大佬教程收集整理的这篇文章主要介绍了centos7.3 安装mysql5.7.18的详细教程，大佬教程大佬觉得挺不错的，现在分享给大家，也给大家做个参考。
1查看Linux发行版本
[root@typecodes ~]# cat /etc/redhat-release
CentOS Linux release 7.2.1511 (CorE)
2 下载MysqL官方的Yum Repository
根据Linux发行版本（CentOS、Fedora都属于红帽系），从MysqL官方（http://dev.mysql.com/downloads/repo/yum/）获取Yum Repository。
[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.rpm Resolving dev.Mysql.com (dev.Mysql.com)... 137.254.60.11 ConnecTing to dev.Mysql.com (dev.Mysql.com)|137.254.60.11|:80... connected. http request sent,awaiTing response... 302 Found LOCATIOn: 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.rpm Resolving repo.Mysql.com (repo.Mysql.com)... 104.102.164.25 ConnecTing to repo.Mysql.com (repo.Mysql.com)|104.102.164.25|:80... connected. http request sent,awaiTing response... 200 OK Length: 8984 (8.8K) [application/x-redhat-package-manager] Saving to: ‘MysqL57-community-release-el7-7.noarch.rpm' 100%[=============================================================================================================================>] 8,984 --.-K/s in 0s 2016-02-03 18:36:07 (68.4 MB/s) - ‘MysqL57-community-release-el7-7.noarch.rpm' saved [8984/8984] 3 安装MysqL的Yum Repository 安装完MysqL的Yum Repository，每次执行yum update都会检查MysqL是否更新。 [root@typecodes ~]# yum -y install MysqL57-community-release-el7-7.noarch.rpm Loaded plugins: axelget,fastestmirror,langpacks Examining MysqL57-community-release-el7-7.noarch.rpm: MysqL57-community-release-el7-7.noarch Marking MysqL57-community-release-el7-7.noarch.rpm to be installed Resolving Dependencies --> Running transaction check ---> Package MysqL57-community-release.noarch 0:el7-7 will be installed --> Finished Dependency Resolution Dependencies Resolved ======================================================================================================================================================================= Package Arch Version Repository Size ======================================================================================================================================================================= Installing: MysqL57-community-release noarch el7-7 /MysqL57-community-release-el7-7.noarch 7.8 k transaction SumMary ======================================================================================================================================================================= Install 1 Package @R_590_10586@l size: 7.8 k Installed size: 7.8 k Downloading packages: Running transaction check Running transaction test transaction test succeeded Running transaction Installing : MysqL57-community-release-el7-7.noarch 1/1 Verifying : MysqL57-community-release-el7-7.noarch 1/1 Installed: MysqL57-community-release.noarch 0:el7-7 Complete!
3 安装MysqL数据库的服务器版本
[root@typecodes ~]# yum -y install MysqL-community-server Loaded plugins: axelget,langpacks No Metadata available for base No Metadata available for epel No Metadata available for extras repomd.xml | 2.5 kB 00:00:00 update mysql-connectors-community Metadata successfully repomd.xml | 2.5 kB 00:00:00 update MysqL-tools-community Metadata successfully repomd.xml | 2.5 kB 00:00:00 update MysqL57-community Metadata successfully No Metadata available for updates mysql-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.com Resolving 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 Resolution Dependencies 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 M Installing 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 k transaction SumMary ======================================================================================================================================================================= Install 3 Packages (+2 Dependent packages) @R_590_10586@l download size: 171 M Downloading 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 installed MysqL-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-MysqL ImporTing GPG key 0x5072E1F5: Userid : "MysqL Release ENGIneering <MysqL-build@oss.Oracle.com>" 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-MysqL Running transaction check Running transaction test transaction test succeeded Running 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 6/6 Installed: 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.el7 Dependency Installed: MysqL-community-client.x86_64 0:5.7.10-1.el7 MysqL-community-common.x86_64 0:5.7.10-1.el7 replaced: mariadb-libs.x86_64 1:5.5.44-2.el7.centos Complete! [root@typecodes ~]# clear
最后的截图：
4 启动数据库：
[root@typecodes ~]# systemctl start MysqLd.service
然后使用命令systemctl status MysqLd.service查看MysqL数据库启动后的服务状态：
5 获取初始密码
使用YUM安装并启动MysqL服务后，MysqL进程会自动在进程日志中打印root用户的初始密码：
#######从MysqL进程日志中获取root用户的初始密码：ra%yk7urCBIh [root@typecodes ~]# grep "password" /var/log/MysqLd.log 2016-02-03T10:42:17.272166Z 1 [Note] A temporary password is generated for root@localhost: ra%yk7urCBIh 2016-02-03T10:42:36.776875Z 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'
6 修改root用户密码
使用小节5中获取的root用户的初始密码，然后进行修改：
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。
set global validate_password_length=4;//指定了密码中数据的长度 alter user root@localhost identified by 'crow';//修改密码
增加远程访问权限
GRANT ALL PRIVILEGES ON *.* TO 'root'@'%' IDENTIFIED BY 'crow' WITH GRANT OPTION; FLUSH PRIVILEGES;
退出MysqL，然后重启服务
systemctl restart MysqLd
防火墙打开3306端口
firewall-cmd --zone=public --add-port=3306/tcp --peRMANent
重启防火墙
firewall-cmd --reload [root@typecodes ~]# MysqL -uroot -p Enter password: #######输入默认的root密码后回车 Welcome to the MysqL monitor. Commands end with ; or \g. Your MysqL connection id is 2 Server version: 5.7.10 Copyright (C) 2000,2015,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 'new password'; Query OK,0 rows affected (0.00 seC) MysqL> exit Bye
7 安装完毕
至此，使用在CentOS7中使用YUM方法安装MysqL5.7.10数据库完毕。如下所示，可以使用新的root密码登陆MysqL了。
[root@typecodes ~]# MysqL -uroot -ppassword MysqL: [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 3 Server version: 5.7.10 MysqL Community Server (GPL) Copyright (C) 2000,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> use MysqL; Reading table information for completion of table and column names You can turn off this feature to get a quicker startup with -A Database changed MysqL> show databases; +--------------------+ | Database | +--------------------+ | information_scheR_336_11845@a | | MysqL | | perfoRMANce_scheR_336_11845@a | | sys | +--------------------+ 4 rows in set (0.00 seC) MysqL> clear MysqL> exit Bye [root@typecodes ~]# clear
附录1：查看MysqL数据库的配置信息
@H_779_0@mysqL的配置文件依然是/etc/my.cnf，其它安装信息可以通过MysqL_config命令查看。其中，动态库文件存放在/usr/lib64/MysqL目录下。
附录2：对于C/C++等开发者
由于需要用到类似Mysql.h等头文件，需要执行下面的命令安装MysqL开发版本即可。
[root@typecodes ~]# yum -y install MysqL-community-devel
附录3：删除MysqL的Repository
因为小节3中安装了MysqL的Yum Repository，所以以后每次执行yum操作时，都会去检查更新。如果想要去掉这种自动检查操作的话，可以使用如下命令卸载MysqL的Repository即可。
使用上面的yum方法也可以安装目前MysqL官网上最新的版本MysqL5.7.18。只要替换小节2中rmp包的版本即可，后续操作步骤不变。
以上所述是小编给大家介绍的centos7.3 安装MysqL5.7.18的详细教程，希望对大家有所帮助，如果大家有任何疑问请给我留言，小编会及时回复大家的。在此也非常感谢大家对编程小技巧网站的支持！
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