How To Fix “iCloud Account Could Not Be Removed” Error on OS X Yosemite 10.10.5

Author: , November 24th, 2022

PROBLEM: Unable to sign out of iCloud on OSX Yosemite or disable Keychain SOLUTION: Delete the following, then reboot:

How To Disable Automatic Updates in WordPress

Author: , September 19th, 2022

To disable automatic updates in WordPress, simply edit the wp-config.php file in your WordPress root directory and add the following line:

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 Preserve Quotes In Bash Arguments

Author: , April 18th, 2022

If you want to preserve quoting to pass shell arguments to a called command, use the four characters “$@” (including the double quotes) instead of the two characters $*

How To Disable Email Bounce Messages In Postfix

Author: , March 18th, 2022

How To Fix Server Ownership When Files Have Been Altered By Mistake

Author: , March 16th, 2022

Situation: Newbie mistake, used copy-and-paste to create a script that used variables with the incorrect variable name, then ran chown -R / OUCH Resolution: Since I had aa clone host nearby, I decided to export the remote root fs via NFS, mount it on the fouled nnode, and use find magic to repair. Here are […]

How To Solve Grafana Error “failed to load its application files”

Author: , February 23rd, 2022

Try a newer browser before anything else! I was using an older version of Safari on Mac and got this:

I switched to the latest version of FireFox and was fine.

How To Prevent SSH From Prompting When The Host Is Unknown

Author: , January 26th, 2022

If you are asked “Are you sure you want to continue connecting (yes/no)?” when trying to connect via SSH, then the remote host’s identification key has not yet been stored in your ~/.ssh/known_hosts file. This then requires you to type the full string “yes” in order to proceed because the default value for ssh is […]

How To Block Email Using Subject Headers In Postfix

Author: , December 7th, 2021

I needed to block email based on the Subject header. The solution is simple: Edit as root and uncomment or add:

Next, creaate or edit /etc/postfix/header_checks as root and add the following line:

Finally, run sudo postfix reload NOTE: Do NOT add the “i” after the regular expression! It is case-insensitive by […]

How To Enable Focus Follows Mouse On MacOS

Author: , December 2nd, 2021

Use AutoRaise! From the docs: “When you hover a window it will be raised to the front (with a delay of your choosing) and gets the focus.” Web page: Download:

My ~/.AutoRaise file: