Never assume.
When troubleshooting performance issues..never take anything for granted..yes, even if something was not touched or restarted, chances are something touching it has been and might have...
Project Uptime : Progress Report 5 : Getting ready for Reddit and Hacker News
A very timely post on Hacker News by Ewan Leith about configuring a low end server to take ~11million hits/per month gave me some more ideas...
31 Days and 29 posts
In early March 2012, I decided to write at least one blog post per day for the whole month. How did I do? 29 posts in...
HOW TO : Perform OCR on PDF files for free
I had to convert a scanned PDF file into an editable document recently. You can do this using OCR and there is a ton of software...
HOW TO : List files that don't contain a string using find and grep
If you run into a situation, where you need to search through a bunch of files and print the names of the files that don’t contain...
HOW TO : Capture all traffic to and from a host using tcpdump
Quick one liner for capturing traffic destined to and arriving from a host (IP address) using tcpdump and writing it to a file for analyzing later...