1.mysql-5.7.25-1.el6.x86_64.rpm-bundle.tar下載百度云資源

提取碼：ej1y

2.把下載的mysql安裝包上傳到Centos上

解壓mysql，我這是在Windows上解壓的上傳到Centos上，我在Centos上解壓mysql不知道為什么少了rpm -ivh mysql-community-common-5.7.25-1.el6.x86_64.rpm包

tar –xvf mysql-5.7.25-1.el6.x86_64.rpm-bundle.tar

3.查看mysql依賴

rpm -qa | grep mysql

4.如果查看有mysql依賴，就刪除mysql依賴,

rpm -e --nodeps `rpm -qa | grep mysql`

5.再次查是否有mysql依賴

rpm -qa | grep mysql

6.安裝一定要按照順序來

第一個(gè)安裝：? rpm -ivh mysql-community-common-5.7.25-1.el6.x86_64.rpm報(bào)了一個(gè)錯(cuò)誤

[root@localhost mysql-5.7.25]# rpm -ivh mysql-community-common-5.7.25-1.el6.x86_64.rpm

warning: mysql-community-common-5.7.25-1.el6.x86_64.rpm: Header V3 DSA/SHA1 Signature, key ID 5072e1f5: NOKEY

Preparing... ########################################### [100%]

file /usr/share/mysql/charsets/Index.xml from install of mysql-community-common-5.7.25-1.el6.x86_64 conflicts with file from package MariaDB-common-10.4.8-1.el7.centos.x86_64

file /usr/share/mysql/charsets/armscii8.xml from install of mysql-community-common-5.7.25-1.el6.x86_64 conflicts with file from package MariaDB-common-10.4.8-1.el7.centos.x86_64

file /usr/share/mysql/charsets/ascii.xml from install of mysql-community-common-5.7.25-1.el6.x86_64 conflicts with file from package MariaDB-common-10.4.8-1.el7.centos.x86_64

file /usr/share/mysql/charsets/cp1250.xml from install of mysql-community-common-5.7.25-1.el6.x86_64 conflicts with file from package MariaDB-common-10.4.8-1.el7.centos.x86_64

file /usr/share/mysql/charsets/cp1251.xml from install of mysql-community-common-5.7.25-1.el6.x86_64 conflicts with file from package MariaDB-common-10.4.8-1.el7.centos.x86_64

file /usr/share/mysql/charsets/cp1256.xml from install of mysql-community-common-5.7.25-1.el6.x86_64 conflicts with file from package MariaDB-common-10.4.8-1.el7.centos.x86_64

file /usr/share/mysql/charsets/cp1257.xml from install of mysql-community-common-5.7.25-1.el6.x86_64 conflicts with file from package MariaDB-common-10.4.8-1.el7.centos.x86_64

file /usr/share/mysql/charsets/cp850.xml from install of mysql-community-common-5.7.25-1.el6.x86_64 conflicts with file from package MariaDB-common-10.4.8-1.el7.centos.x86_64

file /usr/share/mysql/charsets/cp852.xml from install of mysql-community-common-5.7.25-1.el6.x86_64 conflicts with file from package MariaDB-common-10.4.8-1.el7.centos.x86_64

file /usr/share/mysql/charsets/cp866.xml from install of mysql-community-common-5.7.25-1.el6.x86_64 conflicts with file from package MariaDB-common-10.4.8-1.el7.centos.x86_64

file /usr/share/mysql/charsets/dec8.xml from install of mysql-community-common-5.7.25-1.el6.x86_64 conflicts with file from package MariaDB-common-10.4.8-1.el7.centos.x86_64

file /usr/share/mysql/charsets/geostd8.xml from install of mysql-community-common-5.7.25-1.el6.x86_64 conflicts with file from package MariaDB-common-10.4.8-1.el7.centos.x86_64

file /usr/share/mysql/charsets/greek.xml from install of mysql-community-common-5.7.25-1.el6.x86_64 conflicts with file from package MariaDB-common-10.4.8-1.el7.centos.x86_64

file /usr/share/mysql/charsets/hebrew.xml from install of mysql-community-common-5.7.25-1.el6.x86_64 conflicts with file from package MariaDB-common-10.4.8-1.el7.centos.x86_64

file /usr/share/mysql/charsets/hp8.xml from install of mysql-community-common-5.7.25-1.el6.x86_64 conflicts with file from package MariaDB-common-10.4.8-1.el7.centos.x86_64

file /usr/share/mysql/charsets/keybcs2.xml from install of mysql-community-common-5.7.25-1.el6.x86_64 conflicts with file from package MariaDB-common-10.4.8-1.el7.centos.x86_64

file /usr/share/mysql/charsets/koi8r.xml from install of mysql-community-common-5.7.25-1.el6.x86_64 conflicts with file from package MariaDB-common-10.4.8-1.el7.centos.x86_64

file /usr/share/mysql/charsets/koi8u.xml from install of mysql-community-common-5.7.25-1.el6.x86_64 conflicts with file from package MariaDB-common-10.4.8-1.el7.centos.x86_64

file /usr/share/mysql/charsets/latin1.xml from install of mysql-community-common-5.7.25-1.el6.x86_64 conflicts with file from package MariaDB-common-10.4.8-1.el7.centos.x86_64

file /usr/share/mysql/charsets/latin2.xml from install of mysql-community-common-5.7.25-1.el6.x86_64 conflicts with file from package MariaDB-common-10.4.8-1.el7.centos.x86_64

file /usr/share/mysql/charsets/latin5.xml from install of mysql-community-common-5.7.25-1.el6.x86_64 conflicts with file from package MariaDB-common-10.4.8-1.el7.centos.x86_64

file /usr/share/mysql/charsets/latin7.xml from install of mysql-community-common-5.7.25-1.el6.x86_64 conflicts with file from package MariaDB-common-10.4.8-1.el7.centos.x86_64

file /usr/share/mysql/charsets/macce.xml from install of mysql-community-common-5.7.25-1.el6.x86_64 conflicts with file from package MariaDB-common-10.4.8-1.el7.centos.x86_64

file /usr/share/mysql/charsets/macroman.xml from install of mysql-community-common-5.7.25-1.el6.x86_64 conflicts with file from package MariaDB-common-10.4.8-1.el7.centos.x86_64

file /usr/share/mysql/charsets/swe7.xml from install of mysql-community-common-5.7.25-1.el6.x86_64 conflicts with file from package MariaDB-common-10.4.8-1.el7.centos.x86_64

[root@localhost mysql-5.7.25]# file /usr/share/mysql/charsets/Index.xml from install of mysql-community-common-5.7.25-1.el6.x86_64 conflicts with file from package MariaDB-common-10.4.8-1.el7.centos.x86_64

/usr/share/mysql/charsets/Index.xml: XML document text

from: cannot open `from' (No such file or directory)

install: cannot open `install' (No such file or directory)

of: cannot open `of' (No such file or directory)

mysql-community-common-5.7.25-1.el6.x86_64: cannot open `mysql-community-common-5.7.25-1.el6.x86_64' (No such file or directory)

conflicts: cannot open `conflicts' (No such file or directory)

with: cannot open `with' (No such file or directory)

file: cannot open `file' (No such file or directory)

from: cannot open `from' (No such file or directory)

package: cannot open `package' (No such file or directory)

MariaDB-common-10.4.8-1.el7.centos.x86_64: cannot open `MariaDB-common-10.4.8-1.el7.centos.x86_64' (No such file or directory)

原因：已存在MariaDB-common-10.4.8-1.el7.centos.x86_64的庫(這是我以前安裝MariaDB數(shù)據(jù)庫，如果是別的也要根據(jù)對(duì)應(yīng)的名字刪除)，所以需要先刪除以前的庫才能安裝！

執(zhí)行強(qiáng)制卸載命令：

rpm -e MariaDB-common-10.4.8-1.el7.centos.x86_64--nodeps

然后查看：

rpm –qa | grep mysql

再繼續(xù)安裝

rpm -ivh mysql-community-common-5.7.25-1.el6.x86_64.rpm

[root@localhost mysql-5.7.25]# rpm -ivh mysql-community-common-5.7.25-1.el6.x86_64.rpm

warning: mysql-community-common-5.7.25-1.el6.x86_64.rpm: Header V3 DSA/SHA1 Signature, key ID 5072e1f5: NOKEY

Preparing... ########################################### [100%]

1:mysql-community-common ########################################### [100%]

第二個(gè)安裝：

rpm -ivh mysql-community-libs-5.7.25-1.el6.x86_64.rpm

[root@localhost mysql-5.7.25]# rpm -ivh mysql-community-libs-5.7.25-1.el6.x86_64.rpm

warning: mysql-community-libs-5.7.25-1.el6.x86_64.rpm: Header V3 DSA/SHA1 Signature, key ID 5072e1f5: NOKEY

Preparing... ########################################### [100%]

1:mysql-community-libs ########################################### [100%]

第三個(gè)安裝

rpm -ivh mysql-community-client-5.7.25-1.el6.x86_64.rpm

[root@localhost mysql-5.7.25]# rpm -ivh mysql-community-client-5.7.25-1.el6.x86_64.rpm

warning: mysql-community-client-5.7.25-1.el6.x86_64.rpm: Header V3 DSA/SHA1 Signature, key ID 5072e1f5: NOKEY

Preparing... ########################################### [100%]

1:mysql-community-client ########################################### [100%]

第四個(gè)安裝

rpm -ivh mysql-community-server-5.7.25-1.el6.x86_64.rpm

[root@localhost mysql-5.7.25]# rpm -ivh mysql-community-server-5.7.25-1.el6.x86_64.rpm

warning: mysql-community-server-5.7.25-1.el6.x86_64.rpm: Header V3 DSA/SHA1 Signature, key ID 5072e1f5: NOKEY

Preparing... ########################################### [100%]

1:mysql-community-server ########################################### [100%]

You have new mail in /var/spool/mail/root

第五個(gè)安裝

rpm -ivh mysql-community-devel-5.7.25-1.el6.x86_64.rpm

[root@localhost mysql-5.7.25]# rpm -ivh mysql-community-devel-5.7.25-1.el6.x86_64.rpm

warning: mysql-community-devel-5.7.25-1.el6.x86_64.rpm: Header V3 DSA/SHA1 Signature, key ID 5072e1f5: NOKEY

Preparing... ########################################### [100%]

1:mysql-community-devel ########################################### [100%]

7.使用命令啟動(dòng)mysql服務(wù)

service mysqld start

[root@localhost mysql-5.7.25]# service mysqld start

Starting mysqld: [ OK ]

[root@localhost mysql-5.7.25]#

8.使用命令生成一個(gè)隨機(jī)密碼：grep "temporary password" /var/log/mysqld.log

[root@localhost mysql-5.7.25]# grep "temporary password" /var/log/mysqld.log

2020-04-07T12:32:39.276158Z 1 [Note] A temporary password is generated for root@localhost: >v>uyo:fg7.O

[root@localhost mysql-5.7.25]#

注意：密碼是root@localhost:右邊的字符串

root@localhost: >v>uyo:fg7.O?? 這里生成的隨機(jī)密碼是：>v>uyo:fg7.O

MySQL 會(huì)在?/var/log/mysqld.log?日志中生成一個(gè)隨機(jī)密碼，默認(rèn)需要修改密碼才能使用

可以通過 vim ?/var/log/mysqld.log?打開里面有一行這樣的代碼

2020-04-07T12:32:39.276158Z 1 [Note] A temporary password is generated for root@localhost: >v>uyo:fg7.O

9.修改密碼，先登錄mysql

mysql -u root –p

[root@localhost mysql-5.7.25]# mysql -u root -p

Enter password:

我這隨機(jī)密碼就是：>v>uyo:fg7.O

10.登錄成功

[root@localhost log]# mysql -u root -p

Enter password:

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

Your MySQL connection id is 12

Server version: 5.7.25

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> ALTER USER 'root'@'localhost' IDENTIFIED BY 'wangqing';

Query OK, 0 rows affected (0.01 sec)

mysql>

11.修改密碼：

mysql> ALTER USER 'root'@'localhost' IDENTIFIED BY '新密碼';

12.設(shè)置權(quán)限

為了可以遠(yuǎn)程連接該數(shù)據(jù)庫，需要設(shè)置相應(yīng)的權(quán)限

#任何主機(jī)

mysql>GRANT ALL PRIVILEGES ON *.* TO 'root'@'%' IDENTIFIED BY '剛剛修改的密碼' WITH GRANT OPTION;

#指定主機(jī)

mysql>GRANT ALL PRIVILEGES ON *.* TO 'xxxx'@’xx.xx.xx.xx’ IDENTIFIED BY 'xxxx' WITH GRANT OPTION;

13.刷新權(quán)限

mysql>flush privileges;

這就完成了，可以用sql工具連接mysql了

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