How to clear/flush the DNS cache in Google Chrome?

As you probably know Google Chrome has its own internal DNS cache. Is there a way to clear it without having to wait for the time out or close the browser? Answer Navigate to chrome://net-internals/#dns and press the “Clear host cache” button. AttributionSource : Link , Question Author : Mee , Answer Author : Community

How do I make a machine “blank screen” for a period of time (as a penalty) if certain noise levels are reached?

My kids (4 and 5) yell a lot when playing games on the computer. I found an effective cure for this. When I hear loud noises, I ssh into the game computer and do: chvt 3; sleep 15; chvt 7 This will turn off the screen for 15 seconds on Linux. I’ve told them that … Read more

How can I sort the output of ‘ls’ by last modified date?

How can I sort the output of ls by last modified date? Answer ls -t or (for reverse, most recent at bottom): ls -tr The ls man page describes this in more details, and lists other options. AttributionSource : Link , Question Author : Community , Answer Author : Tamara Wijsman

How do I scroll in tmux?

I just started using tmux, and I really like it, but I need to be able to scroll within the buffers/panes/windows I have open. I don’t care if it works with the mouse or not. When I search the tmux man page, I find only two instances of the word “scroll” even showing up, and … Read more

What is the cURL command-line syntax to do a POST request?

How can I make a POST request with the cURL command-line tool? Answer With fields: curl –data “param1=value1&param2=value2” With fields specified individually: curl –data “param1=value1” –data “param2=value2” Multipart: curl –form “fileupload=@my-file.txt” Multipart with fields and a filename: curl –form “fileupload=@my-file.txt;filename=desired-filename.txt” –form param1=value1 –form param2=value2 Without data: curl –data ” curl … Read more