Centos7 Virtualmin Upgrade PHP7 MariaDB
This is my first blog after upgrading to WordPress 5.1 from ver.4.8. Yes, I never tried 5.0 as it's always risky to have a major upgrade to ver. x.0. The…
Content Management System
WordPress Duplicator Plugin Server Error 500
Issue: During scanning stage of running the Duplicator plugin on a WordPress site, there was an error: Server Error 500. Solution: Modify /etc/php.ini file to increase memory: memory_limit = 256M…
WP Fastest Cache Plugins Update Issue
Issue: After installing WP Fastest Cache plugin, whenever update any plugin, there is error - Update failed. Could not remove old plugin. Solution: Go to WPFC at the top bar…
Scrolling to Section ID Missing
Issue: When moving some of the content to a single page design, the menu link will be addressing the div id instead of another page. But after all set up…
WooCommerce Showing Unmatched Variations
Issue: error: "Sorry, no products matched your selection. Please choose a different combination." WooCommerce in WordPress shows all variations of variable product including unmatched variations thus the above error message may…
WordPress Custom CSS Disappear
Background: It is quite terrifying if suddenly all the custom CSS disappear and you do not have a backup of the text of the custom CSS that is not just one or…
MathJax Incompatibility to LaTex
Issue: "Error: Missing argument to \begin" when using \color command and together with \boxed command in WordPress with MathJax plugin as if they are under LaTex syntax. Solution: Adding {}…
Virtualmin cannot access re-enabled Virtual Server
Issue: After disabling a website through disabling the virtual server in Virtualmin, then re-enabled the virtual server, there's error in accessing the website with error log: AH00124: Request exceeded the…
WordPress Plugin: Tabby Responsive Tabs
Issue: WordPress plugin Tabby Responsive Tabs shows inappropriate border. Solution: Go to setting of another plugin - Easy Google Fonts, Uncheck Force Styles Override (Optional) Config: WordPress 4.6.1…
Geogebra on WordPress
Issue: Including Geogebra graphics to WordPress is not difficult if you export the png file and then import to WordPress page as a media file, but it is not perfect…