Author: Rahul

File creation time is stored in inode in EXT4 file system. An earlier version of EXT files systems doesn’t support file creation time. There is a crtime (create time) timestamp in the debugfs stat output. finally EXT4 supports create time just like btime in NTFS windows. Follow below instructions to how to find file creation time. Select an existing file or create a new file for testing. For this example, I am using an existing file. Step 1 – Find Inode Number of File First of all, find the inode number of any file using the following command on terminal.…

Some times MySQL replication creates problems and slave could not sync properly from the master database server. It may cause due to lots of reason’s. Only the question is how to fix it? This article will guide you to how to reset MySQL replication and it will start again from scratch. Warning: After using this tutorial, All of your bin-log files will be deleted, So if you want, you may take a backup of bin-log files first and then follow the instructions. At Slave Server: At first we need to stop slave on slave server. Login to the MySQL server…

AjaXplorer is an open source solution for creating file sharing platform with your server. It allows to share files and documents over the internet using web interface, It also available in Android application to access. Step 1: Download Archive and Extract Download AjaXplorer archive file and extract its content at document root of web server using below commands. # cd /var/www/html # wget http://kaz.dl.sourceforge.net/project/ajaxplorer/ajaxplorer/stable-channel/5.0.3/ajaxplorer-core-5.0.3.tar.gz # tar xzf ajaxplorer-core-5.0.3.tar.gz # mv ajaxplorer-core-5.0.3 ajaxplorer Step 2: Create MySQL Database and User AjaXplorer can be configured with MySQL or sqlite3 database. In this article we are using MySQL. Use following commands to create…

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…

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…

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…

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…

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…

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…

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…