Can’t update WordPress, need to reboot the VPS
PHP’s opcache module causes this kind of behaviour. Disable this module by editing the file at /etc/php5/mods-available/opcache.ini and placing a semicolon like this. ;zend_extension=opcache.so And restart PHP5-FPM/web server service. If you are not comfortable editing these files add these lines to the top of your child theme’s functions.php file. if ( is_admin() ): ini_set( “opcache.enable”, … Read more