本文介绍Linux系统编译安装及配置Appach2.4.6服务器，希望对于初学Apache服务器相关的朋友有帮助，更多Apache安装、配置、报错处理等资源请本站内搜索。
Apache简介
Apache HTTP Server（简称Apache）是Apache软件基金会的一个开放源码的网页服务器，可以在大多数计算机操作系统中运行，由于其多平台和安全性被广泛使用，是最流行的Web服务器端软件之一。它快速、可靠并且可通过简单的API扩展，将Perl/Python等解释器编译到服务器中。
Apache软件下载
Apache的相关软件包下载地址http://apr.apache.org/projects.html
1. Apache HTTP Server
截止目前为止，Apache HTTP Server 目前最新的版本是 Apache httpd 2.4.6 Released， 下载地址：http://httpd.apache.org/download.cgi#apache24
2. APR and APR-Util包
截止目前为止，APR and APR-Util的最新版本如下，下载地址：http://apr.apache.org/download.cgi
APR 1.4.8, released June 21, 2013
APR-util 1.5.2, released April 4, 2013
APR-iconv 1.2.1, released November 26, 2007
3. PCRE包
截止目前为止，PCRE最新的包为8.33，下载地址如下
https://sourceforge.net/projects/pcre/files/pcre/
可以下载了相关安装包，上传到/root/kerry这个临时目录。也可以直接通过wget下载
Apache安装要求
下面是官方文档的要求，必须安装APR、APR-Util、PCRE，gcc-c++等包，文档URL地址http://httpd.apache.org/docs/2.4/install.html
Requirements
The following requirements exist for building Apache httpd:
APR and APR-Util
Make sure you have APR and APR-Util already installed on your system. If you don't, or prefer to not use the system-provided versions, download the latest versions of both APR and APR-Util from Apache APR, unpack them into ./srclib/apr and ./srclib/apr-util (be sure the directory names do not have version numbers; for example, the APR distribution must be under ./srclib/apr/) and use ./configure's --with-included-apr option. On some platforms, you may have to install the corresponding -dev packages to allow httpd to build against your installed copy of APR and APR-Util.
Perl-Compatible Regular Expressions Library (PCRE)
This library is required but not longer bundled with httpd. Download the source code from http://www.pcre.org, or install a Port or Package. If your build system can't find the pcre-config script installed by the PCRE build, point to it using the --with-pcre parameter. On some platforms, you may have to install the corresponding -dev package to allow httpd to build against your installed copy of PCRE.
Disk Space
Make sure you have at least 50 MB of temporary free disk space available. After installation the server occupies approximately 10 MB of disk space. The actual disk space requirements will vary considerably based on your chosen configuration options, any third-party modules, and, of course, the size of the web site or sites that you have on the server.
ANSI-C Compiler and Build System
Make sure you have an ANSI-C compiler installed. The GNU C compiler (GCC) from the Free Software Foundation (FSF) is recommended. If you don't have GCC then at least make sure your vendor's compiler is ANSI compliant. In addition, your PATH must contain basic build tools such as make.
Accurate time keeping
Elements of the HTTP protocol are expressed as the time of day. So, it's time to investigate setting some time synchronization facility on your system. Usually thentpdate or xntpd programs are used for this purpose which are based on the Network Time Protocol (NTP). See the NTP homepage for more details about NTP software and public time servers.
Perl 5 [OPTIONAL]
For some of the support scripts like apxs or dbmmanage (which are written in Perl) the Perl 5 interpreter is required (versions 5.003 or newer are sufficient). If you have multiple Perl interpreters (for example, a systemwide install of Perl 4, and your own install of Perl 5), you are advised to use the --with-perl option (see below) to make sure the correct one is used by configure. If no Perl 5 interpreter is found by the configure script, you will not be able to use the affected support scripts. Of course, you will still be able to build and use Apache httpd.
Apache安装过程
Step 1：安装包gcc或gcc-c++
[[email protected] pcre-8.33]# yum list gcc-c++
Loaded plugins: product-id, security, subscription-manager
Updating Red Hat repositories.
Available Packages
gcc-c++.x86_64 4.1.2-51.el5 rhel-debuginfo
[[email protected] pcre-8.33]# yum list gcc
Loaded plugins: product-id, security, subscription-manager
Updating Red Hat repositories.
Installed Packages
gcc.x86_64 4.1.2-51.el5 installed
[[email protected] pcre-8.33]# rpm -q gcc
gcc-4.1.2-51.el5
从上面可见gcc包已经安装，缺少gcc-c++包，那么接下来安装包gcc-c++,如果此处不安装该包，后面安装过程中会报错
[[email protected] pcre-8.33]#yum install gcc-c++
Step 2：安装包APR和APR-Util
[[email protected] kerry]# ls apr*
apr-1.4.8.tar.gz apr-util-1.5.2.tar.gz
[[email protected] kerry]#
[[email protected] kerry]# tar -zxf apr-1.4.8.tar.gz
[[email protected] kerry]# cd apr-1.4.8
[[email protected] apr-1.4.8]# ls
新建目录/usr/local/apr，用作安装目录：
[[email protected] apr-1.4.8]# mkdir /usr/local/apr
[[email protected] apr-1.4.8]# ./configure --prefix=/usr/local/apr
[[email protected] apr-1.4.8]# make
[[email protected] apr-1.4.8]# make install
安装完成后，可以验证一下
[ [email protected] apr]# ls -lrt
total 32
drwxr-xr-x 3 root root 4096 Aug 15 06:57 include
drwxr-xr-x 3 root root 4096 Aug 15 06:57 lib
drwxr-xr-x 2 root root 4096 Aug 15 06:57 build-1
drwxr-xr-x 2 root root 4096 Aug 15 06:57 bin
[[email protected] kerry]# mkdir /usr/local/apr-util
[[email protected] kerry]# tar -zxf apr-util-1.5.2.tar.gz
[[email protected] kerry]# cd apr-util-1.5.2
[[email protected] apr-util-1.5.2]# ./configure --prefix=/usr/local/apr-util --with-apr=/usr/local/apr/bin/apr-1-config
[[email protected] apr-util-1.5.2]# make
[[email protected] apr-util-1.5.2]# make install
Step 3：安装包PRCE
[[email protected] kerry]# unzip pcre-8.33.zip
[[email protected] kerry]# cd pcre-8.33
[[email protected] kerry]#mkdir /usr/local/pcre
[[email protected] pcre-8.33]# ./configure --prefix= /usr/local/pcre--with-apr=/usr/local/apr/bin/apr-1-config
[[email protected] pcre-8.33]# make
[[email protected] pcre-8.33]# make install
Step 4：安装Apache Http Server
[[email protected] kerry]# tar zxvf httpd-2.4.6.tar.gz
[[email protected] kerry]#cd httpd-2.4.6
[[email protected] httpd-2.4.6]# ./configure --prefix=/usr/local/apache --with-pcre=/usr/local/pcre --with-apr=/usr/local/apr --with-apr-util=/usr/local/apr-util
[[email protected] httpd-2.4.6]#make
[[email protected] httpd-2.4.6]#make install
Step 5：启动Apache服务
[[email protected] httpd-2.4.6]# /usr/local/apache/bin/apachectl start
用浏览器访问http://localhost时提示It works!
Apache安装问题锦集
问题1：缺少包gcc-c++导致安装包apr-util不通过
[[email protected] kerry]# unzip pcre-8.33.zip
[[email protected] kerry]# cd pcre-8.33
[[email protected] pcre-8.33]# ./configure --prefix=/usr/local/apr-util -with-apr=/usr/local/apr/bin/apr-1-config
一般出现这个错误是因为没有安装包gcc-c++,可以通过如下命令检查，
[[email protected] pcre-8.33]# yum list gcc-c++
Loaded plugins: product-id, security, subscription-manager
Updating Red Hat repositories.
Available Packages
gcc-c++.x86_64 4.1.2-51.el5 rhel-debuginfo
[[email protected] pcre-8.33]# yum list gcc
Loaded plugins: product-id, security, subscription-manager
Updating Red Hat repositories.
Installed Packages
gcc.x86_64 4.1.2-51.el5 installed
[[email protected] pcre-8.33]# rpm -q gcc
gcc-4.1.2-51.el5
[[email protected] pcre-8.33]# rpm -q gcc-c++
问题2：checking for APR-util... configure: error: the --with-apr-util parameter is incorrect
[[email protected] httpd-2.4.6]# ./configure --prefix=/usr/local/apache --with-apr=/usr/local/apr --with-apr-util=/usr/local/apr-util
checking for chosen layout... Apache
checking for working mkdir -p... yes
checking for grep that handles long lines and -e... /bin/grep
checking for egrep... /bin/grep -E
checking build system type... x86_64-unknown-linux-gnu
checking host system type... x86_64-unknown-linux-gnu
checking target system type... x86_64-unknown-linux-gnu
configure:
configure: Configuring Apache Portable Runtime library...
configure:
checking for APR... yes
setting CC to "gcc"
setting CPP to "gcc -E"
setting CFLAGS to " -g -O2 -pthread"
setting CPPFLAGS to " -DLINUX -D_REENTRANT -D_GNU_SOURCE"
setting LDFLAGS to " "
configure:
configure: Configuring Apache Portable Runtime Utility library...
configure:
checking for APR-util... configure: error: the --with-apr-util parameter is incorrect. It must specify an install prefix, a build directory, or an apu-config file.
[[email protected] httpd-2.4.6]#
一般是由于APR-util没有安装成功，可以通过验证该目录是否为空来判断，因为你有时候执行了make，忘了执行make isntall命令有可能导致这个错误。
[[email protected] apr]# cd /usr/local/apr-util
[[email protected] apr-util]# ls
问题3：没有指定PCRE参数
[[email protected] httpd-2.4.6]# ./configure --prefix=/usr/local/apache --with-apr=/usr/local/apr --with-apr-util=/usr/local/apr-util
checking for chosen layout... Apache
checking for working mkdir -p... yes
checking for grep that handles long lines and -e... /bin/grep
checking for egrep... /bin/grep -E
checking build system type... x86_64-unknown-linux-gnu
checking host system type... x86_64-unknown-linux-gnu
checking target system type... x86_64-unknown-linux-gnu
configure:
configure: Configuring Apache Portable Runtime library...
configure:
checking for APR... yes
setting CC to "gcc"
setting CPP to "gcc -E"
setting CFLAGS to " -g -O2 -pthread"
setting CPPFLAGS to " -DLINUX -D_REENTRANT -D_GNU_SOURCE"
setting LDFLAGS to " "
configure:
configure: Configuring Apache Portable Runtime Utility library...
configure:
checking for APR-util... yes
checking for gcc... gcc
checking whether the C compiler works... yes
checking for C compiler default output file name... a.out
checking for suffix of executables...
checking whether we are cross compiling... no
checking for suffix of object files... o
checking whether we are using the GNU C compiler... yes
checking whether gcc accepts -g... yes
checking for gcc option to accept ISO C89... none needed
checking how to run the C preprocessor... gcc -E
checking for gcc option to accept ISO C99... -std=gnu99
checking for pcre-config... false
configure: error: pcre-config for libpcre not found. PCRE is required and available from http://pcre.org/
[[email protected] httpd-2.4.6]#
问题4：安装前忘了先安装APR相关包
[[email protected] httpd-2.4.6]# ./configure --prefix=/usr/local/appache/
checking for chosen layout... Apache
checking for working mkdir -p... yes
checking for grep that handles long lines and -e... /bin/grep
checking for egrep... /bin/grep -E
checking build system type... x86_64-unknown-linux-gnu
checking host system type... x86_64-unknown-linux-gnu
checking target system type... x86_64-unknown-linux-gnu
configure:
configure: Configuring Apache Portable Runtime library...
configure:
checking for APR... no
configure: error: APR not found. Please read the documentation.
[[email protected] httpd-2.4.6]#
问题5：启动服务时报错
[[email protected] httpd-2.4.6]# /usr/local/apache/bin/apachectl start
AH00558: httpd: Could not reliably determine the server's fully qualified domain name, using getlnx05.gfg1.esquel.com. Set the 'ServerName' directive globally to suppress this message
这个时候需要编辑httpd.conf配置文件，添加SeraverName的具体IP地址。如下所示
[[email protected] conf]# cd /usr/local/apache/conf/
[[email protected] conf]# ls
extra httpd.conf magic mime.types original
[[email protected] conf]# vi httpd.conf
ServerAdmin [email protected]
#
# ServerName gives the name and port that the server uses to identify itself.
# This can often be determined automatically, but we recommend you specify
# it explicitly to prevent problems during startup.
#
# If your host doesn't have a registered DNS name, enter its IP address here.
#
#ServerName www.example.com:80
ServerName 192.168.9.122:80
#
# Deny access to the entirety of your server's filesystem. You must
# explicitly permit access to web content directories in other
# <Directory> blocks below.
#
"httpd.conf" 502L, 18179C written
[[email protected] conf]# /usr/local/apache/bin/apachectl restart
httpd not running, trying to start
[[email protected] conf]# /usr/local/apache/bin/apachectl start
httpd (pid 7797) already running
如果从其它电脑连接访问Apache时，输入url地址：http://192.168.9.122页面没有显示正常，而上面配置也OK，那么你必须关闭防火墙，有时候甚至需要重启电脑才能OK,重启Apache服务都无效。
[[email protected] conf]# chkconfig iptables off
[[email protected] conf]# chkconfig iptables off
[[email protected] conf]# /usr/local/apache/bin/apachectl restart
[[email protected] conf]# /usr/local/apache/bin/apachectl restart
[[email protected] conf]#
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