Tools (OS)

How to Enable Promiscuous Mode in VMWare Workstation?

Have you ever spent hours searching for something? This one little parameter was nearly impossible to locate so I'm adding it here in the hopes it helps...

Chrome Extension: Remove YouTube Suggestions

If you find yourself spending too much on YouTube, I've discovered a plugin that'll help. It's called "Remove YouTube Suggestions," and it works by...

SSH Port Forwarding (With Examples)

$ ssh -L 80:forwards.to.example.com:80 <localhost> The above ssh command forwards any traffic from localhost:80 to forwards.to.example.com:80. Reference:...

How to Use ImageMagick to Create Progressive JPGs

$ convert -strip -interlace Plane -quality 80 input-file.jpg output-file.jpg Source #1: CoderwallSource #2: Ask Ubuntu ...

How to Compress and Optimize Your Images

To compress your images from the Linux command line, you'll need two programs -- one for *.jpg file types and one for *.png file types. jpegoptim (for...

How to Uncompress a RAR File

RAR is a proprietary archive file format that supports data compression, error recovery and file spanning. It was developed by a Russian software engineer,...

How to Remove EXIF Data From Your Images

What Is EXIF? EXIF stands for Exchangeable Image File Format, but it's essentially meta-data added to your pictures or videos. Imagine for...

How to Filter “access.log” Columns Using AWK

If you've administered a web server, you've undoubtedly encountered its access log. By default, nginx web servers maintain the log at "/var/log/nginx/access.log,"...