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“There has been a critical error on your website. Learn more about debugging in WordPress.” after updating to WordPress 5.7 (All in one WP security and firewall) [Solved]



Investigating the error log reveals that the problem has to do with All in one WP security and firewall plugin: The problem has been solved in All in one WP security and firewall plugin version 4.4.8, so it means your WordPress site was updated to 5.7 prior to updating the plugins. To solve it, you […]

ISPConfig3 localized ‘Welcome to your new email account’ mail not working [SOLUTION]



I made a copy of the file welcome_email_en.txt from /usr/local/ispconfig/server/conf/mail to /usr/local/ispconfig/server/conf-custom/mail and named it welcome_email_se.txt and translated the content of the file, as I wanted my clients to be greeted to their new email account in Swedish. However, the client was still receiving the welcome email in English. It turned out that the configuration […]

Automatic restart of IPSec VPN on Teltonika RUT-950 / RUT-240



On one location where I am using a Teltonika RUT-950 / RUT-240 router, the IPSec VPN can only be connected in one direction which is outbound. Normally both ends can initiate the connection. The reason for this is that the router is connecting using 3G/4G and the provider only allows outbound traffic (i.e. “surf the […]

Cisco RV160 IPv6 configuration



This is how I configured IPv6 address received dynamically from my ISP. This is not to be confused with using a 6to4 tunnel service which is something completely different. In this case, a real IPv6 address is received using DHCP6 or SLAAC from the ISP. In this setup the IPv6 LAN side is bridged with […]

WordPress displays “Connection Information” asking for FTP credentials



WP displays “Connection Information” and a text “To perform the requested operation, WordPress needs to access your web server. Please enter your FTP credentials to proceed. If you do not remember your credentials, you should contact your web host.” To solve this, add the following line to your wp-config.php: If that doesn’t solve the problem […]

iFAQ auto expand all [solution]



The Joomla! extension iFAQ from Ideal Extensions is a nice way of building a FAQ (Frequently Asked Questions) section on your website. One feature I am missing though is to be able to select wether a FAQ list of articles should default to all open instead of closed. This is a simple workaround. Add a […]

Prestashop multistore – can’t get out of maintenance mode



After maintenance even though setting to shop to active, frontend still shows maintenance mode. This can occur when multistore is enabled. Solution: Use for example phpMyAdmin to access the shop database Find the ps_configuration table Find all records with the name PS_SHOP_ENABLE and change them from ‘0’ to ‘1’ (there are probably more than one)

WordPress shows white page after site move



WordPress just showing a white page means it is experienceing PHP errors. When it occurs after a site has been moved from one hosting to another it can be caused by several reasons. To make it possible to track down the cause you can temporarily add the following to the .htaccess file in the root. […]