安装php7相应的yum源
 
CentOS 7.x:   # rpm -Uvh https://dl.fedoraproject.org/pub/epel/epel-release-latest-7.noarch.rpm # rpm -Uvh https://mirror.webtatic.com/yum/el7/webtatic-release.rpm CentOS  6.x: # rpm -Uvh https://mirror.webtatic.com/yum/el6/latest.rpm     查看版本   yum search php7       安装php7   # yum install mod_php71w php71w-opcache php71w-fpm   安装php7扩展：   # yum install php71w-gd php71w-mbstring   # yum install php71w  php71w-bcmath php71w-cli  php71w-common  php71w-devel php71w-fpm    php71w-gd     php71w-mbstring   php71w-mcrypt   php71w-pdo       php71w-pear       php71w-pecl-* php71w-process  php71w-xm*       安装nginx   yum install nginx       安装mysql   wget https://dev.mysql.com/get/mysql80-community-release-el7-2.noarch.rpm   rpm -Uvh mysql80-community-release-el7-2.noarch.rpm    yum repolist all | grep mysql   vim /etc/yum.repos.d/mysql-community.repo   yum repolist enabled | grep mysql   yum install mysql-community-server   service mysqld start       mysql 修改密码   mysql> use mysql; mysql> UPDATE user SET Password = PASSWORD('newpass') WHERE user = 'root'; mysql> FLUSH PRIVILEGES;       liunx新增用户   useradd admin   groupadd admin   passwd admin       contos7端口开启   firewall-cmd --query-port=8083/tcp   firewall-cmd --zone=public --add-port=80/tcp --permanent   firewall-cmd --reload   systemctl start firewalld   systemctl stop firewalld   systemctl status firewalld    contos6端口开启   yum -y install iptables-services   vi /etc/sysconfig/iptables   systemctl restart iptables.service #重启防火墙使配置生效



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