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Question

How to enable latest PHP on my DO? (Ubuntu 18.04 / Apache / MySQL)

Posted March 22, 2021 500 views
Joomla

Hey,
please advise me, I installed PHP 7.4 via a terminal, but Joomla still reports that I have 7.2 and I don’t know where to “enable it”?
Many thanks for the advice :-)

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paulcolle
By:
paulcolle

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1 answer
bobbyiliev March 22, 2021

Hi there,

If you are using mod PHP, then you can do that with the following:

First disable PHP 7.2:

sudo a2dismod php7.2

Then enable PHP 7.4:

sudo a2enmod php7.4

Finally restart Apache.

Let me know how it goes!
Regards,
Bobby

Reply Report
  • paulcolle March 22, 2021

    Thx for quick answer. I did, but joomla admin and websites doesnt work (white screen with error). I also checked dir.conf and looks ok (if I have index.php). Dont know what else? Please, can you advice? Thank you

    Reply Report
    • bobbyiliev March 23, 2021

      Hi there,

      Did you get any errors when running the commands?

      I could suggest checking if the module is enabled with the following command:

      apachectl -M | grep php

      If the PHP module is not present you can install it with:

      sudo apt install libapache2-mod-php7.4 libapache2-mod-php

      Also I could suggest running a config test with the following command:

      sudo apachectl -t

      Regards,
      Bobby

      Reply Report
      • paulcolle March 23, 2021

        Hi Bobby,
        thank you, but no issues when I installed newer PHP. Then I did exactly that, what you wrote - but same problem (error) no changes. And now terminal show me this:

        root@GarantDesign:~# apachectl -M | grep php
        ** php**7_module (shared)
        root@GarantDesign:~#

        Unfortunately, I really dont know whats wrong… :-( Please, any idea?

        Reply Report
        • bobbyiliev March 23, 2021

          Hi there,

          Do you get any errors when running this command:

          sudo apachectl -t

          Also did you restart Apache after enabling the new module?

          Regards,
          Bobby

          Reply Report
          • paulcolle March 23, 2021

            Yes, of course. And: sudo apachectl -t (syntax OK)

            Reply Report
          • bobbyiliev March 23, 2021

            Hello,

            This is very interesting, can you run the following command and share the output here:

            sudo ls -l /etc/apache2/mods-enabled/

            This will list all of the enabled modules.

            Regards,
            Bobby

            Reply Report
          • paulcolle March 23, 2021 
            root@GarantDesign:~# sudo ls -l /etc/apache2/mods-enabled/
total 0
lrwxrwxrwx 1 root root 36 Jun 11  2019 access_compat.load -> ../mods-available/access_compat.load
lrwxrwxrwx 1 root root 28 Jun 11  2019 alias.conf -> ../mods-available/alias.conf
lrwxrwxrwx 1 root root 28 Jun 11  2019 alias.load -> ../mods-available/alias.load
lrwxrwxrwx 1 root root 33 Jun 11  2019 auth_basic.load -> ../mods-available/auth_basic.load
lrwxrwxrwx 1 root root 33 Jun 11  2019 authn_core.load -> ../mods-available/authn_core.load
lrwxrwxrwx 1 root root 33 Jun 11  2019 authn_file.load -> ../mods-available/authn_file.load
lrwxrwxrwx 1 root root 33 Jun 11  2019 authz_core.load -> ../mods-available/authz_core.load
lrwxrwxrwx 1 root root 33 Jun 11  2019 authz_host.load -> ../mods-available/authz_host.load
lrwxrwxrwx 1 root root 33 Jun 11  2019 authz_user.load -> ../mods-available/authz_user.load
lrwxrwxrwx 1 root root 32 Jun 11  2019 autoindex.conf -> ../mods-available/autoindex.conf
lrwxrwxrwx 1 root root 32 Jun 11  2019 autoindex.load -> ../mods-available/autoindex.load
lrwxrwxrwx 1 root root 30 Jun 11  2019 deflate.conf -> ../mods-available/deflate.conf
lrwxrwxrwx 1 root root 30 Jun 11  2019 deflate.load -> ../mods-available/deflate.load
lrwxrwxrwx 1 root root 26 Jun 11  2019 dir.conf -> ../mods-available/dir.conf
lrwxrwxrwx 1 root root 26 Jun 11  2019 dir.load -> ../mods-available/dir.load
lrwxrwxrwx 1 root root 26 Jun 11  2019 env.load -> ../mods-available/env.load
lrwxrwxrwx 1 root root 29 Jun 11  2019 filter.load -> ../mods-available/filter.load
lrwxrwxrwx 1 root root 30 Jul 15  2019 headers.load -> ../mods-available/headers.load
lrwxrwxrwx 1 root root 28 Jul 15  2019 http2.load -> ../mods-available/http2.load
lrwxrwxrwx 1 root root 27 Jun 11  2019 mime.conf -> ../mods-available/mime.conf
lrwxrwxrwx 1 root root 27 Jun 11  2019 mime.load -> ../mods-available/mime.load
lrwxrwxrwx 1 root root 34 Jun 11  2019 mpm_prefork.conf -> ../mods-available/mpm_prefork.conf
lrwxrwxrwx 1 root root 34 Jun 11  2019 mpm_prefork.load -> ../mods-available/mpm_prefork.load
lrwxrwxrwx 1 root root 34 Jun 11  2019 negotiation.conf -> ../mods-available/negotiation.conf
lrwxrwxrwx 1 root root 34 Jun 11  2019 negotiation.load -> ../mods-available/negotiation.load
lrwxrwxrwx 1 root root 29 Mar 23 12:47 php7.4.conf -> ../mods-available/php7.4.conf
lrwxrwxrwx 1 root root 29 Mar 23 12:47 php7.4.load -> ../mods-available/php7.4.load
lrwxrwxrwx 1 root root 33 Jun 11  2019 reqtimeout.conf -> ../mods-available/reqtimeout.conf
lrwxrwxrwx 1 root root 33 Jun 11  2019 reqtimeout.load -> ../mods-available/reqtimeout.load
lrwxrwxrwx 1 root root 30 Jun 11  2019 rewrite.load -> ../mods-available/rewrite.load
lrwxrwxrwx 1 root root 31 Jun 11  2019 setenvif.conf -> ../mods-available/setenvif.conf
lrwxrwxrwx 1 root root 31 Jun 11  2019 setenvif.load -> ../mods-available/setenvif.load
lrwxrwxrwx 1 root root 36 Jul 15  2019 socache_shmcb.load -> ../mods-available/socache_shmcb.load
lrwxrwxrwx 1 root root 26 Jul 15  2019 ssl.conf -> ../mods-available/ssl.conf
lrwxrwxrwx 1 root root 26 Jul 15  2019 ssl.load -> ../mods-available/ssl.load
lrwxrwxrwx 1 root root 29 Jun 11  2019 status.conf -> ../mods-available/status.conf
lrwxrwxrwx 1 root root 29 Jun 11  2019 status.load -> ../mods-available/status.load
root@GarantDesign:~#
            edited by bobbyiliev
            Reply Report
          • bobbyiliev March 23, 2021

            Hey,

            Thanks for that! It looks like that php7.4 is already enabled.

            What I could suggest is adding an info.php file and visiting it via your browser to make sure that it works:

            <?php

phpinfo();

?>

            Let me know how it goes!
            Regards,
            Bobby

            Reply Report
          • paulcolle March 25, 2021

            Hi Bobby,
            I have phpinfo.php (same code) and i tried via my browser (Safari / Chrome also) and same problem.... :-/. Websites still doesnt work a same white screen.... Bobby pls, whats wrong, I just did upgrade PHP… nothing more....

            Reply Report
          • bobbyiliev March 28, 2021

            Hello,

            Do you see any errors in your error log?

            tail -100 /var/log/apache2/error.log

            What is the exact output that you get when you visit the PHP info file?

            Do you see any errors in the web console of your browser?

            Regards,
            Bobby

            Reply Report

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