Author: Rahul

I, Rahul Kumar am the founder and chief editor of TecAdmin.net. I am a Red Hat Certified Engineer (RHCE) and working as an IT professional since 2009..

After adding few of tutorials about PHP optimizers like Memcached, XCache and PHP eAccelerator. Which are used to optimize php scripts by caching them in compiled state. This article will help you to configure mod_pagespeed to optimize Apache server performance. Ther are number of features availble in mod_pagespeed, Find the list of few important features: Automatic website and asset optimization Latest web optimization techniques 40+ configurable optimization filters Free, open-source, and frequently updated Deployed by individual sites, hosting providers, CDNs This article will help you to how to install mod_pagespeed Apache module on CentOS, RHEL, and Fedora systems. Step 1…

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XCache is a fast, stable PHP opcode cacher. This relatively new opcode caching software has been developed by mOo. XCache optimizes performance caching the compiled state of PHP scripts into the RAM and uses the compiled version straight from the RAM. This may increase php execution 1-5 times faster than default installation. Read more about XCache. This article will help you to install and configure XCache on CentOS, RHEL and Fedora Systems. Step 1: Install XCache for PHP You can simply use yum command to install xcache for php from epel repository. If you do have installed epel repository, Enable…

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PHP eAccelerator is used for improving performance of php scripts by optimize and cache them in compiled states. eAccelerator stores compiled PHP scripts in shared memory and executes code directly from it. eAccelerator typically reduces server load and increases the speed of your PHP code by 1-10 times. There are also other options available to optimize php scripts such as APC, Memcached, XCache etc. Read More Installing PHP eAccelerator PHP eAccelerator can be simply installed using yum package manager on CentOS and RHEL systems. Also we can use source code to install it. This article will help you install and…

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Managing a MySQL database doesn’t always mean accessing it from the same server where it’s hosted. In many situations, especially with the rise of distributed applications and cloud services, you might need to connect to a MySQL server from a remote location. Here’s a guide on how to set this up. Step 1: Backup Your Database Before you make any changes to your MySQL configuration or grant remote access, always back up your data. Use the mysqldump command: mysqldump -u [username] -p [database_name] > backup.sql Step 2: Modify MySQL Configuration MySQL’s default setting is to listen only on the localhost…

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GZIP compression is a powerful tool that can significantly improve website performance by reducing the size of files transferred between the web server and client. In this article, we will explore what GZIP compression is, why it matters, and how to enable it on Apache running on Ubuntu. What is GZIP compression? GZIP compression is a method of compressing files before sending them over the network. It works by analyzing the content of a file and finding patterns that can be replaced with shorter symbols, reducing the overall size of the file. When the client receives the compressed file, it…

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Munin is a networked resource monitoring tool that can help analyze resource trends. Munin the monitoring tool surveys all your computers and remembers what it saw. It presents all the information in graphs through a web interface. This article will help you to install Munin Network Monitoring Tool on your CentOS, Fedora, and Red Hat systems. Step 1 – Enable Yum Repository First of all, you need to add enable EPEL yum repository in your system. Use the following command to install as per system architecture. yum install epel-release Step 2 – Install Munin Packages Use the following command to…

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Network File System (NFS) is a distributed file system protocol. which allowing a user on a client computer to access files over a network in a manner similar to how local storage is accessed. This article will help you to install and configure NFS on Ubuntu systems and export a directory and mount it on the client system. Network Details: We have running two Ubuntu 16.04 LTS Systems in same network 192.168.1.0/24, Below given IPs are configured on server and client, which we will use in this tutorial. Server: 192.168.1.100 Client: 192.168.1.110 Step 1 – Install NFS Server on Ubuntu…

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Deleting old files in Linux can help keep your system clean and free up space. If you have files older than 30 days that you no longer need, this guide will show you how to remove them step-by-step. Whether you’re a beginner or just need a refresher, you’ll find easy instructions here. We’ll start by understanding the basic commands and then move on to applying them in your terminal. This article describes you to how to find and delete files older than 30 days. Here 30 days older means the last modification date is before 30 days. 1. Delete Files…

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Shell scripting is an essential skill for automating tasks on Unix-like systems, enabling users to execute sequences of commands in scripts. A fundamental concept that enhances the power and efficiency of these scripts is the use of functions. This guide aims to demystify functions in shell scripting, making them accessible to beginners. What Are Functions in Shell Scripting? In shell scripting, a function is a named block of code that performs a specific task. Just like functions in traditional programming languages, shell functions allow you to encapsulate logic, making your scripts more modular, readable, and maintainable. Functions are particularly useful…

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The database is the most crucial part of any application, and as a developer, ensuring the safety of your database is crucial. MySQL, a popular database management system, uses stored procedures and triggers to automate tasks and manage data efficiently. However, these valuable components are often overlooked during backup processes, potentially leading to data loss or malfunction. In this guide, we’ll walk you through the simple steps to back up and restore MySQL stored procedures and triggers. Whether you’re a beginner or an experienced developer, you’ll find this guide easy to follow and essential for maintaining your database’s integrity. Why…

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