Php – Can’t get phpMyAdmin working

centos6PHPphpmyadmin

I've installed phpMyAdmin on a VPS running Apache 2.2.15 and PHP 5.6.27 on CentOS 6.8

After allowing web access via the httpd conf file I keep getting the following message from both the index page and the setup page.

Cannot start session without errors, please check errors given in your PHP
and/or webserver log file and configure your PHP installation properly. Also
ensure that cookies are enabled in your browser.

All well and good, except that PHP doesn't seem to be writing any error messages to the site error log. (Its a dev site, errors are turned up high – E_ALL | E_STRICT)

How do I debug this? The config file exists (/etc/phpMyAdmin/config.inc.php) but is empty.

Best Answer

I have run into this issue as well many times, and clearing my cookies always resolved it. Haven't had it for about 2 years now, so it may be a problem with specific phpmyadmin versions

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phpMyAdmin – Troubleshooting phpMyAdmin Issues on Nginx and PHP-FPM on RHEL 6

From the latest error you posted, it appears that PHP is trying to write session data to disk in a directory that's not actually writable, namely /var/lib/php/session.

Check the ownership and permissions on this directory:

ls -ld /var/lib/php/session

Compare these to the user and group ID under which php-fpm is running. These will be found in the user = and group = declarations in PHP-FPM's pool configuration in /etc/php-fpm.conf or files in the /etc/php-fpm.d/ directory.

Mysql – phptheadmin won’t connect to remote MySQL instance

I have resolved the issue. Indeed, my config file was being ignored. I had been copying config.inc.sample.php to config.inc.php in the top level directory of the website (/var/www/html/pma).

However, on CentOS 6 there is a separate config directory -- /etc/phpMyAdmin/. Once I copied my config there, everything works ok.

Best Answer

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phpMyAdmin – Troubleshooting phpMyAdmin Issues on Nginx and PHP-FPM on RHEL 6

Mysql – phptheadmin won’t connect to remote MySQL instance

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