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Centos7安装mysql5.7社区版

2016-11-21

Centos7安装mysql5 7社区版。本教程是在一定程度上参考了网络上的资源结合实际操作总结而成。

- Centos7安装mysql5.7社区版

ps:本教程是在一定程度上参考了网络上的资源结合实际操作总结而成

1.从官网下载:

mysql-5.7.16-1.el7.x86_64.rpm-bundle.tar

2.解压

[root@localhost ~]# tar -xvf mysql-5.7.16-1.el7.x86_64.rpm-bundle.tar
mysql-community-libs-compat-5.7.16-1.el7.x86_64.rpm
mysql-community-devel-5.7.16-1.el7.x86_64.rpm
mysql-community-minimal-debuginfo-5.7.16-1.el7.x86_64.rpm
mysql-community-libs-5.7.16-1.el7.x86_64.rpm
mysql-community-common-5.7.16-1.el7.x86_64.rpm
mysql-community-embedded-compat-5.7.16-1.el7.x86_64.rpm
mysql-community-test-5.7.16-1.el7.x86_64.rpm
mysql-community-embedded-devel-5.7.16-1.el7.x86_64.rpm
mysql-community-server-minimal-5.7.16-1.el7.x86_64.rpm
mysql-community-server-5.7.16-1.el7.x86_64.rpm
mysql-community-client-5.7.16-1.el7.x86_64.rpm
mysql-community-embedded-5.7.16-1.el7.x86_64.rpm

2.安装:

[root@localhost ~]# rpm -i mysql-community-common-5.7.16-1.el7.x86_64.rpm 
warning: mysql-community-common-5.7.16-1.el7.x86_64.rpm: Header V3 DSA/SHA1 Signature, key ID 5072e1f5: NOKEY
    file /usr/share/mysql/czech/errmsg.sys from install of mysql-community-common-5.7.16-1.el7.x86_64 conflicts with file from package mariadb-libs-1:5.5.44-2.el7.centos.x86_64
    file /usr/share/mysql/danish/errmsg.sys from install of mysql-community-common-5.7.16-1.el7.x86_64 conflicts with file from package mariadb-libs-1:5.5.44-2.el7.centos.x86_64
    file /usr/share/mysql/dutch/errmsg.sys from install of mysql-community-common-5.7.16-1.el7.x86_64 conflicts with file from package mariadb-libs-1:5.5.44-2.el7.centos.x86_64
    file /usr/share/mysql/english/errmsg.sys from install of mysql-community-common-5.7.16-1.el7.x86_64 conflicts with file from package mariadb-libs-1:5.5.44-2.el7.centos.x86_64
    file /usr/share/mysql/estonian/errmsg.sys from install of mysql-community-common-5.7.16-1.el7.x86_64 conflicts with file from package mariadb-libs-1:5.5.44-2.el7.centos.x86_64
    file /usr/share/mysql/french/errmsg.sys from install of mysql-community-common-5.7.16-1.el7.x86_64 conflicts with file from package mariadb-libs-1:5.5.44-2.el7.centos.x86_64
    file /usr/share/mysql/german/errmsg.sys from install of mysql-community-common-5.7.16-1.el7.x86_64 conflicts with file from package mariadb-libs-1:5.5.44-2.el7.centos.x86_64
    file /usr/share/mysql/greek/errmsg.sys from install of mysql-community-common-5.7.16-1.el7.x86_64 conflicts with file from package mariadb-libs-1:5.5.44-2.el7.centos.x86_64
    file /usr/share/mysql/hungarian/errmsg.sys from install of mysql-community-common-5.7.16-1.el7.x86_64 conflicts with file from package mariadb-libs-1:5.5.44-2.el7.centos.x86_64
    file /usr/share/mysql/italian/errmsg.sys from install of mysql-community-common-5.7.16-1.el7.x86_64 conflicts with file from package mariadb-libs-1:5.5.44-2.el7.centos.x86_64
    file /usr/share/mysql/japanese/errmsg.sys from install of mysql-community-common-5.7.16-1.el7.x86_64 conflicts with file from package mariadb-libs-1:5.5.44-2.el7.centos.x86_64
    file /usr/share/mysql/korean/errmsg.sys from install of mysql-community-common-5.7.16-1.el7.x86_64 conflicts with file from package mariadb-libs-1:5.5.44-2.el7.centos.x86_64
    file /usr/share/mysql/norwegian-ny/errmsg.sys from install of mysql-community-common-5.7.16-1.el7.x86_64 conflicts with file from package mariadb-libs-1:5.5.44-2.el7.centos.x86_64
    file /usr/share/mysql/norwegian/errmsg.sys from install of mysql-community-common-5.7.16-1.el7.x86_64 conflicts with file from package mariadb-libs-1:5.5.44-2.el7.centos.x86_64
    file /usr/share/mysql/polish/errmsg.sys from install of mysql-community-common-5.7.16-1.el7.x86_64 conflicts with file from package mariadb-libs-1:5.5.44-2.el7.centos.x86_64
    file /usr/share/mysql/portuguese/errmsg.sys from install of mysql-community-common-5.7.16-1.el7.x86_64 conflicts with file from package mariadb-libs-1:5.5.44-2.el7.centos.x86_64
    file /usr/share/mysql/romanian/errmsg.sys from install of mysql-community-common-5.7.16-1.el7.x86_64 conflicts with file from package mariadb-libs-1:5.5.44-2.el7.centos.x86_64
    file /usr/share/mysql/russian/errmsg.sys from install of mysql-community-common-5.7.16-1.el7.x86_64 conflicts with file from package mariadb-libs-1:5.5.44-2.el7.centos.x86_64
    file /usr/share/mysql/serbian/errmsg.sys from install of mysql-community-common-5.7.16-1.el7.x86_64 conflicts with file from package mariadb-libs-1:5.5.44-2.el7.centos.x86_64
    file /usr/share/mysql/slovak/errmsg.sys from install of mysql-community-common-5.7.16-1.el7.x86_64 conflicts with file from package mariadb-libs-1:5.5.44-2.el7.centos.x86_64
    file /usr/share/mysql/spanish/errmsg.sys from install of mysql-community-common-5.7.16-1.el7.x86_64 conflicts with file from package mariadb-libs-1:5.5.44-2.el7.centos.x86_64
    file /usr/share/mysql/swedish/errmsg.sys from install of mysql-community-common-5.7.16-1.el7.x86_64 conflicts with file from package mariadb-libs-1:5.5.44-2.el7.centos.x86_64
    file /usr/share/mysql/ukrainian/errmsg.sys from install of mysql-community-common-5.7.16-1.el7.x86_64 conflicts with file from package mariadb-libs-1:5.5.44-2.el7.centos.x86_64
    file /usr/share/mysql/charsets/Index.xml from install of mysql-community-common-5.7.16-1.el7.x86_64 conflicts with file from package mariadb-libs-1:5.5.44-2.el7.centos.x86_64
    file /usr/share/mysql/charsets/armscii8.xml from install of mysql-community-common-5.7.16-1.el7.x86_64 conflicts with file from package mariadb-libs-1:5.5.44-2.el7.centos.x86_64
    file /usr/share/mysql/charsets/ascii.xml from install of mysql-community-common-5.7.16-1.el7.x86_64 conflicts with file from package mariadb-libs-1:5.5.44-2.el7.centos.x86_64
    file /usr/share/mysql/charsets/cp1250.xml from install of mysql-community-common-5.7.16-1.el7.x86_64 conflicts with file from package mariadb-libs-1:5.5.44-2.el7.centos.x86_64
    file /usr/share/mysql/charsets/cp1256.xml from install of mysql-community-common-5.7.16-1.el7.x86_64 conflicts with file from package mariadb-libs-1:5.5.44-2.el7.centos.x86_64
    file /usr/share/mysql/charsets/cp1257.xml from install of mysql-community-common-5.7.16-1.el7.x86_64 conflicts with file from package mariadb-libs-1:5.5.44-2.el7.centos.x86_64
    file /usr/share/mysql/charsets/cp850.xml from install of mysql-community-common-5.7.16-1.el7.x86_64 conflicts with file from package mariadb-libs-1:5.5.44-2.el7.centos.x86_64
    file /usr/share/mysql/charsets/cp852.xml from install of mysql-community-common-5.7.16-1.el7.x86_64 conflicts with file from package mariadb-libs-1:5.5.44-2.el7.centos.x86_64
    file /usr/share/mysql/charsets/cp866.xml from install of mysql-community-common-5.7.16-1.el7.x86_64 conflicts with file from package mariadb-libs-1:5.5.44-2.el7.centos.x86_64
    file /usr/share/mysql/charsets/dec8.xml from install of mysql-community-common-5.7.16-1.el7.x86_64 conflicts with file from package mariadb-libs-1:5.5.44-2.el7.centos.x86_64
    file /usr/share/mysql/charsets/geostd8.xml from install of mysql-community-common-5.7.16-1.el7.x86_64 conflicts with file from package mariadb-libs-1:5.5.44-2.el7.centos.x86_64
    file /usr/share/mysql/charsets/greek.xml from install of mysql-community-common-5.7.16-1.el7.x86_64 conflicts with file from package mariadb-libs-1:5.5.44-2.el7.centos.x86_64
    file /usr/share/mysql/charsets/hebrew.xml from install of mysql-community-common-5.7.16-1.el7.x86_64 conflicts with file from package mariadb-libs-1:5.5.44-2.el7.centos.x86_64
    file /usr/share/mysql/charsets/hp8.xml from install of mysql-community-common-5.7.16-1.el7.x86_64 conflicts with file from package mariadb-libs-1:5.5.44-2.el7.centos.x86_64
    file /usr/share/mysql/charsets/keybcs2.xml from install of mysql-community-common-5.7.16-1.el7.x86_64 conflicts with file from package mariadb-libs-1:5.5.44-2.el7.centos.x86_64
    file /usr/share/mysql/charsets/koi8r.xml from install of mysql-community-common-5.7.16-1.el7.x86_64 conflicts with file from package mariadb-libs-1:5.5.44-2.el7.centos.x86_64
    file /usr/share/mysql/charsets/koi8u.xml from install of mysql-community-common-5.7.16-1.el7.x86_64 conflicts with file from package mariadb-libs-1:5.5.44-2.el7.centos.x86_64
    file /usr/share/mysql/charsets/latin1.xml from install of mysql-community-common-5.7.16-1.el7.x86_64 conflicts with file from package mariadb-libs-1:5.5.44-2.el7.centos.x86_64
    file /usr/share/mysql/charsets/latin2.xml from install of mysql-community-common-5.7.16-1.el7.x86_64 conflicts with file from package mariadb-libs-1:5.5.44-2.el7.centos.x86_64
    file /usr/share/mysql/charsets/latin5.xml from install of mysql-community-common-5.7.16-1.el7.x86_64 conflicts with file from package mariadb-libs-1:5.5.44-2.el7.centos.x86_64
    file /usr/share/mysql/charsets/latin7.xml from install of mysql-community-common-5.7.16-1.el7.x86_64 conflicts with file from package mariadb-libs-1:5.5.44-2.el7.centos.x86_64
    file /usr/share/mysql/charsets/macce.xml from install of mysql-community-common-5.7.16-1.el7.x86_64 conflicts with file from package mariadb-libs-1:5.5.44-2.el7.centos.x86_64
    file /usr/share/mysql/charsets/macroman.xml from install of mysql-community-common-5.7.16-1.el7.x86_64 conflicts with file from package mariadb-libs-1:5.5.44-2.el7.centos.x86_64
    file /usr/share/mysql/charsets/swe7.xml from install of mysql-community-common-5.7.16-1.el7.x86_64 conflicts with file from package mariadb-libs-1:5.5.44-2.el7.centos.x86_64

说明安装过程中与mariadb-libs发生了了冲突

卸载mariadb-libs

[root@localhost ~]# yum -y remove mariadb-libs.x86_64
Existing lock /var/run/yum.pid: another copy is running as pid 4060.
Another app is currently holding the yum lock; waiting for it to exit...
  The other application is: PackageKit
    Memory : 118 M RSS (1.4 GB VSZ)
    Started: Sun Nov 20 09:57:20 2016 - 04:54 ago
    State  : Sleeping, pid: 4060

提示yum被锁住了pid是4060

kill -9 4060

再次卸载mariadb-libs

[root@localhost ~]# yum -y remove mariadb-libs.x86_64
BDB2053 Freeing read locks for locker 0x3da: 4060/140620739848000
BDB2053 Freeing read locks for locker 0x3dc: 4060/140620739848000
Loaded plugins: fastestmirror, langpacks
Resolving Dependencies
--> Running transaction check
---> Package mariadb-libs.x86_64 1:5.5.44-2.el7.centos will be erased
--> Processing Dependency: libmysqlclient.so.18()(64bit) for package: 2:postfix-2.10.1-6.el7.x86_64
--> Processing Dependency: libmysqlclient.so.18(libmysqlclient_18)(64bit) for package: 2:postfix-2.10.1-6.el7.x86_64
--> Running transaction check
---> Package postfix.x86_64 2:2.10.1-6.el7 will be erased
--> Finished Dependency Resolution

Dependencies Resolved

===============================================================================================================================================================================================================
 Package                                           Arch                                        Version                                                    Repository                                      Size
===============================================================================================================================================================================================================
Removing:
 mariadb-libs                                      x86_64                                      1:5.5.44-2.el7.centos                                      @anaconda                                      4.4 M
Removing for dependencies:
 postfix                                           x86_64                                      2:2.10.1-6.el7                                             @anaconda                                       12 M

Transaction Summary
===============================================================================================================================================================================================================
Remove  1 Package (+1 Dependent package)

Installed size: 17 M
Downloading packages:
Running transaction check
Running transaction test
Transaction test succeeded
Running transaction
  Erasing    : 2:postfix-2.10.1-6.el7.x86_64                                                                                                                                                               1/2 
  Erasing    : 1:mariadb-libs-5.5.44-2.el7.centos.x86_64                                                                                                                                                   2/2 
  Verifying  : 1:mariadb-libs-5.5.44-2.el7.centos.x86_64                                                                                                                                                   1/2 
  Verifying  : 2:postfix-2.10.1-6.el7.x86_64                                                                                                                                                               2/2 

Removed:
  mariadb-libs.x86_64 1:5.5.44-2.el7.centos                                                                                                                                                                    

Dependency Removed:
  postfix.x86_64 2:2.10.1-6.el7                                                                                                                                                                                

Complete!

卸载mariadb-libs完成!

重新安装mysql-community-common-5.7.16-1.el7.x86_64.rpm

[root@localhost ~]# rpm -i mysql-community-common-5.7.16-1.el7.x86_64.rpm 
warning: mysql-community-common-5.7.16-1.el7.x86_64.rpm: Header V3 DSA/SHA1 Signature, key ID 5072e1f5: NOKEY

搞定!

接下来依次安装:

[root@localhost ~]# rpm -i mysql-community-libs-5.7.16-1.el7.x86_64.rpm
warning: mysql-community-libs-5.7.16-1.el7.x86_64.rpm: Header V3 DSA/SHA1 Signature, key ID 5072e1f5: NOKEY

[root@localhost ~]# rpm -i mysql-community-client-5.7.16-1.el7.x86_64.rpm
warning: mysql-community-client-5.7.16-1.el7.x86_64.rpm: Header V3 DSA/SHA1 Signature, key ID 5072e1f5: NOKEY

[root@localhost ~]# rpm -i mysql-community-server-5.7.16-1.el7.x86_64.rpm
warning: mysql-community-server-5.7.16-1.el7.x86_64.rpm: Header V3 DSA/SHA1 Signature, key ID 5072e1f5: NOKEY

3.启动mysql:

[root@localhost ~]# service mysqld start
Redirecting to /bin/systemctl start  mysqld.service

4.查看密码:

由于该版本安装后,mysql会自动生成一个随机密码在/var/log/mysqld.log中

查看密码

[root@localhost ~]# cat /var/log/mysqld.log|grep -n password

会看到其中有一行类似下面:

6:2016-11-20T15:12:19.209149Z 1 [Note] A temporary password is generated for root@localhost: Jj!LR+pj>2ad

其中Jj!LR+pj>2ad就是密码了。


5.登陆:

[root@localhost ~]# mysql -u root -p
Enter password: 

6.登陆成功后用命令修改密码

mysql> alter user 'root'@'localhost' identified by '123456';
ERROR 1819 (HY000): Your password does not satisfy the current policy requirements
//密码强度不够校验没通过

7.降低密码强度(可选)

mysql> set global validate_password_policy =0; //默认是1,即MEDIUM,所以刚开始设置的密码必须符合长度,且必须含有数字,小写或大写字母,特殊字符。
mysql> set global validate_password_length=4; //指定了密码中数据的长度

8.修改密码

mysql> alter user root@localhost identified by '123456';
Query OK, 0 rows affected (0.00 sec)

成功


mysql> crate database rise;

rise是数据库名


10.创建用户远程并赋予远程连接的权限

mysql> grant all privileges on rise.* to val@'%' identified by '123456';
mysql> flush privileges;

%表示任意IP(可以指定IP)、val是用户名、123456是密码


11.使用nativecat远程连接数据

提示:2003 -Can't connect to MySQL server on '10.0.0.18'(10038)

说明端口不通


12.开通3306端口

Centos升级到7之后,发现无法使用iptables控制Linuxs的端口,google之后发现Centos 7使用firewalld代替了原来的iptables。
下面记录如何使用firewalld开放Linux端口:

开启端口

[root@localhost ~]# firewall-cmd --zone=public --add-port=3306/tcp --permanent

命令含义:
–zone #作用域
–add-port=3306/tcp #添加端口,格式为:端口/通讯协议
–permanent #永久生效,没有此参数重启后失效

重启防火墙

[root@localhost ~]# firewall-cmd --reload

- OK,搞定

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