[CentOS] Changing command line version of php for apache

Sun Feb 14 18:52:09 UTC 2021
H <agents at meddatainc.com>

On 02/14/2021 12:51 PM, Kenneth Porter wrote:
> --On Saturday, February 13, 2021 9:59 PM -0500 H <agents at meddatainc.com> wrote:
>> But my question is also a more general one: short of ridding the system
>> of the old, default php 5 binary, how should I configure a user without a
>> shell such as apache to default to the newer php binary? As mentioned
>> previously, apache itself runs the new php just fine (except for the imap
>> issue above which could also be some other bug...).
> CentOS 7 runs apache from systemd. Apache finds programs using the path. So you need to customize the systemd unit file for Apache to run it from within  a script that first prefixes the path with the location of your custom PHP binary. Software Collections provides a script for this.
> See the systemd documentation for how to customize a unit file. You probably just need a "drop-in" in /etc/systemd/system that replaces the ExecStart value in httpd.service.
> Another approach is to run php-fpm for your custom PHP (package rh-php72-php-fpm) and have Apache connect to this via the SetHandler directive. Use SetHandler instead of ProxyPass because the latter doesn't play well with FilesMatch.
>        # send PHP requests to PHP 7.2 via php-fpm service
>        <FilesMatch \.php$>
>            SetHandler "proxy:fcgi://"
>        </FilesMatch>
> This will sandbox PHP into its own process.
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Thank you, I did not know that! I will take a look at this.

Apart from what you described above, is it in general possible to force a non-shell user to use a specific version of software when multiple versions are installed on a machine, be it php, python or something else?