In this article I will explain you things that you should know about DNS. We think we all know what DNS is and how it works, but we get sloppy at times. So, I decided to dig deep into DNS. I decided to write what I learned. I may not be able to...

In this article I will explain you things that you should know about DNS. We think we all know what DNS is and how it works, but we get sloppy at times. So, I decided to dig deep into DNS. I decided to write what I learned. I may not be able to...
When you cannot chmod chmod? What to do? This might help to re-instate permission back. Here are following techniques where you can use chmod to change permission when chmod itself is not executable. Using rsync: The first technique is to use rsync...
DIG stands for Domain Information Groper. As the name suggests it is used to grab information from a DNS server. It is one of the most powerful yet most underrated utility. Sometimes we get overwhelmed by all the information that is shown and...
Linux kernel has a feature or application called OOM Killer. It kills the process whenever it is out of memory. OOM decides which process to kill based on a score that it calculates which is called oom_score. You can find oom_score for each process...
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