How To Fix WPDataTables Error “You are trying to load a table of an unknown type” in WordPress

Author: , September 7th, 2022

If you get the following error in WordPress when using the WPDataTables plugin, follow these steps to fix it: “You are trying to load a table of an unknown type. Probably you did not activate the addon which is required to use this table type.” SOLUTION SUMMARY: You must update the plugin files manually, deactivate […]

How To Upgrade Certbot, Python and PIP on AWS Linux 1

Author: , May 6th, 2020

I ran letsencrypt-auto renew and got the following error:

The solution in this article gave me the answer:

Turns out Python was old at version 2.7, so did the following also:

Also had to change the cron job script to call certbot directly instead of letsencrypt-auto : vi /root/

First post after upgrading to WordPress 5.4

Author: , April 5th, 2020

Decided to go for it and dive into the world of the WordPress block editor based on the improvements in version 5.4 – First, the upgrade went smoothly. Second, switching to the new block editor was easy. Third, making this post seems pretty painless. I disabled full-screen mode because I simply don’t like it ;-} […]

How To Downgrade PIP After Upgrade on Amazon Linux

Author: , March 25th, 2020

I tried upgrading pip when prompted to do so: sudo pip install –upgrade pip This worked, but removed the system install in /usr/bin/pip and replaced it with /usr/local/bin/pip – NOT GOOD! The solution is as follows:

How To Fix Bamboo Start Errors After Java Upgrade

Author: , January 21st, 2020

PROBLEM DEFINITION Bamboo Catalina error found in catalina.out:

SOLUTION SUMMARY Correct by using Java 8 instead. Do it manually using alternatives –set, or interactively using alternatives –config. MANUAL PROCEDURE – two steps, one for java and one for javac

INTERACTIVE PROCEDURE – two steps, one for java and one for javac

How To Upgrade PHP on AWS Linux

Author: , August 22nd, 2019

As root:



Be sure to restart your web server!!

How To Install/Update CPAN on MacOS Mojave with fatal error: ‘EXTERN.h’ file not found

Author: , June 12th, 2019

The Problem Tried to install the latest version of cpan and got stuck. Tracked it down to the dependency module Mac::SystemDirectory which was failing to build:

The Solution Use the MacOS installer command to deploy the needed files:

The, rerunning the cpan install works:

How To Upgrade MySQL to 5.7 on CentOS/AWS Linux

Author: , December 7th, 2017

START: Server version: 5.5.54-log MySQL Community Server (GPL) FINISH: Server version: 5.7.20-log MySQL Community Server (GPL)

If you do not restart MySQL server at the end, you will get this error:

Check and veify your my.cnf ssl entries if you see the following error in the /var/log/mysqld.log file at startup:

How To Fix yum after Python Upgrade

Author: , December 8th, 2015

I upgraded to Python 2.7 and yum promptly broke. The quick fix is to edit the yum executable script and change the top line that invokes Python: sudo vim which yum CHANGE FROM: #!/usr/bin/python TO: #!/usr/bin/python26 UPDATED August 2nd, 2016: On one system, I had to use the following Python 2.4 fix instead, even though […]

How To Fix MySQL Error “Cannot load from mysql.proc. The table is probably corrupted”

Author: , July 22nd, 2013

Do a full backup first, just in case! mysql_upgrade -u root -p