the MySQL monitor.  Commands end with ; or \g.
  54. Your MySQL connection id is
  55. Server version: 5.7.
  56.  
  57. Copyright (c) , , Oracle and/or its affiliates. All rights reserved.
  58.  
  59. Oracle is a registered trademark of Oracle Corporation and/or its
  60. affiliates. Other names may be trademarks of their respective
  61. owners.
  62.  
  63. Type 'help;' or '\h' for help. Type '\c' to clear the current input statement.
  64.  
  65. mysql>

五、远程访问mysql

1、centos开启防火墙端口3306

  1. # 开放3306端口
  2. [root@ ~]# /sbin/iptables -I INPUT -p tcp --dport  -j ACCEPT
  3.  
  4. # 保存
  5. [root@ ~]# /etc/rc.d/init.d/iptables save
  6. iptables: Saving firewall rules to /etc/sysconfig/iptables:[  OK  ]
  7.  
  8. # 查看防火墙的状态
  9. [root@ ~]# /etc/init.d/iptables status
  10. Table: filter
  11. Chain INPUT (policy ACCEPT)
  12. num  target     prot opt source               destination
  13.     ACCEPT     tcp  --  0.0.0.0/            0.0.0.0/           tcp dpt:
  14.     ACCEPT     tcp  --  0.0.0.0/            0.0.0.0/           tcp dpt:
  15.     ACCEPT     tcp  --  0.0.0.0/            0.0.0.0/           tcp dpt:
  16.     ACCEPT     all  --  0.0.0.0/            0.0.0.0/           state RELATED,ESTABLISHED
  17.     ACCEPT     icmp --  0.0.0.0/            0.0.0.0/
  18.     ACCEPT     all  --  0.0.0.0/            0.0.0.0/
  19.     ACCEPT     tcp  --  0.0.0.0/            0.0.0.0/           state NEW tcp dpt:
  20.     REJECT     all  --  0.0.0.0/            0.0.0.0/           reject-with icmp-host-prohibited 
  21.  
  22. Chain FORWARD (policy ACCEPT)
  23. num  target     prot opt source               destination
  24.     REJECT     all  --  0.0.0.0/            0.0.0.0/           reject-with icmp-host-prohibited 
  25.  
  26. Chain OUTPUT (policy ACCEPT)
  27. num  target     prot opt source               destination         
  28.  
  29. # 删除刚刚添加的端口
  30. # 这里我原先已经开放了3306端口，再次添加又增加了一个3306，所以显示2个3306，这里我将num为2的那个3306删除
  31. [root@ ~]# iptables -D INPUT 
  32.  
  33. # 查看防火墙的状态（奇怪的是我原本也开放的有80端口，莫名其妙没了...）
  34. [root@ ~]# iptables -L -n --line-number
  35. Chain INPUT (policy ACCEPT)
  36. num  target     prot opt source               destination
  37.     ACCEPT     tcp  --  0.0.0.0/            0.0.0.0/           tcp dpt:
  38.     ACCEPT     tcp  --  0.0.0.0/            0.0.0.0/           tcp dpt:
  39.     ACCEPT     all  --  0.0.0.0/            0.0.0.0/           state RELATED,ESTABLISHED
  40.     ACCEPT     icmp --  0.0.0.0/            0.0.0.0/
  41.     ACCEPT     all  --  0.0.0.0/            0.0.0.0/
  42.     ACCEPT     tcp  --  0.0.0.0/            0.0.0.0/           state NEW tcp dpt:
  43.     REJECT     all  --  0.0.0.0/            0.0.0.0/           reject-with icmp-host-prohibited 
  44.  
  45. Chain FORWARD (policy ACCEPT)
  46. num  target     prot opt source               destination
  47.     REJECT     all  --  0.0.0.0/            0.0.0.0/           reject-with icmp-host-prohibited 
  48.  
  49. Chain OUTPUT (policy ACCEPT)
  50. num  target     prot opt source               destination

2、修改mysql表，允许远程访问

  1. # 登陆
  2. [root@ ~]# mysql -uroot -p
  3. Enter password:
  4. Welcome to the MySQL monitor.  Commands end with ; or \g.
  5. Your MySQL connection id is
  6. Server version: 5.7.
  7.  
  8. Copyright (c) , , Oracle and/or its affiliates. All rights reserved.
  9.  
  10. Oracle is a registered trademark of Oracle Corporation and/or its
  11. affiliates. Other names may be trademarks of their respective
  12. owners.
  13.  
  14. Type 'help;' or '\h' for help. Type '\c' to clear the current input statement.
  15.  
  16. mysql> GRANT ALL PRIVILEGES ON *.* TO 'root'@'%' IDENTIFIED BY '' WITH GRANT OPTION;
  17. ERROR  (HY000): You must reset your password using ALTER USER statement before executing this statement.
  18.  
  19. # 在设置远程登录原先是提示错误。百度一番，需要设置root密码，好吧，我原先是1234，现在还设置为1234
  20. mysql> SET PASSWORD = PASSWORD('');
  21. ERROR  (HY000): Your password does not satisfy the current policy requirements
  22.  
  23. # 发现是密码太脆弱，究其根本是由于mysql有密码验证的策略，那么这里设置一下
  24. # 设置密码强度检查等级为0，/LOW、/MEDIUM、/STRONG。
  25. mysql> set global validate_password_policy=;
  26. Query OK,  rows affected (0.00 sec)
  27.  
  28. # 设置密码长度:-->
  29. mysql> select @@validate_password_length;
  30. +----------------------------+
  31. | @@validate_password_length |
  32. +----------------------------+
  33. |                           |
  34. +----------------------------+
  35.  row in set (0.00 sec)
  36.  
  37. mysql> set global validate_password_length=;
  38. Query OK,  rows affected (0.00 sec)
  39.  
  40. mysql> select @@validate_password_length;
  41. +----------------------------+
  42. | @@validate_password_length |
  43. +----------------------------+
  44. |                           |
  45. +----------------------------+
  46.  row in set (0.00 sec)
  47.  
  48. # 设置密码为1234
  49. mysql> SET PASSWORD = PASSWORD('');
  50. Query OK,  rows affected,  warning (0.00 sec)
  51.  
  52. # 设置允许远程访问
  53. mysql> GRANT ALL PRIVILEGES ON *.* TO 'root'@'%' IDENTIFIED BY '' WITH GRANT OPTION;
  54. Query OK,  rows affected,  warning (0.00 sec)
  55.  
  56. # 刷新权限
  57. mysql> flush privileges;
  58. Query OK,  rows affected (0.00 sec)
  59. # 退出
  60. mysql> exit;
  61. Bye

3、windows下远程连接vm12下centos6.9的mysql

  1. Microsoft Windows [版本 6.1.]
  2. 版权所有 (c)  Microsoft Corporation。保留所有权利。
  3.  
  4. C:\Users\Administrator>mysql -h 192.168.22.130 -u root -p
  5. Enter password: ****
  6. Welcome to the MySQL monitor.  Commands end with ; or \g.
  7. Your MySQL connection id is
  8. Server version: 5.7. MySQL Community Server (GPL)
  9.  
  10. Copyright (c) , , Oracle and/or its affiliates. All rights reserved.
  11.  
  12. Oracle is a registered trademark of Oracle Corporation and/or its
  13. affiliates. Other names may be trademarks of their respective
  14. owners.
  15.  
  16. Type 'help;' or '\h' for help. Type '\c' to clear the current input statement.
  17.  
  18. mysql>

最后就问下：惊不惊喜？意不意外？

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