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b>4. How to install and configure from RPM package
In many Linux distributions, apache, php3 and MySQL are bundled. Since MySQL itself is distributed in RPM format, its installation has been introduced above, and only the following is Introduce the installation and configuration of apache and php. This article is based on RedHat Linux 6.1. The designers of PHP do not recommend configuring php3 from RPM, but it will solve this problem in php4. Since it is troublesome to reconfigure and install PHP from RPM, the following method is for reference only.
1. The rpm file you need
In order to reconfigure and compile php, you should download the source code rpm of php3: php-3.0.12.6.src.rpm. This package can generate the following rpm:
php-3.0.12-6.i386.rpm php-manual-3.0.12-6.i386.rpm
php-imap-3.0.12-6.i386. rpm php-ldap-3.0.12-6.i386.rpm
php-pgsql-3.0.12-6.i386.rpm
Before installing the new rpm, you should first remove the existing php package:
rpm -e php-imap php-ldap php-pgsql php php-manual
Recompiling php requires the following packages:
apache apache-devel
postgresql postgresql-devel
MySQL-devel
2. Reconfigure, compile and install php3
Install the php3 source code package:
rpm -i php-3.0.12-6.src.rpm
It will install the php source code in /usr /src/redhat directory, enter the directory, and configure and compile according to the following commands:
cd /usr/src/redhat/SPECS
vi php.spec
Edit the php.spec file and find % In the build section, add:
with-mysql=/usr

option in the options section about ./configure, which indicates that php supports the MySQL database.
%build
cd imap-4.5
make RPM_OPT_FLAGS="$RPM_OPT_FLAGS" lnp
cd ..
autoconf
CFLAGS="-fPIC" ./configure --prefix=/ usr
with-apxs=/usr/sbin/apxs
with-config-file-path=/etc/httpd
enable-safe-mode
with-exec-dir=/usr/bin
with-system-regex
disable-debug
with-zlib
enable-debugger
enable-magic-quotes
with-mysql=/usr
enable-track- vars
Save the changes and rebuild the rpm package:
rpm -bb /usr/src/redhat/SPECS/php.spec
Finally, the corresponding file can be found in the /usr/src/redhat/RPMS/i386 directory Binary rpm packages, reinstall them:
rpm -i /usr/src/redhat/RPMS/i386/*
3. Configure httpd.conf and srm.conf
After installing php, you httpd should be configured to support php3 scripts. First edit /etc/httpd/conf/httpd.conf, find the following two lines, and remove the comment character # in front of them:
AddModule mod_php3.c
LoadModule php3_module modules/libphp3.so
Compiling/ etc/httpd/conf/srm.conf, remove the comment # in the following line:
AddType application/x-httpd-php3 .php3
In this way, httpd treats files ending with .php3 as php script files.
4. Test
You can use the above two examples for testing.
5. Summary
Although some Linux distributors such as RedHat bundle the above three software packages in their distribution, the rpm package of php does not initially support the MySQL database. In addition, the original usage of mod_php3 or mod_php is obsolete, and the new format is libphp3.so, so mod_php3 or mod_php is no longer included in the RedHat standard binary distribution.
If you want to always use the latest versions of these three software, the first two methods are most suitable.
The above only introduces the installation of these three software. You must configure the security settings of PHP and MySQL.

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