Install Multiple PHP Versions on RHEL 8 - CentLinux

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Saturday, 20 March 2021

Install Multiple PHP Versions on RHEL 8

Install Multiple PHP Versions on RHEL 8

This article will show you how to install multiple versions of PHP on Red Hat Enterprise Linux (RHEL) 8.

 

Table of Contents:

     

    Problem Definition:

    It is a very common scenario for web hosting companies to host websites of different PHP versions. To implement it, they use different Apache handlers, according to their requirements. The two most commonly used implementations are DSO and PHP-FPM.

    Although tradional DSO (mod_php) handler is simple to implement and the fastest way to run PHP web applications, but it has its own pros and cons like DSO was not built to run multiple PHP versions.

    FPM (FastCGI Process Manager) is an alternative PHP FastCGI implementation with some additional features (mostly) useful for heavy-loaded sites. Using this handler, the system will run PHP scripts as the user that owns the domain/subdomain. Each FPM pool can have independent settings.

    In this guide, you will see how to implement two versions of PHP on a single Apache web servers by using PHP-FPM and mod_fcgid handler. For a quick reference, you can buy following short book, it is very comprehensive and to the point and will guide you about the implementation of Apache and PHP-FPM.

     

    Environment Specification:

    We are using a minimal RHEL 8 virtual machine with following specifications.

    • CPU - 3.4 Ghz (2 cores)
    • Memory - 2 GB
    • Storage - 60 GB
    • Operating System - RHEL 8.3
    • Hostname – apache-01.centlinux.com
    • IP Address - 192.168.116.206 /24

     

    Installing Third Party Yum Repositories:

    Connect with apache-01.centlinux.com as root user by using a ssh client.

    Install EPEL (Extra Packages for Enterprise Linux) yum repository by using following command.

    [root@apache-01 ~]# dnf install -y https://dl.fedoraproject.org/pub/epel/epel-release-latest-8.noarch.rpm Updating Subscription Management repositories. Last metadata expiration check: 0:13:17 ago on Sun 14 Mar 2021 10:54:57 AM EDT. epel-release-latest-8.noarch.rpm 7.3 kB/s | 22 kB 00:03 Dependencies resolved. ================================================================================ Package Architecture Version Repository Size ================================================================================ Installing: epel-release noarch 8-10.el8 @commandline 22 k Transaction Summary ================================================================================ Install 1 Package Total size: 22 k Installed size: 32 k Downloading Packages: Running transaction check Transaction check succeeded. Running transaction test Transaction test succeeded. Running transaction Preparing : 1/1 Installing : epel-release-8-10.el8.noarch 1/1 Running scriptlet: epel-release-8-10.el8.noarch 1/1 Verifying : epel-release-8-10.el8.noarch 1/1 Installed products updated. Installed: epel-release-8-10.el8.noarch Complete!

    Here, we need to install PHP 5.6 and PHP 7.4. Both of these versions are available in Remi Yum repository. Therefore, we are installing Remi yum repository on our RHEL 8 server by using dnf command.

    [root@apache-01 ~]# dnf install -y https://rpms.remirepo.net/enterprise/remi-release-8.rpm Updating Subscription Management repositories. Extra Packages for Enterprise Linux Modular 8 - 113 kB/s | 556 kB 00:04 Extra Packages for Enterprise Linux 8 - x86_64 80 kB/s | 8.9 MB 01:53 Last metadata expiration check: 0:00:02 ago on Sun 14 Mar 2021 11:11:46 AM EDT. remi-release-8.rpm 11 kB/s | 25 kB 00:02 Dependencies resolved. ================================================================================ Package Architecture Version Repository Size ================================================================================ Installing: remi-release noarch 8.3-1.el8.remi @commandline 25 k Transaction Summary ================================================================================ Install 1 Package Total size: 25 k Installed size: 20 k Downloading Packages: Running transaction check Transaction check succeeded. Running transaction test Transaction test succeeded. Running transaction Preparing : 1/1 Installing : remi-release-8.3-1.el8.remi.noarch 1/1 Verifying : remi-release-8.3-1.el8.remi.noarch 1/1 Installed products updated. Installed: remi-release-8.3-1.el8.remi.noarch Complete!

    Build yum cache for newly installed yum repositories.

    [root@apache-01 ~]# dnf makecache Updating Subscription Management repositories. Extra Packages for Enterprise Linux Modular 8 - 2.2 kB/s | 9.5 kB 00:04 Extra Packages for Enterprise Linux 8 - x86_64 1.9 kB/s | 6.0 kB 00:03 Red Hat Enterprise Linux 8 for x86_64 - BaseOS 1.4 kB/s | 4.1 kB 00:02 Red Hat Enterprise Linux 8 for x86_64 - AppStre 2.1 kB/s | 4.5 kB 00:02 Remi's Modular repository for Enterprise Linux 26 kB/s | 740 kB 00:27 Safe Remi's RPM repository for Enterprise Linux 213 kB/s | 1.7 MB 00:07 Metadata cache created.

     

    Install Apache Web Server on RHEL 8:

    In Red Hat based Linux distributions, Apache web server is provided with httpd software package. Therefore, you are required to install it to enable web services.

    [root@apache-01 ~]# dnf install -y httpd Updating Subscription Management repositories. Last metadata expiration check: 0:01:13 ago on Sun 14 Mar 2021 11:17:18 AM EDT. Dependencies resolved. ================================================================================ Package Arch Version Repository Size ================================================================================ Installing: httpd x86_64 2.4.37-30.module+el8.3.0+7001+0766b9e7 rhel-8-for-x86_64-appstream-rpms 1.4 M Installing dependencies: apr x86_64 1.6.3-11.el8 rhel-8-for-x86_64-appstream-rpms 125 k apr-util x86_64 1.6.1-6.el8 rhel-8-for-x86_64-appstream-rpms 105 k httpd-filesystem noarch 2.4.37-30.module+el8.3.0+7001+0766b9e7 rhel-8-for-x86_64-appstream-rpms 37 k httpd-tools x86_64 2.4.37-30.module+el8.3.0+7001+0766b9e7 rhel-8-for-x86_64-appstream-rpms 104 k mailcap noarch 2.1.48-3.el8 rhel-8-for-x86_64-baseos-rpms 39 k mod_http2 x86_64 1.15.7-2.module+el8.3.0+7670+8bf57d29 rhel-8-for-x86_64-appstream-rpms 154 k redhat-logos-httpd noarch 81.1-1.el8 rhel-8-for-x86_64-baseos-rpms 26 k Installing weak dependencies: apr-util-bdb x86_64 1.6.1-6.el8 rhel-8-for-x86_64-appstream-rpms 25 k apr-util-openssl x86_64 1.6.1-6.el8 rhel-8-for-x86_64-appstream-rpms 27 k Enabling module streams: httpd 2.4 Transaction Summary ================================================================================ Install 10 Packages Total download size: 2.0 M Installed size: 5.4 M Downloading Packages: (1/10): redhat-logos-httpd-81.1-1.el8.noarch.rp 8.5 kB/s | 26 kB 00:03 (2/10): apr-util-bdb-1.6.1-6.el8.x86_64.rpm 17 kB/s | 25 kB 00:01 (3/10): apr-util-openssl-1.6.1-6.el8.x86_64.rpm 5.3 kB/s | 27 kB 00:05 (4/10): mailcap-2.1.48-3.el8.noarch.rpm 7.5 kB/s | 39 kB 00:05 (5/10): apr-util-1.6.1-6.el8.x86_64.rpm 44 kB/s | 105 kB 00:02 (6/10): httpd-filesystem-2.4.37-30.module+el8.3 17 kB/s | 37 kB 00:02 (7/10): httpd-tools-2.4.37-30.module+el8.3.0+70 27 kB/s | 104 kB 00:03 (8/10): mod_http2-1.15.7-2.module+el8.3.0+7670+ 35 kB/s | 154 kB 00:04 (9/10): apr-1.6.3-11.el8.x86_64.rpm 39 kB/s | 125 kB 00:03 (10/10): httpd-2.4.37-30.module+el8.3.0+7001+07 78 kB/s | 1.4 MB 00:18 -------------------------------------------------------------------------------- Total 89 kB/s | 2.0 MB 00:23 Running transaction check Transaction check succeeded. Running transaction test Transaction test succeeded. Running transaction Preparing : 1/1 Installing : apr-1.6.3-11.el8.x86_64 1/10 Running scriptlet: apr-1.6.3-11.el8.x86_64 1/10 Installing : apr-util-bdb-1.6.1-6.el8.x86_64 2/10 Installing : apr-util-1.6.1-6.el8.x86_64 3/10 Running scriptlet: apr-util-1.6.1-6.el8.x86_64 3/10 Installing : apr-util-openssl-1.6.1-6.el8.x86_64 4/10 Installing : httpd-tools-2.4.37-30.module+el8.3.0+7001+0766b9e7 5/10 Running scriptlet: httpd-filesystem-2.4.37-30.module+el8.3.0+7001+076 6/10 Installing : httpd-filesystem-2.4.37-30.module+el8.3.0+7001+076 6/10 Installing : redhat-logos-httpd-81.1-1.el8.noarch 7/10 Installing : mailcap-2.1.48-3.el8.noarch 8/10 Installing : mod_http2-1.15.7-2.module+el8.3.0+7670+8bf57d29.x8 9/10 Installing : httpd-2.4.37-30.module+el8.3.0+7001+0766b9e7.x86_6 10/10 Running scriptlet: httpd-2.4.37-30.module+el8.3.0+7001+0766b9e7.x86_6 10/10 Verifying : mailcap-2.1.48-3.el8.noarch 1/10 Verifying : redhat-logos-httpd-81.1-1.el8.noarch 2/10 Verifying : apr-util-openssl-1.6.1-6.el8.x86_64 3/10 Verifying : apr-util-bdb-1.6.1-6.el8.x86_64 4/10 Verifying : apr-util-1.6.1-6.el8.x86_64 5/10 Verifying : httpd-2.4.37-30.module+el8.3.0+7001+0766b9e7.x86_6 6/10 Verifying : httpd-filesystem-2.4.37-30.module+el8.3.0+7001+076 7/10 Verifying : mod_http2-1.15.7-2.module+el8.3.0+7670+8bf57d29.x8 8/10 Verifying : httpd-tools-2.4.37-30.module+el8.3.0+7001+0766b9e7 9/10 Verifying : apr-1.6.3-11.el8.x86_64 10/10 Installed products updated. Installed: apr-1.6.3-11.el8.x86_64 apr-util-1.6.1-6.el8.x86_64 apr-util-bdb-1.6.1-6.el8.x86_64 apr-util-openssl-1.6.1-6.el8.x86_64 httpd-2.4.37-30.module+el8.3.0+7001+0766b9e7.x86_64 httpd-filesystem-2.4.37-30.module+el8.3.0+7001+0766b9e7.noarch httpd-tools-2.4.37-30.module+el8.3.0+7001+0766b9e7.x86_64 mailcap-2.1.48-3.el8.noarch mod_http2-1.15.7-2.module+el8.3.0+7670+8bf57d29.x86_64 redhat-logos-httpd-81.1-1.el8.noarch Complete!

     

    Install Multiple PHP Versions on RHEL 8:

    You can easily install different versions of PHP from Remi yum repository. We are installing PHP 5.6, the oldest available version right now.

    [root@apache-01 ~]# dnf install -y php56 php56-php-fpm Updating Subscription Management repositories. Last metadata expiration check: 0:17:47 ago on Sun 14 Mar 2021 11:17:18 AM EDT. Dependencies resolved. ================================================================================ Package Arch Version Repository Size ================================================================================ Installing: php56 x86_64 3.0-1.el8.remi remi-safe 8.2 k php56-php-fpm x86_64 5.6.40-25.el8.remi remi-safe 1.4 M Installing dependencies: checkpolicy x86_64 2.9-1.el8 rhel-8-for-x86_64-baseos-rpms 346 k environment-modules x86_64 4.5.2-1.el8 rhel-8-for-x86_64-baseos-rpms 421 k php56-libzip x86_64 1.7.3-2.el8.remi remi-safe 66 k php56-php-cli x86_64 5.6.40-25.el8.remi remi-safe 2.7 M php56-php-common x86_64 5.6.40-25.el8.remi remi-safe 711 k php56-php-pear noarch 1:1.10.12-5.el8.remi remi-safe 366 k php56-php-pecl-jsonc x86_64 1.3.10-3.el8.remi remi-safe 51 k php56-php-pecl-zip x86_64 1.19.2-1.el8.remi remi-safe 55 k php56-php-process x86_64 5.6.40-25.el8.remi remi-safe 74 k php56-php-xml x86_64 5.6.40-25.el8.remi remi-safe 179 k php56-runtime x86_64 3.0-1.el8.remi remi-safe 1.1 M policycoreutils-python-utils noarch 2.9-9.el8 rhel-8-for-x86_64-baseos-rpms 251 k python3-audit x86_64 3.0-0.17.20191104git1c2f876.el8 rhel-8-for-x86_64-baseos-rpms 86 k python3-libsemanage x86_64 2.9-3.el8 rhel-8-for-x86_64-baseos-rpms 127 k python3-policycoreutils noarch 2.9-9.el8 rhel-8-for-x86_64-baseos-rpms 2.2 M python3-setools x86_64 4.3.0-2.el8 rhel-8-for-x86_64-baseos-rpms 626 k scl-utils x86_64 1:2.0.2-12.el8 rhel-8-for-x86_64-appstream-rpms 47 k tcl x86_64 1:8.6.8-2.el8 rhel-8-for-x86_64-baseos-rpms 1.1 M Transaction Summary ================================================================================ Install 20 Packages Total download size: 12 M Installed size: 37 M Downloading Packages: (1/20): checkpolicy-2.9-1.el8.x86_64.rpm 25 kB/s | 346 kB 00:14 (2/20): policycoreutils-python-utils-2.9-9.el8. 57 kB/s | 251 kB 00:04 (3/20): python3-audit-3.0-0.17.20191104git1c2f8 56 kB/s | 86 kB 00:01 (4/20): tcl-8.6.8-2.el8.x86_64.rpm 45 kB/s | 1.1 MB 00:25 (5/20): environment-modules-4.5.2-1.el8.x86_64. 79 kB/s | 421 kB 00:05 (6/20): python3-libsemanage-2.9-3.el8.x86_64.rp 40 kB/s | 127 kB 00:03 (7/20): scl-utils-2.0.2-12.el8.x86_64.rpm 30 kB/s | 47 kB 00:01 (8/20): php56-3.0-1.el8.remi.x86_64.rpm 4.5 kB/s | 8.2 kB 00:01 (9/20): python3-setools-4.3.0-2.el8.x86_64.rpm 91 kB/s | 626 kB 00:06 (10/20): php56-libzip-1.7.3-2.el8.remi.x86_64.r 26 kB/s | 66 kB 00:02 (11/20): python3-policycoreutils-2.9-9.el8.noar 67 kB/s | 2.2 MB 00:34 (12/20): php56-php-common-5.6.40-25.el8.remi.x8 68 kB/s | 711 kB 00:10 (13/20): php56-php-pear-1.10.12-5.el8.remi.noar 51 kB/s | 366 kB 00:07 (14/20): php56-php-pecl-jsonc-1.3.10-3.el8.remi 39 kB/s | 51 kB 00:01 (15/20): php56-php-pecl-zip-1.19.2-1.el8.remi.x 29 kB/s | 55 kB 00:01 (16/20): php56-php-process-5.6.40-25.el8.remi.x 37 kB/s | 74 kB 00:02 (17/20): php56-php-xml-5.6.40-25.el8.remi.x86_6 60 kB/s | 179 kB 00:02 (18/20): php56-php-fpm-5.6.40-25.el8.remi.x86_6 38 kB/s | 1.4 MB 00:38 (19/20): php56-php-cli-5.6.40-25.el8.remi.x86_6 53 kB/s | 2.7 MB 00:52 (20/20): php56-runtime-3.0-1.el8.remi.x86_64.rp 42 kB/s | 1.1 MB 00:28 -------------------------------------------------------------------------------- Total 131 kB/s | 12 MB 01:33 warning: /var/cache/dnf/remi-safe-ff04689114f71b24/packages/php56-3.0-1.el8.remi.x86_64.rpm: Header V4 RSA/SHA256 Signature, key ID 5f11735a: NOKEY Safe Remi's RPM repository for Enterprise Linux 3.0 MB/s | 3.1 kB 00:00 Importing GPG key 0x5F11735A: Userid : "Remi's RPM repository <remi@remirepo.net>" Fingerprint: 6B38 FEA7 231F 87F5 2B9C A9D8 5550 9759 5F11 735A From : /etc/pki/rpm-gpg/RPM-GPG-KEY-remi.el8 Key imported successfully Running transaction check Transaction check succeeded. Running transaction test Transaction test succeeded. Running transaction Preparing : 1/1 Installing : python3-setools-4.3.0-2.el8.x86_64 1/20 Installing : python3-libsemanage-2.9-3.el8.x86_64 2/20 Installing : python3-audit-3.0-0.17.20191104git1c2f876.el8.x86_ 3/20 Installing : checkpolicy-2.9-1.el8.x86_64 4/20 Installing : python3-policycoreutils-2.9-9.el8.noarch 5/20 Installing : policycoreutils-python-utils-2.9-9.el8.noarch 6/20 Installing : tcl-1:8.6.8-2.el8.x86_64 7/20 Running scriptlet: tcl-1:8.6.8-2.el8.x86_64 7/20 Installing : environment-modules-4.5.2-1.el8.x86_64 8/20 Running scriptlet: environment-modules-4.5.2-1.el8.x86_64 8/20 Installing : scl-utils-1:2.0.2-12.el8.x86_64 9/20 Installing : php56-runtime-3.0-1.el8.remi.x86_64 10/20 Running scriptlet: php56-runtime-3.0-1.el8.remi.x86_64 10/20 Installing : php56-libzip-1.7.3-2.el8.remi.x86_64 11/20 Installing : php56-php-pecl-jsonc-1.3.10-3.el8.remi.x86_64 12/20 Installing : php56-php-common-5.6.40-25.el8.remi.x86_64 13/20 Installing : php56-php-pecl-zip-1.19.2-1.el8.remi.x86_64 14/20 Installing : php56-php-cli-5.6.40-25.el8.remi.x86_64 15/20 Installing : php56-php-process-5.6.40-25.el8.remi.x86_64 16/20 Installing : php56-php-xml-5.6.40-25.el8.remi.x86_64 17/20 Installing : php56-php-pear-1:1.10.12-5.el8.remi.noarch 18/20 Running scriptlet: php56-php-pear-1:1.10.12-5.el8.remi.noarch 18/20 Installing : php56-3.0-1.el8.remi.x86_64 19/20 Installing : php56-php-fpm-5.6.40-25.el8.remi.x86_64 20/20 Running scriptlet: php56-php-fpm-5.6.40-25.el8.remi.x86_64 20/20 Running scriptlet: php56-php-pecl-jsonc-1.3.10-3.el8.remi.x86_64 20/20 Running scriptlet: php56-php-common-5.6.40-25.el8.remi.x86_64 20/20 ===================================================================== WARNING : PHP 5.6 have reached its "End of Life" in January 2019. Even, if this package includes some of the important security fix, backported from 7.3, the UPGRADE to a maintained version is very strongly RECOMMENDED. ===================================================================== Running scriptlet: php56-php-fpm-5.6.40-25.el8.remi.x86_64 20/20 Running scriptlet: php56-php-pear-1:1.10.12-5.el8.remi.noarch 20/20 Running scriptlet: php56-php-fpm-5.6.40-25.el8.remi.x86_64 20/20 Verifying : tcl-1:8.6.8-2.el8.x86_64 1/20 Verifying : checkpolicy-2.9-1.el8.x86_64 2/20 Verifying : python3-policycoreutils-2.9-9.el8.noarch 3/20 Verifying : policycoreutils-python-utils-2.9-9.el8.noarch 4/20 Verifying : python3-audit-3.0-0.17.20191104git1c2f876.el8.x86_ 5/20 Verifying : environment-modules-4.5.2-1.el8.x86_64 6/20 Verifying : python3-libsemanage-2.9-3.el8.x86_64 7/20 Verifying : python3-setools-4.3.0-2.el8.x86_64 8/20 Verifying : scl-utils-1:2.0.2-12.el8.x86_64 9/20 Verifying : php56-3.0-1.el8.remi.x86_64 10/20 Verifying : php56-libzip-1.7.3-2.el8.remi.x86_64 11/20 Verifying : php56-php-cli-5.6.40-25.el8.remi.x86_64 12/20 Verifying : php56-php-common-5.6.40-25.el8.remi.x86_64 13/20 Verifying : php56-php-fpm-5.6.40-25.el8.remi.x86_64 14/20 Verifying : php56-php-pear-1:1.10.12-5.el8.remi.noarch 15/20 Verifying : php56-php-pecl-jsonc-1.3.10-3.el8.remi.x86_64 16/20 Verifying : php56-php-pecl-zip-1.19.2-1.el8.remi.x86_64 17/20 Verifying : php56-php-process-5.6.40-25.el8.remi.x86_64 18/20 Verifying : php56-php-xml-5.6.40-25.el8.remi.x86_64 19/20 Verifying : php56-runtime-3.0-1.el8.remi.x86_64 20/20 Installed products updated. Installed: checkpolicy-2.9-1.el8.x86_64 environment-modules-4.5.2-1.el8.x86_64 php56-3.0-1.el8.remi.x86_64 php56-libzip-1.7.3-2.el8.remi.x86_64 php56-php-cli-5.6.40-25.el8.remi.x86_64 php56-php-common-5.6.40-25.el8.remi.x86_64 php56-php-fpm-5.6.40-25.el8.remi.x86_64 php56-php-pear-1:1.10.12-5.el8.remi.noarch php56-php-pecl-jsonc-1.3.10-3.el8.remi.x86_64 php56-php-pecl-zip-1.19.2-1.el8.remi.x86_64 php56-php-process-5.6.40-25.el8.remi.x86_64 php56-php-xml-5.6.40-25.el8.remi.x86_64 php56-runtime-3.0-1.el8.remi.x86_64 policycoreutils-python-utils-2.9-9.el8.noarch python3-audit-3.0-0.17.20191104git1c2f876.el8.x86_64 python3-libsemanage-2.9-3.el8.x86_64 python3-policycoreutils-2.9-9.el8.noarch python3-setools-4.3.0-2.el8.x86_64 scl-utils-1:2.0.2-12.el8.x86_64 tcl-1:8.6.8-2.el8.x86_64 Complete!

    We are also installing the PHP 7.4, the latest available version right now.

    [root@apache-01 ~]# dnf install -y php74 php74-php-fpm Updating Subscription Management repositories. Last metadata expiration check: 0:22:17 ago on Sun 14 Mar 2021 11:17:18 AM EDT. Dependencies resolved. ================================================================================ Package Arch Version Repository Size ================================================================================ Installing: php74 x86_64 1.0-3.el8.remi remi-safe 6.8 k php74-php-fpm x86_64 7.4.16-1.el8.remi remi-safe 1.6 M Installing dependencies: php74-php-cli x86_64 7.4.16-1.el8.remi remi-safe 3.1 M php74-php-common x86_64 7.4.16-1.el8.remi remi-safe 704 k php74-php-json x86_64 7.4.16-1.el8.remi remi-safe 80 k php74-runtime x86_64 1.0-3.el8.remi remi-safe 1.1 M Transaction Summary ================================================================================ Install 6 Packages Total download size: 6.6 M Installed size: 25 M Downloading Packages: (1/6): php74-1.0-3.el8.remi.x86_64.rpm 6.9 kB/s | 6.8 kB 00:00 (2/6): php74-php-common-7.4.16-1.el8.remi.x86_6 45 kB/s | 704 kB 00:15 (3/6): php74-php-json-7.4.16-1.el8.remi.x86_64. 48 kB/s | 80 kB 00:01 (4/6): php74-php-fpm-7.4.16-1.el8.remi.x86_64.r 45 kB/s | 1.6 MB 00:36 (5/6): php74-runtime-1.0-3.el8.remi.x86_64.rpm 46 kB/s | 1.1 MB 00:25 (6/6): php74-php-cli-7.4.16-1.el8.remi.x86_64.r 41 kB/s | 3.1 MB 01:16 -------------------------------------------------------------------------------- Total 88 kB/s | 6.6 MB 01:17 Running transaction check Transaction check succeeded. Running transaction test Transaction test succeeded. Running transaction Preparing : 1/1 Installing : php74-runtime-1.0-3.el8.remi.x86_64 1/6 Running scriptlet: php74-runtime-1.0-3.el8.remi.x86_64 1/6 Installing : php74-php-json-7.4.16-1.el8.remi.x86_64 2/6 Installing : php74-php-common-7.4.16-1.el8.remi.x86_64 3/6 Installing : php74-php-cli-7.4.16-1.el8.remi.x86_64 4/6 Installing : php74-1.0-3.el8.remi.x86_64 5/6 Installing : php74-php-fpm-7.4.16-1.el8.remi.x86_64 6/6 Running scriptlet: php74-php-fpm-7.4.16-1.el8.remi.x86_64 6/6 Verifying : php74-1.0-3.el8.remi.x86_64 1/6 Verifying : php74-php-cli-7.4.16-1.el8.remi.x86_64 2/6 Verifying : php74-php-common-7.4.16-1.el8.remi.x86_64 3/6 Verifying : php74-php-fpm-7.4.16-1.el8.remi.x86_64 4/6 Verifying : php74-php-json-7.4.16-1.el8.remi.x86_64 5/6 Verifying : php74-runtime-1.0-3.el8.remi.x86_64 6/6 Installed products updated. Installed: php74-1.0-3.el8.remi.x86_64 php74-php-cli-7.4.16-1.el8.remi.x86_64 php74-php-common-7.4.16-1.el8.remi.x86_64 php74-php-fpm-7.4.16-1.el8.remi.x86_64 php74-php-json-7.4.16-1.el8.remi.x86_64 php74-runtime-1.0-3.el8.remi.x86_64 Complete!

    You are required to create script wrappers, to call the required version of PHP based on user request.

    Execute following commands to create PHP script wrappers.

    [root@apache-01 ~]# cat > /var/www/cgi-bin/php56.fcgi << EOF > #!/bin/bash > exec /bin/php56-cgi > EOF [root@apache-01 ~]# cat > /var/www/cgi-bin/php74.fcgi << EOF > #!/bin/bash > exec /bin/php74-cgi > EOF

    Add execution permissions on these script files.

    [root@apache-01 ~]# chmod 755 /var/www/cgi-bin/php*

    Now add Apache virtual host configurations to run PHP versions websites on different ports. You can also run Virtual Hosts on different Domain names, if you have configured a authoritative DNS server for your network.

    Create a configuration for PHP 5.6 based virtual host.

    [root@apache-01 ~]# vi /etc/httpd/conf.d/php56.conf

    Add following directives in this file.

    Listen 8056 <VirtualHost *:8056> ServerAdmin root@localhost.com ServerName 56.test DocumentRoot /var/www/html DirectoryIndex index.php index.html <FilesMatch "\.php$"> <If "-f %{REQUEST_FILENAME}"> SetHandler "proxy:unix:/var/opt/remi/php56/run/php-fpm/www.sock|fcgi://localhost" </If> </FilesMatch> ScriptAlias /cgi-bin/ "/var/www/cgi-bin/" AddHandler php56-fcgi .php Action php56-fcgi /cgi-bin/php56.fcgi <Directory "/var/www/html"> AllowOverride All </Directory> </VirtualHost>

    Similarly, Add configurations for PHP 7.4 base virtual host.

    [root@apache-01 ~]# vi /etc/httpd/conf.d/php74.conf

    Add following directives therein.

    Listen 8074 <VirtualHost *:8074> ServerAdmin root@localhost.com ServerName 74.test DocumentRoot /var/www/html DirectoryIndex index.php index.html <FilesMatch "\.php$"> <If "-f %{REQUEST_FILENAME}"> SetHandler "proxy:unix:/var/opt/remi/php74/run/php-fpm/www.sock|fcgi://localhost" </If> </FilesMatch> ScriptAlias /cgi-bin/ "/var/www/cgi-bin/" AddHandler php74-fcgi .php Action php74-fcgi /cgi-bin/php74.fcgi <Directory "/var/www/html"> AllowOverride All </Directory> </VirtualHost>

    Create a default index for your website.

    [root@apache-01 ~]# vi /var/www/html/index.php

    And add following PHP code in this file.

    <?php phpinfo(); ?>

    Add both virtual host ports to SELinux http_port_t port type. So, the Apache web server can start service on these ports.

    [root@apache-01 ~]# semanage port -a -t http_port_t -p tcp 8056 [root@apache-01 ~]# semanage port -a -t http_port_t -p tcp 8074

    Allow these service ports in Linux firewall.

    [root@apache-01 ~]# firewall-cmd --permanent --add-port={8056,8074}/tcp success [root@apache-01 ~]# firewall-cmd --reload success

    Enable and start the Apache and PHP-FPM services.

    [root@apache-01 ~]# systemctl enable --now httpd.service php56-php-fpm.service php74-php-fpm.service Created symlink /etc/systemd/system/multi-user.target.wants/httpd.service â /usr/lib/systemd/system/httpd.service. Created symlink /etc/systemd/system/multi-user.target.wants/php56-php-fpm.service â /usr/lib/systemd/system/php56-php-fpm.service. Created symlink /etc/systemd/system/multi-user.target.wants/php74-php-fpm.service â /usr/lib/systemd/system/php74-php-fpm.service.

    Open URL http://apache-01.centlinux.com:8056 in a web browser.

    01-install-multiple-php-versions-on-rhel-8-phpinfo-5.6

    Open URL http://apache-01.centlinux.com:8074 in a web browser.

    02-install-multiple-php-versions-on-rhel-8-phpinfo-7.4

     

    Conclusion:

    In this article, you have learned how to install Multiple PHP versions on Red Hat Enterprise Linux (RHEL) 8. If you found this article too advanced, then you should buy and read Linux Command Line and Shell Scripting Bible by Richard Blum.

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