Centos7 用yum命令安装LAMP环境（php+Apache+Mysql）以及php扩展
1、yum -y update // 更新系统yum -y install gcc g++ gcc-c++
2、安装mysql
2.1）yum -y install mariadb-client mariadb-server mariadb-devel
2.2）启动：systemctl start mariadb.service
2.3）设置开机自启：systemctl enable mariadb
2.4）设置root密码：
① systemctl stop mariadb.service
② mysqld_safe --skip-grant-tables
③ mysql -u root（另开shell）
④ use mysql;
⑤ update user set password=password("123456") where user='root';
⑥ delete from user where user = '';
⑦ flush privileges;
2.5）设置root远程访问：
① use mysql;
② update user set host='%' where user='root' and host='localhost';
③ flush privileges;
④ exit;
⑤ systemctl restart mariadb.service
⑥ firewall-cmd --zone=public --add-port=80/tcp --permanent #添加80端口
⑦ firewall-cmd --zone=public --add-port=3306/tcp --permanent #添加3306端口
⑧ systemctl start firewalld #重新启动防火墙
⑨ systemctl enable firewalld #开机自启防火墙
3、安装apache
3.1）yum -y install httpd
3.2）启动：systemctl start httpd.service
3.3）设置开机自启：systemctl enable httpd
3.4）配置虚拟主机：在/etc/httpd/conf.d/目录下建新vhost.conf，新增内容：
<VirtualHost *:80>
DocumentRoot "/var/www/html/"
ServerName 192.168.8.100
ErrorLog "/var/log/httpd/error.log"
CustomLog "/var/log/httpd/access.log" common
</VirtualHost>
<VirtualHost *:80>
DocumentRoot "/var/www/html/CodeIgniter-3.1.2/"
ServerName www.100ci.com
ErrorLog "/var/log/httpd/100ci-error.log"
CustomLog "/var/log/httpd/100ci-access.log" common
</VirtualHost>
附：yum安装nginx
# rpm -Uvh http://nginx.org/packages/centos/7/noarch/RPMS/nginx-release-centos-7-0.el7.ngx.noarch.rpm
# yum info nginx
# yum install -y nginx
# systemctl start nginx
# systemctl enable nginx
4、安装php7
4.1）请参考 https://webtatic.com/packages/php71/
4.2）rpm -Uvh https://dl.fedoraproject.org/pub/epel/epel-release-latest-7.noarch.rpm
4.3）rpm -Uvh https://mirror.webtatic.com/yum/el7/webtatic-release.rpm
4.4） yum -y install php71w php71w-opcache php71w-common php71w-fpm php71w-gd php71w-mbstring php71w-mcrypt php71w-odbc php71w-pecl-redis php71w-pecl-memcached php71w-mysqlnd php71w-devel
4.5）安装完php，重启httpd，systemctl restart httpd
4.6）如果php中有冲突的包，执行yum -y remove 包名
5、安装phpredis扩展
5.1）yum -y install redis php-redis
5.2）重启httpd，systemctl restart httpd
6、部署成功
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