How to grayscale an image with CSS
CSS3 filters work in most browsers and allow web developers to add interesting effects to photos, including converting them to grayscale.
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Mac Adware removal
I had to clean up a Mac with some browser hijacker malware recently. This tool proved to be the most effective.
How to view the octal permissions of a file or folder in Linux
stat -c "%a %n" <path to file or folder>
How to setup SSH key-based authentication
Want to log in to your Linux server without using your password AND be more secure? You can do this with SSH keys.
How to secure a Linux server from unauthorized SSH access
I’ve been doing a lot with reverse SSH tunnels for remote support lately, and wanted to make sure that my VPS was locked down. Here are the steps I took to m...
Normalizing uploaded image rotation in Java
EXIF (Exchangeable image file format) is a standard that specifies metadata for images. This allows digital cameras and phones to embed GPS coordinates, came...
The HTML “Marquee” tag
“Marquee” is a somewhat esoteric HTML tag introduced in Internet Explorer 3 that is used to create a scrolling area of text. It has a direction attribute tha...
TIL: Browsers do not pass the referer string when on an HTTPS page
The HTTP Referer (originally a misspelling of “referrer”) header field identifies the address of a web page that linked to the resource being requested. It i...
Bash shell script to check the stock price of a company
I wrote a quick little shell script this morning using the YAHOO Finance API to show the stock price of my company in the terminal. This works for any compan...