Useful Wordpress

W3 Total Cache HTTP ERROR 500, Call to undefined function W3TC\wp_unslash()

At the last update for W3 Total Cahe to Version 2.2.3 we reached the situation that the site no longer works, it returns a classic HTTP ERROR 500 error. The only solution to restore operation was to manually delete the entire cache plugin folder /wp-content/plugins/w3-total-cache and the object-cache.php + db.php files from /wp-content/ folder. The error […]

Linux Servers

Fixing kernel error AMD-Vi IO_PAGE_FAULT – Linux

Without any clear reason, today an error appeared on my home server, in fact the server crashed and did not respond to any commands, the only option was the hardware reset, from the button! The server is a HTPC, with remote access (headless server), based on a Ryzen 2400G processor, 16GB Ram, 1xNVMe, 1xSSD, 4xHDDs […]

Linux Servers Useful

Solved! WARNING: [pool ***] server reached max_children, consider raising it

If you encounter such an error in the php logs, then it is time to modify max_children. The php logs are usually located in /var/log/,  and in my case they are in /var/log/php7.4-fpm.log WARNING: [pool ********] server reached max_children setting (8), consider raising it Search for the file where the max_children variable is located, in my case […]