What is Virtual memory, paging and swap space ?
Swapping A process normally runs on physical memory where the memory is divided into sets of pages. A page is a 4kb area of memory and is the basic unit of memory with which both
What is
What is the difference between DNS A record and CNAME record ?
A record It is the Address records also known as host records Points to the IP address reflecting the domain Used for forward lookup of any domain name For example: Our website is configured on
Tutorial for SYSLOG with Examples in Red Hat Linux
I have written another article with step by step instructions to redirect specific messages to different a log file from /var/log/messages so that your messages file is not filled up with unwanted eventsSyslog is one
What is a Kernel in Linux?
This is the first question which should come to your mind when you start reading and knowing Linux because without knowing what a kernel is you can not move ahead. Let me help you understand
What is the plus (+) sign in permission in Linux ?
So do you see a plus sign in the permission section in any of your directory. No need to get confused, well it just means that the directory has extra acl permission. We use acl
What is . and .. in Unix/Linux ?
So, if you are reading this blog then you are confused with the fact that each of the directory in your linux/unix box contains a"." and ".." , what does this basically means? Well the
7 Commands to read or view the contents of a file using CLI in Linux
Let me show you 7 commands which can be used to view the contents of its file where each command has its own advantage and you can use them as per your requirement. 1. less command
Understanding RPM package
All of us install multiple rpms while working on our Linux machines. But do you look at the rpm file and ever wonder what does those i586, i686 or any other used similar attributes mean?