Introduction In our earlier articles on nagios we explained in detail how to install nagios core on the centos 6 system and configure it. In this article we will explain step by step how to monitor a remote machine with nagios...
AWK is a powerful regular expression filtering and pattern matching scripting language. Please consider heading to awk tutorials section to read through our other awesome AWK tutorials which deep dive into different aspects of...
Introduction Nagios is an extremely popular open source monitoring and alerting tool. The name nagios is an offshoot of an older system called ‘net saint’. Although Nagios has it’s limits and is not an all in...
Versioning is a means of keeping multiple variants of an object in the same bucket. You can use versioning to preserve, retrieve, and restore every version of every object stored in your Amazon S3 bucket. With versioning, you...
Introduction In our previous article on the git version control system, we explained how we could modify our files in repositories in our GitHub account and then pull the changes from GitHub to the git repositories on our local...
Cloud backup software functions very much like conventional backup software. The fundamental difference with a cloud backup is that your data transmits over the Internet to be securely stored in a professional data...
Hello to all from Linux Juggernaut team. We are excited to introduce our multiple WhatsApp groups...
This is our first post on Perl programming language. These two functions are useful in removing the last character of a given string, array(each element last character), hashes etc. Before...
Hello to all from Linux Juggernaut team. We are excited to introduce our multiple WhatsApp groups...
The substring is a part of string/variable. We can create substrings from a ruby string variable. We already dealt with substrings in Shell scripting in our early post. This substring can be one character length or multiple...
Sometimes you need to know the size of each mysql table to optimize them and gain some free space in the disk. To do so, you can check manually the size of each table in the mysql datadir (generally it is /var/lib/mysql), or you...
Introduction In our earlier articles on nagios we explained in detail how to install nagios core on the centos 6 system and configure it. In this article we will explain step by step how to monitor a remote machine with nagios...
Versioning is a means of keeping multiple variants of an object in the same bucket. You can use versioning to preserve, retrieve, and restore every version of every object stored in your Amazon S3 bucket. With versioning, you...
When I started my career in IT field, I have landed into windows world, as I know that no...
Introduction Docker is a containerization engine and platform that encapsulates application code along with all of its dependencies inside a container. Containers are like virtual machines but they are more portable, more...
Below are some of the typical interview questions you will come across when you apply for an...
Introduction In our earlier articles on nagios we explained in detail how to install nagios core on the centos 6 system and configure it. In this article we will explain step by step how to monitor a remote machine with nagios...
What is Prometheus? Prometheus is an open source monitoring tool which was developed in 2012. Its architecture is modular and comes with several readily available modules called exporters, which help you capture metrics from...
Introduction In this article we will demonstrate a quick and easy method to use your local system as a basic File Server using simpleHTTPserver. The SimpleHTTPServer is a built in module that comes available with the default...
Do you ever wonder how to keep up with the new security updates releasing daily? Debsecan is a great tool that you can use to simplify this task. This utility will help you to evaluate your current security status without...
Introduction In our earlier articles on nagios we explained in detail how to install nagios core on the centos 6 system and configure it. In this article we will explain step by step how to monitor a remote machine with nagios...
Introduction Docker is a containerization engine and platform that encapsulates application code along with all of its dependencies inside a container. Containers are like virtual machines but they are more portable, more...
Introduction Input/output redirection is an extremely important aspect of writing bash shell scripts and working with the bash shell command line interface in general. A here document is a form of I/O redirection that tells the...
Introduction Docker is a containerization engine and platform that encapsulates application code along with all of its dependencies inside a container. Containers are like virtual machines but they are more portable, more...
Managing KVM hypervisor and Virtual machines hosted by it are very much easy if you know what they are capable of. In this post we will see how to view different settings, Hardware info etc for both KVM hypervisor and Guest...
As most of the people know DevOps is all about how many tools you master. For example take...
Hello to all from Linux Juggernaut team. We are excited to introduce our multiple WhatsApp groups...
Introduction In our previous article on the git version control system, we explained how we could modify our files in repositories in our GitHub account and then pull the changes from GitHub to the git repositories on our local...
What is Prometheus? Prometheus is an open source monitoring tool which was developed in 2012. Its architecture is modular and comes with several readily available modules called exporters, which help you capture metrics from...
Introduction In one of our earlier articles we demonstrated how to configure a caching only DNS server. In this article we will be explaining the step by step process of configuring a DNS server using bind. Along with the DNS...
My name is Surendra Kumar Anne. I hail from Vijayawada which is cultural capital of south Indian state of Andhra Pradesh. I am a Linux evangelist who believes in Hard work, A down to earth person, Likes to share knowledge with others, Loves dogs, Likes photography. At present I work at Bank of America as Sr. Analyst Systems and Administration. You can contact me at surendra (@) linuxnix dot com.
