Author: Rahul

Red5 is an open-source media server for live streaming solutions that are written in Java. It provides a powerful platform that supports streaming Video (FLV, F4V, MP4, 3GP), Audio (MP3, F4A, M4A, AAC), and RTMP/RTMPT protocols for maximum flexibility. This article will guide you on how to install Red5 Server on CentOS/RHEL 9/8. Prerequisites A CentOS/RHEL 8 or 9 instance with root privileges. Sufficient storage space for the server software and media files. An installed Java Development Kit (JDK), as Red5 is a Java-based application. Step 1: Update the System First, you should start by updating your system to the…

Cron is a powerful scheduling tool used in Unix-like operating systems for running tasks at predetermined times. It’s invaluable for automating system maintenance and administrative tasks. However, when trying to schedule these tasks, you might encounter the error `-bash: crontab: command not found`. This indicates that the Crontab management utility is not installed on your system. This guide provides a detailed, step-by-step tutorial on how to install and configure Crontab, the interface for managing cron jobs, on CentOS and Red Hat Enterprise Linux (RHEL) systems. Introduction Before diving into the installation process, it’s essential to understand what Crontab is and…

vnStat is a network traffic monitoring tool for Linux systems. It is used to track the network traffic data and display it in a convenient graphical interface. vnStat can be used to track bandwidth usage on a per-interface basis, which makes it an ideal tool for monitoring network traffic on servers, routers, and other network devices. This article provides a comprehensive guide on how to set up vnStat on CentOS and Fedora systems. Prerequisites Before installing vnStat, make sure that your system meets the following requirements: A running CentOS or Fedora system A user with administrative or root privileges Step…

ATRPMS is a 3’rd party rpm repository providing up to date packages for Red Hat based systems. We can used it for directly downloading packages or we can use one of the available package manager tools. Read: Adding EPEL and REMI Yum Repository on CentOS & RedHat 7/6/5 To enable atrpms yum repository first login to system using root access. Now import ATrpms signing key for verifying packages using following command. # rpm –import http://packages.atrpms.net/RPM-GPG-KEY.atrpms Now create repository file with .repo extension under /etc/yum.repos.d/ directory and add following content as per your operating system. On CentOS / RHEL / Scientific…

Many times we faced issues with mirroring setup with authentication, So in this article we are going to configure database mirroring by creating endpoint and required certificates for authenticate and authorization. Follow below steps to setup database mirroring in sql server with 1 Principal server and 1 Mirror server. This article does not include witness server. So if you want automatic failover setup this article would not help you. Read this article for role of witness server Step 1. Setup Endpoint and Certificates With the first step we are going to create endpoint on both server and configure certificates for…

Keepalived is used for IP failover between two servers. It facilities for load balancing and high-availability to Linux-based infrastructures. It works on VRRP ( Virtual Router Redundancy Protocol ) protocol. We have running two load balance servers using HAProxy and now we need to implement VRRP between both servers. This tutorial will help you to configure KeepAlived, Use this tutorial to configure HAProxy on both servers. Network Scenario: 1. LB1 Server: 192.168.10.111 ( eth1 ) 2. LB2 Server: 192.168.10.112 ( eth1 ) 3. Virtual IP: 192.168.10.121 Now we are implementing ip failover setup between LB1 and LB2 servers. Graphical representation…

Virtual private server (VPS) hosting is a popular option for small businesses looking for more power and flexibility than shared hosting can offer. With a VPS, your business gets its own dedicated slice of a server, with resources that are dedicated to your business and not shared with other users. This can result in faster load times, better security, and more control over your hosting environment. In this article, we’ll look at the top 5 VPS hosting providers for small businesses. We’ll consider factors like price, scalability, and customer support to help you choose the best provider for your business.…

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…