WordPress permissions errors

Recursively change group ownership of the wp-content folder, keeping your ownership of the folder: chown YOURUSERNAME:www-data -R /var/www/html/wp-content/* Note: YOURUSERNAME¬†is the Linux user you created in step E.   Recursively enable write permissions for the group on wp-content subfolders and also for files in the folder and subfolders: cd /var/www/html/wp-content find . -type d -exec … Read more

WordPress error: The response is not a valid JSON response.

If the error occurs when attempting to publish a post: Disable Gutenberg and return to using the classic editor (aka: TinyMCE) by installing the ‘Classic Editor’ plugin:¬†https://wordpress.org/plugins/classic-editor/ When you activate the Classic Editor, it disables Gutenberg by default