This article will guide you to understand the Zombie process and Daemons, and also help us to find the process which is running in the background.What is Zombie Process?When a process ends the execution, then it will have an exit status to report to its master process. Because of that ... Read More

In this article, we will learn how to enable or add the swap partition on Ubuntu 16.04, actually, the swap will increase the chance of responsiveness of the servers by guarding the out of memory errors for the applications, by default Ubuntu will not enable the swap space. We will ... Read More

Isn’t it difficult to tackle certain situations when one wrong step can change the entire consequences? Yes, some situations make us dumbfound, and paralyze our decision-making capabilities whether that has a positive or negative impact on our project’s life. So, don’t you think that it is better to have some ... Read More

This article helps you to create and add a new virtual disk to an existing Linux virtual machine on VMware. Here are some steps for adding a new SCSI based virtual disk on a CentOS Linux virtual machine. We are assuming that you are already familiar with Linux system administration ... Read More

In this article, we will learn how to create a RAID 0 Array configuration using the ‘mdadm’ utility.The ‘mdadm’ is a utility which is used to create and manage storage arrays on Linux with RAID capability where the administrators are having a great flexibility in managing the individual storage devices ... Read More

In this article, we will know how to count the number of threads in a process on Linux environment, there are several ways to do it, but we will learn using ‘/proc’ and ‘ps’ command.Using ‘/proc’In Proc pseudo file system, this resides in /proc directory, and this is the easiest ... Read More

In this article, we will be covering about the installation of Nagios 4, a very popular and open source monitoring tool on Centos 6.7. We shall cover some basic configuration steps which might be useful to monitor a host of resources via the web interface. Here, we shall also utilize ... Read More

This article provides a basic understanding of Ansible technology along with steps to install it. Ansible is an open source IT automation software for configuring, managing and installing software’s on the clients or nodes without any downtime and agent installed on the nodes. It uses SSH to communicate with the ... Read More

In this article, we will learn how to change or relocate the PostgreSQL Database data directory to the new location on Ubuntu 16.04. This database grows more frequently and depends upon the size of the company, as we needed more space and for security reasons we will change the data ... Read More

Do you like to be at the center stage when the management showers the praises and appreciates with thundering applause? Of course, those are the golden moments that everyone is dreaming about. But, is it easy to be a champion without adequate knowledge and skills? No, not at all. You ... Read More