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 installphp71w \
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

nginx

去官方站点获取yum仓库

[root@web02 ~]# cat /etc/yum.repos.d/nginx.repo
[nginx]
name=nginx repo
baseurl=http://nginx.org/packages/centos/7/$basearch/
gpgcheck=0enabled=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

mysql

//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';