One Website Page Doesn’t Display, but Looks Fine in Another Browser
Ways to check if a website not displaying is a problem with your browser, or with the site itself.
Using Fonts in Emails, That Can Be Read by Anyone
All email clients know about “serif”, “sans-serif” and “monospace”. All email programs (probably going back to Netscape Navigator) have a list of fonts built-in, and have a minimal font stack that include a likely Windows font and a...WordFence Blocked bot traffic Trying to Read /docker-compose.yml. Should I Do Anything?
Should you do anything about bot traffic trying to read your docker-compose.yml file, whether it exists or not?
Computer Slow? Check “Thermal Protection Mode”, and Fix It Fast
Ways to cool a slow computer, especially replacing the CPU thermal grease so it doesn’t go into thermal protection mode.
Troubleshooting Invalid Characters in Website Forms
I found this when I had trouble pasting a phone number from Google Voice, into Zoho Contacts. 4158826300 typed in, works415-882-6300 typed in, works(415) 882-6300 typed in, works(415) 882-6300 pasted from Google Voice, invalid (has UTF-8 characters)415-882-6300,...
Installing Shutter on Linux Mint, without message about Goo::Canvas
How to install Linux screen capture program Shutter, with libraries needed by the Edit function. The project Repository has moved since Shutter was added to the Linux Mint Software Manager.
Make Your SSH Keys for FileZilla and SiteGround
How to generate your own SSH Keys for FileZilla and Terminal, for secure file transfers. Linux and OS/X.
Securely Wipe Unused Hard Disk Space
Simple way to securely wipe all data from the Unused portion of a hard disk.
WordPress White Screen of Death
Incorrect line endings in .php files can mess up WordPress, even so it only shows a blank white screen (aka “White Screen of Death”). Fix it this way.
Blocking Access to .htaccess, wp-config.php, Other Important Files
Logging and Troubleshooting WordPress security for your .htaccess and wp-config.php and other files, while enabling specific pages that contain those names as part of the URL.
Troubleshooting Delays (several seconds) in PHP or WordPress
Find WordPress or PHP coding errors that take long time, even if the problem is system-level time-outs. PEAR Benchmark to find slow or failing PHP code.
Solar Impulse plane, in Phoenix May 2016
Photos of the Solar Impulse plane while in Phoenix, May 2016