Starting on October 19, 2021, we will enable single-sign-on for our Plesk Support Center to provide a seamless login/account experience. This implies that you’ll be able to use a single account across any of our web-facing properties.
To be prepared for this change and to avoid the need to register during your next ticket submission after the change, we encourage you to create an account here before October 19 using the same email address as your current Zendesk login (support account). It’s essential that you use the same email address on our support center to ensure that your tickets stay attached to the same account. You will continue to use ZenDesk authentication until we switch over to single-sign-on on October 19th.

Unable to update PHP dependencies via PHP Composer in Plesk: Support for composer 1 is deprecated




  • Avatar
    Peter Debik

    The above command delivers and error that /opt/psa/var/modules/composer/composer.phar is not found.

    The correct command on CentOS 7.9 is:
    /opt/plesk/php/7.4/bin/php /usr/local/psa/var/modules/composer/composer.phar self-update --2

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  • Avatar
    Vladimir Chernikov

    Hi @Peter Debik,

    Thank you for this information! I will check it and update the article accordingly.

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