安装7.2把7.1改成7.2就行

使用第三方扩展epel源安装php7.2

#移除旧版php

[root@web02 ~]# yum remove php-mysql-5.4 php php-fpm php-common 

#安装扩展源

[root@web02 ~]# rpm -Uvh https://dl.fedoraproject.org/pub/epel/epel-release-latest-7.noarch.rpm

[root@web02 ~]# rpm -Uvh https://mirror.webtatic.com/yum/el7/webtatic-release.rpm

#安装php7版本

[root@web02 ~]# yum -y install

php71w \

php71w-cli \

php71w-common \

php71w-devel \

php71w-embedded \

php71w-gd \

php71w-mcrypt \

php71w-mbstring

php71w-pdo

php71w-xml

php71w-fpm

php71w-mysqlnd

php71w-opcache

php71w-pecl-memcached

php71w-pecl-redis

php71w-pecl-mongodb

[root@web02 ~]# cat /etc/yum.repos.d/nginx.repo

[nginx]

name=nginx repo

baseurl=http://nginx.org/packages/centos/7/$basearch/

gpgcheck=0

enabled=1

# 安装Nginx

[root@web02 ~]# yum install nginx -y

[root@web02 ~]# sed -i '/^user/c user www;' /etc/nginx/nginx.conf

[root@web02 ~]# systemctl enable nginx

[root@web02 ~]# systemctl start nginx

//下载官方扩展源, 扩展源集成mysql5.6、5.7、8.0,仅5.7仓库是开启

[root@nginx ~]# rpm -ivh http://repo.mysql.com/yum/mysql-5.7-community/el/7/x86_64/mysql57-community-release-el7-10.noarch.rpm

[root@nginx ~]# yum install mysql-community-server -y

[root@nginx ~]# systemctl start mysqld

[root@nginx ~]# systemctl enable mysqld

//如果mysql登陆需要密码,请查看该文件
[root@nginx ~]# grep 'temporary password' /var/log/mysqld.log

#高级方式
[root@web02 ~]# mysql -uroot -p$(awk '/temporary password/{print $NF}' /var/log/mysqld.log)

#登陆mysql重新配置密码
[root@nginx ~]# mysql -uroot -p'password'
# 修改登录密码
mysql> ALTER USER 'root'@'localhost' IDENTIFIED BY 'Bgx123.com';