apache安装

源码安装

> tar zxf httpd-2.2.27.tar.gz
> cd httpd-2.2.27

less INSTALL 或 less README 查看帮助

./configure --prefix=/application/apache2.2.27 --enable-deflate --enable-expires --enable-headers --enable-modules=most --enable-so --with-mpm=worker --enable-rewrite
1. make&&make install
2. yum install zlib zlib-devel -y
3. ln -s /application/apache2.2.27/ /application/apache
> /application/apache/apachectl -t #检测语法
> /application/apache/apachectl  start #启动服务
> /application/apache/bin/apachectl graceful #平滑启动
> lsof -i :80 #检查端口
或者
> ps -ef | grep httpd #检查进程

浏览器访问服务器ip地址出现apache页面表示正常。

/usr/sbin/apachectl -l #查看编译模块
/usr/sbin/apachectl -M  #查看编译模块

rpm -qa httpd
rpm -ql httpd  #查看安装目录

DocumentRoot "/usr/local/ads"   #主站根目录
优化: 
Options -Indexes FollowSymLinks  #Indexes前加-号,防止暴露根目录文件
添加站点:

    Options -Indexes FollowSymLinks
    AllowOverride None
    Order allow,deny
    Allow from all


指定访问的首页文件:

    DirectoryIndex  index.php  index.html

FQDN问题:
#ServerName www.example.com:80
ServerName 192.168.177.4:80

虚拟机主机:
部署多个站点,每个站点,希望用不同的域名和站点目录,或者是不同的端口,不同的IP。需要虚拟主机功能。一句话,一个http服务要配置多个站点,就需要虚拟主机。

虚拟机分类:
a.基于域名*****
b.基于端口
c.基于ip

所谓的基于XX,就是靠XX来区分不同的站点。支持各种混合,N多个虚拟主机。

虚拟主机配置:
域名            站点目录
www.sinjon.org  /var/html/www
blog.sinjon.org /var/html/blog
bbs.sinjon.org  /var/html/bbs

1. 打开/usr/local/apache2/conf/httpd.conf把下面语句前的#号去掉和添加如下内容
#Include conf/extra/httpd-vhosts.conf

    Options FollowSymLinks
    AllowOverride None
    Order allow,deny
    Allow from all


2. /usr/local/apache2/conf/extra/httpd-vhosts.conf 添加如下内容:

    ServerAdmin [email protected]
    DocumentRoot "/var/html/www"
    ServerName www.baidu.com
    ServerAlias baidu.com    #别名
    ErrorLog "logs/www-error.log"
    CustomLog "logs/www-access_log" common


    ServerAdmin [email protected]
    DocumentRoot "/var/html/blog"
    ServerName blog.baidu.com
    ErrorLog "logs/blog-error.log"
    CustomLog "logs/blog-access_log" common


    ServerAdmin [email protected]
    DocumentRoot "/var/html/bbs"
    ServerName bbs.baidu.com
    ErrorLog "logs/bbs-error.log"
    CustomLog "logs/bbs-access_log" common



基于端口:
/usr/local/apache2/conf/httpd.conf 
Listen 80
Listen 8000
Listen 9000
/usr/local/apache2/conf/extra/httpd-vhosts.conf 
NameVirtualHost *:80
NameVirtualHost *:8000
NameVirtualHost *:9000

.。。。。





apache性能调优:
1、打开/usr/local/apache2/conf/httpd.conf把下面语句前的#号去掉
#Include conf/extra/httpd-mpm.conf

2、查看apache使用的什么工作模式,下面为prefork.c模式
cd  /usr/local/apache2/bin
[root@ADSHttp2 bin]# ./apachectl -l
prefork.c

3、修改/usr/local/apache2/conf/extra/httpd-mpm.conf文件,找到preforkmodule修改

    ServerLimit  20000
    StartServers          5
    MinSpareServers       5
    MaxSpareServers      10
    MaxClients          2500
    MaxRequestsPerChild   0

serverLimit最大为20000,需改大时要编译安装时指定,MaxClients 为最大连接进程数(客户端连接数)
配置文件 /usr/local/apache2/conf/httpd.conf 
ServerRoot "/usr/local/apache2"   #程序服务的路径
Listen 80
ServerAdmin [email protected]   #支持人员邮箱
ServerName 172.23.2.31:80  #域名
DocumentRoot "/usr/local/ads"    #站点根目录

    Options Indexes FollowSymLinks   #Indexes 前加上-表示不列出站点文件
    AllowOverride None
    Order allow,deny
    Allow from all


    DirectoryIndex index.html  #指定首页文件,添加多个用空格

ErrorLog "|/usr/local/apache2/bin/rotatelogs /usr/local/apache2/logs/%Y%m%d_error.log 86400"
LogLevel warn   #日志级别

    LogFormat "2],[%A],[%h],[%{%Y-%m-%d %H:%M:%S}t],[http://%A%U],[%>s],[%b" common
    LogFormat "%A],[%h],[%{%Y-%m-%d %H:%M:%S}t],[http://%A%U]" referer
    LogFormat "%A],[%h],[%{%Y-%m-%d %H:%M:%S}t],[http://%A%U]" agent
    
    LogFormat "%h %l %u %t \"%r\" %>s %b \"%{Referer}i\" \"%{User-Agent}i\" %I %O" combinedio
    
   
                    SetEnv IFILE 1
                  
    
                     SetEnv http_IFILE 1
                   
    
                    SetEnv xml_IFILE 1
                  
    CustomLog "|/usr/local/apache2/bin/rotatelogs /usr/local/ads_logs/DownloadLog/AppDownloadInfo_172.23.2.31_%Y%m%d_%H.log 3600 480" common env=IFILE
    CustomLog "|/usr/local/apache2/bin/rotatelogs /usr/local/ads_logs/HttpConnectInfo/HttpConnectInfo_172.23.2.31_%Y%m%d_%H.log 3600 480" referer env=http_IFILE
    CustomLog "|/usr/local/apache2/bin/rotatelogs /usr/local/ads_logs/AutoDownloadListLog/AutoDownloadListinfo_172.23.2.31_%Y%m%d_%H.log 3600 480" agent env=xml_IFILE

DefaultType text/plain
Include conf/extra/httpd-mpm.conf 

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