云计算学习路线教程大纲课件:HTTP Server: Apache知识点: 建议使用2.4及以上的版本 ======================================================== 一、Apache基础 Apache: www.apache.org 软件包: httpd 服务端口: 80/tcp(http) 443/tcp(https,http+ssl) 配置文件: /etc/httpd/conf/httpd.conf /etc/httpd/conf.d/*.conf /etc/httpd/conf.d/welcome.conf //默认测试页面 二、安装Apache [root@apache ~]# yum -y install httpd [root@apache ~]# systemctl start httpd [root@apache ~]# systemctl enable httpd 网站主目录建立测试页: [root@apache ~]# vim /var/www/html/index.html tianyun [root@apache ~]# vim /var/www/html/2.php <?php phpinfo(); ?> 192.168.31.154/index.html [root@apache ~]# sed -ri '/^SELINUX=/cSELINUX=disabled' /etc/selinux/config [root@apache ~]# setenforce 0 [root@apache ~]# firewall-cmd --permanent --add-service=http [root@apache ~]# firewall-cmd --permanent --add-service=https [root@apache ~]# firewall-cmd --reload 三、安装PHP [root@apache ~]# yum -y install php //php作为Apache的模块 [root@apache ~]# ll /etc/httpd/modules/libphp5.so -rwxr-xr-x. 1 root root 4588368 Jun 24 2015 /etc/httpd/modules/libphp5.so [root@apache ~]# ll /etc/httpd/conf.d/php.conf -rw-r--r--. 1 root root 691 Jun 24 2015 /etc/httpd/conf.d/php.conf [root@apache ~]# systemctl restart httpd 192.168.31.154/2.php 四、安装Mariadb [root@apache ~]# yum -y install mariadb-server mariadb [root@apache ~]# systemctl start mariadb.service [root@apache ~]# systemctl enable mariadb.service [root@apache ~]# mysql_secure_installation //提升mariadb安全 [可选] Set root password? [Y/n] New password: 123 Re-enter new password: 123 [root@apache ~]# mysql -uroot -p123 //登录mariadb测试 MariaDB [(none)]> \q [root@apache ~]# rm -rf /var/www/html/* [root@apache ~]# vim /var/www/html/index.php <?php $link=mysql_connect('localhost','root','123'); if ($link) echo "Successfuly"; else echo "Faile"; mysql_close(); ?> 测试结果: php无法连接mysql 五、并配置php连接Mariadb [root@apache ~]# yum -y install php-mysql [root@apache ~]# php -m //查看php有哪些扩展 [PHP Modules] mysql mysqli [root@apache ~]# systemctl restart httpd 六、Apache基本配置 [root@tianyun ~]# vim /etc/httpd/conf/httpd.conf ServerRoot "/etc/httpd" //安装目录 Listen 80 //监听端口 IncludeOptional conf.d/*.conf //包含conf.d下的*.conf文件 User apache //运行Apache的用户 Group apache //运行Apache的用户组 DirectoryIndex index.html index.php //设置默认主页 DocumentRoot //站点默认主目录 <Directory "/var/www"> //Apache访问控制 AllowOverride None # Allow open access: Require all granted </Directory> ======================================================== 配置进程和线程 针对apache2.2 仅针对面试 # prefork MPM //进程模式 <IfModule prefork.c> StartServers 10 //初始建立的进程数 MinSpareServers 10 //最小空闲的进程数 MaxSpareServers 15 //最大空闲的进程数 ServerLimit 2000 //最大启动的进程数 默认256 MaxClients 2000 //最大并发连接数 默认256 MaxRequestsPerChild 4000 //每个子进程在其生命周期内允许响应的最大请求数,0不限制 </IfModule> # worker MPM //线程模式 <IfModule worker.c> StartServers 2 //初始建立的进程数 ThreadsPerChild 50 //每个进程建立的线程数 MinSpareThreads 100 //最小空闲的线程数 MaxSpareThreads 200 //最大空间的线程数 MaxClients 2000 //最大的并发访问量(线程) MaxRequestsPerChild 0 //每个子进程在其生命周期内允许响应的最大请求数,0不限制 </IfModule> ======================================================== 忘记MySQL密码 MySQL 5.7.5 and earlier: [root@mysql1 ~]# vim /etc/my.cnf [mysqld] skip-grant-tables [root@mysql1 ~]# service mysqld restart [root@mysql1 ~]# mysql mysql> update mysql.user set password=password("456") where user="root" and host="localhost"; mysql> flush privileges; mysql> \q [root@mysql1 ~]# vim /etc/my.cnf [mysqld] #skip-grant-table [root@mysql1 ~]# service mysqld restart |
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