Httpd-2.4

????1.mpm支持運行dos機制

????2.支持event mpm

????3.支持異步讀寫

????4.支持每模塊及每個目錄分別使用各自的日志級別；

????5.每請求配置；

????6.增強版的表達式分析

????7.支持毫秒級別的keeplive timeout

????8.基于fqdn的虛擬主機不再需要namevirtualhost指令；

????9.支持用戶自定義變量

新模塊：

????1.mod_proxy_fcgi

????2.Mod_ratelimt

????3.Mod_remoteip

????

????修改了一些配置機制；

????不再支持使用order，deny，allow對ip進行訪問控制

????

????httpd依賴于apr，apr-util，apr-icon

????apr：apache portable runtime ?可移植運行庫

安裝過程：

1.先安裝開發(fā)環(huán)境:

yum?groupinstall?"Development?Tools"?"Server?Platform?Development"?-y yum?install?-y?pcre-devel?zlib-devel

要安裝1.4以上版本apr 以及apr-until

????

2.下載安裝apr-1.5.2

[root@localhost?~]#?wget?http://mirrors.hust.edu.cn/apache//apr/apr-1.5.2.tar.gz? tar?-zxvf?apr-1.5.2.tar.gz cd?apr-1.5.2 ./configure?--prefix=/usr/local/apr make? make?install

3.下載安裝apr-until-1.5.4

[root@localhost?~]#?wget?http://mirrors.cnnic.cn/apache//apr/apr-util-1.5.4.tar.gz tar?-zxvf?apr-util-1.5.4.tar.gz? cd?apr-util-1.5.4 ./configure?--prefix=/usr/local/apr-util?--with-apr=/usr/local/apr make make?install

4.下載http-2.4.17

wget?http://mirrors.hust.edu.cn/apache//httpd/httpd-2.4.17.tar.gz [root@localhost?httpd-2.4.17]#?tar?-zxvf?httpd-2.4.17.tar.gz

創(chuàng)建apache用戶和組：groupadd?-r?apache [root@localhost?~]#?useradd?-r?-g?apache?apache

./configure?--prefix=/usr/local/apache?--sysconfdir=/etc/httpd?--enable-so?--enable-ssl?--enable-cgi?--enable-rewrite?--with-zlib?--with-pcre?--with-apr=/usr/local/apr?--with-apr-util=/usr/local/apr-util/?--enable-modules=most?--enable-mpms-shared=all?--with-mpm=prefork

????????????????????? ??

編譯參數屬性解釋：

--prefix	指定httpd2.4的安裝路徑
--sysconfdir	指定配置文件路徑
--enable-so	啟動sharedobject共享對象
--enable-ssl	啟用ssl，借助于此可以實現HTTPS訪問
--enable-cgi	啟用CGI，可以實現CGI腳本執(zhí)行
--enable-rewrite	啟用Rewrite重寫，能夠實現諸如301重定向的功能，以來PCRE包
--with-zlib	啟用zlib壓縮
--with-pcre	啟用PCRE
--with-apr	指定apr的路徑，httpd2.4依賴apr1.4版本以上，所以要指明
--with-apr-util	指定apr-util的路徑，同上
--enable-modules	啟用哪些模塊加載，most盡可能多的
--enable-mpms-shared=all	http2.4上prefork、worker、event是模塊化的，可以動態(tài)加載
--with-mpm=prefork	指明默認的httpd2.4 MPM，即運行在prefork模型下

修改系統(tǒng)用戶：

[root@localhost?apache]#?vim?/etc/httpd/httpd.conf #User?daemon #Group?daemonUser?apache Group?apache

?編譯安裝網頁存放目錄：/usr/local/apache/htdocs

?ln -sv /usr/local/apache/include/ /usr/include/httpd

? ? ? ??

?啟動服務：添加環(huán)境變量，找到apachectl 命令路徑：

vim?/etc/profile.d/httpd.sh export?PATH=/usr/local/apache/bin:$PATH apachectl?start

或者用hash -r命令清除搜索記錄：
httpd -M 查看全部模塊

查看系統(tǒng)進程：http已經啟動完畢。

[root@localhost?~]#?ps?aux?|?grep?httpd root??????41702??0.0??0.1??72108??1968??????????Ss???01:15???0:00?/usr/local/apache/bin/httpd?-k?start apache????41703??0.0??0.1??72108??1400??????????S????01:15???0:00?/usr/local/apache/bin/httpd?-k?start apache????41704??0.0??0.1??72108??1400??????????S????01:15???0:00?/usr/local/apache/bin/httpd?-k?start apache????41705??0.0??0.2??72108??2040??????????S????01:15???0:00?/usr/local/apache/bin/httpd?-k?start apache????41706??0.0??0.1??72108??1400??????????S????01:15???0:00?/usr/local/apache/bin/httpd?-k?start apache????41707??0.0??0.2??72108??2032??????????S????01:15???0:00?/usr/local/apache/bin/httpd?-k?start apache????41902??0.0??0.1??72108??1408??????????S????02:03???0:00?/usr/local/apache/bin/httpd?-k?start apache????41903??0.0??0.1??72108??1408??????????S????02:03???0:00?/usr/local/apache/bin/httpd?-k?start apache????41904??0.0??0.1??72108??1408??????????S????02:03???0:00?/usr/local/apache/bin/httpd?-k?start root??????41919??0.0??0.0?103304???888?pts/0????S+???02:06???0:00?grep?httpd [root@localhost?~]#

# Path to the apachectl script, server binary, and short-form for messages.

apachectl=/usr/local/apache/bin/apachectl

httpd=${HTTPD-/usr/local/apache/bin/httpd}

prog=httpd

pidfile=${PIDFILE-/usr/local/apache/logs/httpd.pid}

lockfile=${LOCKFILE-/var/lock/subsys/httpd}

RETVAL=0

STOP_TIMEOUT=${STOP_TIMEOUT-10}

配置：

1：切換使用mpm：

打開配置文檔找到以下模塊位置：

LoadModule?mpm_prefork_module?modules/mod_mpm_prefork.so #LoadModule?mpm_worker_module?modules/mod_mpm_worker.so

NAME:prefork,event,worker

2:修改“main”server的DocumentRoot

打開：

[root@localhost ~]# vim /etc/httpd/httpd.conf

找到：

#?DocumentRoot:?The?directory?out?of?which?you?will?serve?your #?documents.?By?default,?all?requests?are?taken?from?this?directory,?but #?symbolic?links?and?aliases?may?be?used?to?point?to?other?locations. # DocumentRoot?"/usr/local/apache/htdocs"?修改兩個主頁目錄 <Directory?"/usr/local/apache/htdocs">???同上，并且一致

????????

3：基于ip的訪問控制法則

???????允許所有主機訪問：Require all granted

????????拒絕所有主機訪問：Require all deny

????????控制特定ip訪問：

????????require ip IPADDR：授權指定來源的主機訪問

????????Require not ip IPADDR：拒絕指定來源地址的主機訪問

????????

????????ipADDR：

????????ip：192.168.1.1

????????network/mask 192.168.1.0/24

????????Network/Lenth

????????

????????HostName:

????????FqDN

????????DOMAIN:

4:虛擬主機配置：

基于IP，port和FQDN

基于FQDN不再需要NameVirtualHost指令

（1）需要注釋掉中心主機：

?

#?DocumentRoot:?The?directory?out?of?which?you?will?serve?your #?documents.?By?default,?all?requests?are?taken?from?this?directory,?but #?symbolic?links?and?aliases?may?be?used?to?point?to?other?locations. # #DocumentRoot?"/usr/local/apache/htdocs"? #<Directory?"/usr/local/apache/htdocs">

（2）找到配置文件里的以下參數：

#?Virtual?hosts Include?/etc/httpd/extra/httpd-vhosts.conf??這項開啟

（3）進入到extra目錄下：找到httpd-vhosts.conf

[root@localhost?~]#?cd?/etc/httpd/extra/ [root@localhost?extra]#?ls httpd-autoindex.conf??httpd-default.conf??httpd-languages.conf??httpd-mpm.conf?????????????????httpd-ssl.conf??????httpd-vhosts.conf httpd-dav.conf????????httpd-info.conf?????httpd-manual.conf?????httpd-multilang-errordoc.conf??httpd-userdir.conf??proxy-html.conf [root@localhost?extra]#

?

打開httpd-vhosts.conf配置文件：

修改參數，以下實例參考：

<VirtualHost?*:80>ServerAdmin?webadmin@a.comDocumentRoot?"/vhost/www.a.com/htdoc/"ServerName?www.a.comServerAlias?a.comErrorLog?"logs/www.a.com-error_log"CustomLog?"logs/www.a.com-access_log"?combined<Directory?"/vhost/www.a.com/htdoc/">Options?NoneAllowOverride?noneRequire?all?granted</Directory> </VirtualHost>

修改啟動腳本參數為以下內容： ? ? ? ?

apachectl=/usr/local/apache/bin/apachectl httpd=${HTTPD-/usr/local/apache/bin/httpd} prog=httpd pidfile=${PIDFILE-/usr/local/apache/logs/httpd.pid} lockfile=${LOCKFILE-/var/lock/subsys/httpd} RETVAL=0 STOP_TIMEOUT=${STOP_TIMEOUT-10}

轉載于:https://blog.51cto.com/houzhimeng/1703921

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