Author: Rahul

In the fast-paced world of web technology, performance is king. One critical aspect of ensuring a smooth, efficient user experience is managing server resources effectively. For websites running on Apache, one of the most popular web servers, this often involves limiting bandwidth and the number of connections. This article will guide you through the steps for optimizing web performance by controlling these parameters on both Red Hat Enterprise Linux (RHEL) and Debian-based systems. Understanding the Need Before diving into the technical details, it’s essential to understand why limiting bandwidth and connections is crucial. Bandwidth caps can prevent a single user…

Nagios is most powerful infrastructure monitoring tools. Our earlier articles describes nagios core service installation and configure nagiosql with nagios core server. In this articles we are going to configure windows hosts to be monitor by Nagios server. Similar to NRPE service on Linux, NSClinet++ is the service for windows hosts to monitor through check_nrpe from nagios server. “How to Install and Configure NSClient++ and Monitor Remote Windows Host” Step 1 – Install NSClient++ Download the latest version of NSClient from its official site and start installation as below. The software will be named NSCP-xxxxxx.msi. During the installation process, you…

In the virtual hosting environment, if you’re providing VPS services to your clients. Then you may also need to setup bandwidth limit for all interfaces in virtual machines. So that no one vms can use more bandwidth than limit set. In other situation to limit bandwidth is also helpful for preventing multiple attacks which consumes lots of bandwidth. In this tutorial we will help you How to Limit Bandwidth Rate on Network Interfaces of Citrix XenServer VM. Method 1. Limit Bandwidth using XenCenter This is known as QOS limit. To enable this open your XenCenter and connect to your XenServer.…

Apache OpenOffice 4.1.10 Released on May 06, 2021. This version has Improvements to graphics, charts, forms, text annotations and accessibility feature. The Apache OpenOffice 4.1.10 Release Notes provide an explanation of these changes. However, you should have the opportunity to migrate your old profile settings to the new profile area. This how-to guide will help you to Install Apache Openoffice 4.1.10 on Ubuntu, Debian, and Linux Mint operating systems. If you are running LibreOffice or an older version of Apache OpenOffice, We recommend removing that from the system. System Requirements Linux kernel 2.6 or higher, glibc2 version 2.5.2 or higher…

Ajenti is a web-based control panel for managing systems (like Webmin, cPanel). It has a very beautiful and user-friendly interface. For personal use, Ajenti is freely available for under AGPLv3. For commercial use, you have to pay for a small amount regularly. This article will help you to install the Ajenti control panel on Ubuntu and Debian systems. This article has been tested with Debian 10 (Buster) only. Step 1 – Add Repository Ajenti provides its own repository for installing its packages. Use one of the following commands to add Ajenti apt repository based on your operating system. On Debian…

Ajenti is a web-based control panel for managing systems (like Webmin, cPanel). It has a very beautiful and user-friendly interface. For personal use, Ajenti is freely available for under AGPLv3. For commercial use, you have to pay for a small amount regularly. This article will help you to install Ajenti control panel on CentOS, Redhat, and Fedora systems. This article has been tested with CentOS 6.5 only. Step 1 – Install RPM Repositories Ajenti provides its own repository for installing its packages. We also required to install EPEL repository in our system for installing all dependencies. Below are the commands…

Opera is a popular web browser with a large number of users. It’s is a secure, fast web browser available for mobile as well as desktop systems. This browser provides an inbuild VPN for secure browsing for its users. You can directly download the Opera web browser RPM packages from its official website. Also, it can be installed using the Snap packages. This tutorial will help you to install Opera in CentOS, RedHat (RHEL), and Fedora systems. Installing Opera in Fedora/CentOS Choose one of the below methods for installing Opera Web browser on a Linux system. Method 1 – Installing…

The Android SDK is a software development kit which provides API libraries and necessary developer tools necessary for building Android application’s. Android SDK is officially provided by android developers. This article will help you for quickly configuring ADT (Android Developer Tools) Bundle for developing apps on your Linux system. ADT has all the essential SDK components with Eclipse IDE for your Android app development. ADT Bundle includes all the things we required to start application development. It including followings – Eclipse + ADT plugin Android SDK Tools Android Platform-tools The latest Android platform The latest Android system image for the…

Creating a swap partition on an Amazon Elastic Compute Cloud (EC2) instance can help improve the performance and stability of your system. A swap partition is a space on the hard drive that can be used by the operating system as virtual memory when the physical memory (RAM) is running low. In this article, we will explain how to create a swap partition on your EC2 instance. Check if your EC2 instance has a swap partition Before creating a swap partition, you should check if your EC2 instance already has one. To do this, you can run the following command…

We are assuming that you already have installed working Tomcat server in your system. If not you can visit to earlier article Install Tomcat 7 on CentOS, RHEL or Ubuntu, Debian Systems. This article can be used for Linux as well as Windows hosts both, the only thing we need to change directory path of keystore. Step 1 – Create a Keystore A Java KeyStore (JKS) is a repository of security certificates. keytool is the command line utility for creating and managing keystore. This command is available with JDK and JRE both. We just need to make sure that JDK…