[root@typecodes ~]# wget -i http://dev.mysql.com/get/mysql57-community-release-el7-7.noarch.rpm--2016-02-03 18:36:02-- http://dev.mysql.com/get/mysql57-community-release-el7-7.noarch.rpmResolving dev.mysql.com (dev.mysql.com)... 137.254.60.11Connecting to dev.mysql.com (dev.mysql.com)|137.254.60.11|:80... connected.HTTP request sent, awaiting response... 302 FoundLocation: http://repo.mysql.com//mysql57-community-release-el7-7.noarch.rpm [following]--2016-02-03 18:36:04-- http://repo.mysql.com//mysql57-community-release-el7-7.noarch.rpmResolving repo.mysql.com (repo.mysql.com)... 104.102.164.25Connecting to repo.mysql.com (repo.mysql.com)|104.102.164.25|:80... connected.HTTP request sent, awaiting response... 200 OKLength: 8984 (8.8K) [application/x-redhat-package-manager]Saving to: ‘mysql57-community-release-el7-7.noarch.rpm'100%[=============================================================================================================================>] 8,984  --.-K/s in 0s2016-02-03 18:36:07 (68.4 MB/s) - ‘mysql57-community-release-el7-7.noarch.rpm' saved [8984/8984]3 安裝MySQL的Yum Repository安裝完MySQL的Yum Repository，每次執(zhí)行yum update都會(huì)檢查MySQL是否更新。[root@typecodes ~]# yum -y install mysql57-community-release-el7-7.noarch.rpmLoaded plugins: axelget, fastestmirror, langpacksExamining mysql57-community-release-el7-7.noarch.rpm: mysql57-community-release-el7-7.noarchMarking mysql57-community-release-el7-7.noarch.rpm to be installedResolving Dependencies--> Running transaction check---> Package mysql57-community-release.noarch 0:el7-7 will be installed--> Finished Dependency ResolutionDependencies Resolved======================================================================================================================================================================= Package          Arch      Version     Repository             Size=======================================================================================================================================================================Installing: mysql57-community-release      noarch      el7-7      /mysql57-community-release-el7-7.noarch      7.8 kTransaction Summary=======================================================================================================================================================================Install 1 PackageTotal size: 7.8 kInstalled size: 7.8 kDownloading packages:Running transaction checkRunning transaction testTransaction test succeededRunning transaction Installing : mysql57-community-release-el7-7.noarch                            1/1  Verifying : mysql57-community-release-el7-7.noarch                           1/1Installed: mysql57-community-release.noarch 0:el7-7Complete!

[root@typecodes ~]# yum -y install mysql-community-serverLoaded plugins: axelget, fastestmirror, langpacksNo metadata available for baseNo metadata available for epelNo metadata available for extrasrepomd.xml                                  | 2.5 kB 00:00:00  update mysql-connectors-community metadata successfullyrepomd.xml                                  | 2.5 kB 00:00:00  update mysql-tools-community metadata successfullyrepomd.xml                                  | 2.5 kB 00:00:00  update mysql57-community metadata successfullyNo metadata available for updatesmysql-connectors-community                              | 2.5 kB 00:00:00  mysql-tools-community                               | 2.5 kB 00:00:00  mysql57-community                                | 2.5 kB 00:00:00  (1/3): mysql-tools-community/x86_64/primary_db                         | 24 kB 00:00:01  (2/3): mysql57-community/x86_64/primary_db                          | 28 kB 00:00:01  (3/3): mysql-connectors-community/x86_64/primary_db                        | 8.6 kB 00:00:02  Loading mirror speeds from cached hostfile * base: mirrors.aliyun.com * epel: mirrors.neusoft.edu.cn * extras: mirrors.163.com * updates: mirrors.163.comResolving Dependencies--> Running transaction check---> Package mysql-community-server.x86_64 0:5.7.10-1.el7 will be installed--> Processing Dependency: mysql-community-common(x86-64) = 5.7.10-1.el7 for package: mysql-community-server-5.7.10-1.el7.x86_64--> Processing Dependency: mysql-community-client(x86-64) = 5.7.10-1.el7 for package: mysql-community-server-5.7.10-1.el7.x86_64--> Running transaction check---> Package mysql-community-client.x86_64 0:5.7.10-1.el7 will be installed--> Processing Dependency: mysql-community-libs(x86-64) = 5.7.10-1.el7 for package: mysql-community-client-5.7.10-1.el7.x86_64---> Package mysql-community-common.x86_64 0:5.7.10-1.el7 will be installed--> Running transaction check---> Package mariadb-libs.x86_64 1:5.5.44-2.el7.centos will be obsoleted--> 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---> Package mysql-community-libs.x86_64 0:5.7.10-1.el7 will be obsoleting--> Running transaction check---> Package mysql-community-libs-compat.x86_64 0:5.7.10-1.el7 will be obsoleting--> Finished Dependency ResolutionDependencies Resolved======================================================================================================================================================================= Package           Arch       Version        Repository        Size=======================================================================================================================================================================Installing: mysql-community-libs        x86_64      5.7.10-1.el7       mysql57-community      2.2 M  replacing mariadb-libs.x86_64 1:5.5.44-2.el7.centos mysql-community-libs-compat      x86_64      5.7.10-1.el7       mysql57-community      2.0 M  replacing mariadb-libs.x86_64 1:5.5.44-2.el7.centos mysql-community-server        x86_64      5.7.10-1.el7       mysql57-community      142 MInstalling for dependencies: mysql-community-client        x86_64      5.7.10-1.el7       mysql57-community       24 M mysql-community-common        x86_64      5.7.10-1.el7       mysql57-community      269 kTransaction Summary=======================================================================================================================================================================Install 3 Packages (+2 Dependent packages)Total download size: 171 MDownloading packages:mysql-community-server-5.7.10-1.el7.x86_64.rpm                         | 142 MB 00:03:42  mysql-community-libs-compat-5.7.10-1.el7.x86_64.rpm                        | 2.0 MB 00:00:03  mysql-community-libs-5.7.10-1.el7.x86_64.rpm                         | 2.2 MB 00:00:05  mysql-community-client-5.7.10-1.el7.x86_64.rpm                         | 24 MB 00:00:41  warning: /var/cache/yum/x86_64/7/mysql57-community/packages/mysql-community-common-5.7.10-1.el7.x86_64.rpm: Header V3 DSA/SHA1 Signature, key ID 5072e1f5: NOKEY00 ETA Public key for mysql-community-common-5.7.10-1.el7.x86_64.rpm is not installedmysql-community-common-5.7.10-1.el7.x86_64.rpm                         | 269 kB 00:00:01  Retrieving key from file:///etc/pki/rpm-gpg/RPM-GPG-KEY-mysqlImporting GPG key 0x5072E1F5: Userid  : "MySQL Release Engineering <[email protected]>" Fingerprint: a4a9 4068 76fc bd3c 4567 70c8 8c71 8d3b 5072 e1f5 Package : mysql57-community-release-el7-7.noarch (@/mysql57-community-release-el7-7.noarch) From  : /etc/pki/rpm-gpg/RPM-GPG-KEY-mysqlRunning transaction checkRunning transaction testTransaction test succeededRunning transaction Installing : mysql-community-common-5.7.10-1.el7.x86_64                           1/6  Installing : mysql-community-libs-5.7.10-1.el7.x86_64                           2/6  Installing : mysql-community-client-5.7.10-1.el7.x86_64                           3/6  Installing : mysql-community-server-5.7.10-1.el7.x86_64                           4/6  Installing : mysql-community-libs-compat-5.7.10-1.el7.x86_64                          5/6  Erasing : 1:mariadb-libs-5.5.44-2.el7.centos.x86_64                           6/6  Verifying : mysql-community-server-5.7.10-1.el7.x86_64                           1/6  Verifying : mysql-community-libs-compat-5.7.10-1.el7.x86_64                          2/6  Verifying : mysql-community-common-5.7.10-1.el7.x86_64                           3/6  Verifying : mysql-community-libs-5.7.10-1.el7.x86_64                           4/6  Verifying : mysql-community-client-5.7.10-1.el7.x86_64                           5/6  Verifying : 1:mariadb-libs-5.5.44-2.el7.centos.x86_64                           6/6Installed: mysql-community-libs.x86_64 0:5.7.10-1.el7   mysql-community-libs-compat.x86_64 0:5.7.10-1.el7   mysql-community-server.x86_64 0:5.7.10-1.el7Dependency Installed: mysql-community-client.x86_64 0:5.7.10-1.el7          mysql-community-common.x86_64 0:5.7.10-1.el7Replaced: mariadb-libs.x86_64 1:5.5.44-2.el7.centosComplete![root@typecodes ~]# clear

[root@typecodes ~]# systemctl start mysqld.service

#######從mysql進(jìn)程日志中獲取root用戶(hù)的初始密碼：ra%yk7urCBIh[root@typecodes ~]# grep "password" /var/log/mysqld.log2016-02-03T10:42:17.272166Z 1 [Note] A temporary password is generated for root@localhost: ra%yk7urCBIh2016-02-03T10:42:36.776875Z 2 [Note] Access denied for user 'root'@'localhost' (using password: NO)2016-02-03T10:42:52.063138Z 3 [Note] Access denied for user 'root'@'localhost' (using password: NO)2016-02-03T10:42:57.564373Z 4 [Note] Access denied for user 'root'@'localhost' (using password: NO)2016-02-03T10:43:01.477007Z 5 [Note] Access denied for user 'root'@'localhost' (using password: NO)2016-02-03T10:46:03.642008Z 6 [Note] Access denied for user 'root'@'localhost' (using password: NO)2016-02-03T10:46:11.217889Z 7 [Note] Access denied for user 'root'@'localhost' (using password: NO)2016-02-03T10:47:44.755199Z 0 [Note] Shutting down plugin 'validate_password'2016-02-03T10:47:46.505844Z 0 [Note] Shutting down plugin 'sha256_password'2016-02-03T10:47:46.505851Z 0 [Note] Shutting down plugin 'mysql_native_password'

set global validate_password_length=4;//指定了密碼中數(shù)據(jù)的長(zhǎng)度alter user root@localhost identified by 'crow';//修改密碼

GRANT ALL PRIVILEGES ON *.* TO 'root'@'%' IDENTIFIED BY 'crow' WITH GRANT OPTION;FLUSH PRIVILEGES;

systemctl restart mysqld

firewall-cmd --zone=public --add-port=3306/tcp --permanent

firewall-cmd --reload[root@typecodes ~]# mysql -uroot -pEnter password:    #######輸入默認(rèn)的root密碼后回車(chē)Welcome to the MySQL monitor. Commands end with ; or /g.Your MySQL connection id is 2Server version: 5.7.10Copyright (c) 2000, 2015, Oracle and/or its affiliates. All rights reserved.Oracle is a registered trademark of Oracle Corporation and/or itsaffiliates. Other names may be trademarks of their respectiveowners.Type 'help;' or '/h' for help. Type '/c' to clear the current input statement.mysql> ALTER USER 'root'@'localhost' IDENTIFIED BY 'new password';Query OK, 0 rows affected (0.00 sec)mysql> exitBye

[root@typecodes ~]# mysql -uroot -ppasswordmysql: [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 3Server version: 5.7.10 MySQL Community Server (GPL)Copyright (c) 2000, 2015, Oracle and/or its affiliates. All rights reserved.Oracle is a registered trademark of Oracle Corporation and/or itsaffiliates. Other names may be trademarks of their respectiveowners.Type 'help;' or '/h' for help. Type '/c' to clear the current input statement.mysql> use mysql;Reading table information for completion of table and column namesYou can turn off this feature to get a quicker startup with -ADatabase changedmysql> show databases;+--------------------+| Database   |+--------------------+| information_schema || mysql    || performance_schema || sys    |+--------------------+4 rows in set (0.00 sec)mysql> clearmysql> exitBye[root@typecodes ~]# clear

[root@typecodes ~]# yum -y install mysql-community-devel

[root@typecodes ~]# yum -y remove mysql57-community-release-el7-7.noarchupdate 2017.04.10 11:10

wget -i -c http://dev.mysql.com/get/mysql57-community-release-el7-10.noarch.rpm