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..

Apache OpenOffice 4.1.12 has been released on Aug 30, 2021. This version has Improvements to graphics, charts, forms, text annotations, and accessibility features. The Apache OpenOffice release notes provide an explanation of these changes. All users running with Apache OpenOffice 4.1.11 or earlier are strongly advised to upgrade to the latest version. This how-to guide will help you to Install Apache Openoffice 4.1.10 on Fedora systems. If you are running Libre-Office or an older version of Apache OpenOffice, We recommend removing that from the system. System Requirements: Linux kernel version 2.6 or higher, glibc2 version 2.5 or higher 256 Mbytes…

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MariaDB 10.0 Stable version has been released and available to install using yum package manager. Today we have upgrading TecAdmin.net database server from MariaDB 5.5 to MariaDB 10.0 using Yum. This upgrade goes very smooth for me. But be carefully and keep backup for you all database to recovery from unnecessary damage. Step 1: Backup Databases We recommend to backup all your databases before upgrading mariadb. You can use any tool as per your preference to do it. For this example i am taking a full backup of all databases using mysqldump. # mysqldump -u root -p –all-databases > alldb.sql…

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Installing and configuring VsFTPd (Very Secure FTP Daemon) on Fedora Linux involves several steps. This article will guide you through the process, ensuring that you have a secure and efficient FTP server up and running. VsFTPd is known for its security and speed, making it a popular choice for setting up an FTP server on Linux systems. It supports both anonymous and authenticated FTP access and can be configured for high performance and security. Pre-requisites A system running Fedora Linux Sudo privileges or access to the root user Installation of VsFTPd 1. Update System Packages: Begin by updating your system’s…

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Monit is a powerful, open-source utility for managing and monitoring Unix systems. Widely appreciated for its simplicity and ease of use, Monit conducts automatic maintenance and repair of system services, offering peace of mind for system administrators. This article provides a comprehensive, step-by-step guide to installing, configuring, and utilizing Monit on a Linux system. Step 1: Installing Monit Monit is available in the repositories of most Linux distributions. To install Monit, use your distribution’s package manager. For Debian/Ubuntu systems, you can use: sudo apt-get update sudo apt-get install monit For Red Hat/CentOS systems, use: sudo yum install monit For Arch…

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Security is the first priority for any production applications. If your site is providing payment option, then we recommend to must have an SSL certificate on your site. This article is for Node.js users, in this article we are describing SSL configuration with a node.js application. Step 1: Create Self Signed SSL For the production applications, you would required to purchase a verified SSL from certificate authorities. In this tutorial we are using a self signed ssl certificate which is enough for development applications. First create a CSR for you domain, Provide the desired values to asked questions. # cd…

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An array is a collection of similar types of data. It is a data structure that can store a fixed-size sequential collection of elements of the same type. Arrays are particularly useful when there is a need to store a large number of data of the same type. In C programming, array is a powerful and complex tool that is used in various scenarios for different purposes. Understanding the Basics of Arrays An array is defined as finite ordered collection of homogenous data, stored in contiguous memory locations, which can be accessed individually by adding an index to a unique…

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MongoDB is a popular, open-source NoSQL database that provides high performance, high availability, and automatic scaling. As a document-based database, it stores data in flexible, JSON-like documents, making it easy to work with and integrate into various applications. In this article, we’ll cover the fundamentals of creating and dropping databases in MongoDB, allowing you to confidently manage your data. Table of Contents Prerequisites Understanding MongoDB Structure Creating a MongoDB Database Listing Databases Dropping a MongoDB Database Conclusion 1. Prerequisites Before diving into creating and dropping databases, ensure that you have MongoDB installed on your system. You can download it from…

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In the world of database management, flexibility and organization are key. MySQL, as one of the most popular database management systems, is no exception to this rule. One critical aspect of managing a MySQL database is knowing how to change its default data directory. This article guides you through the steps to efficiently and safely move your MySQL data to a new location. Why Change the Default Data Directory? Before diving into the how, let’s understand the why. There are several reasons to change the default data directory in MySQL: Storage Management: As your database grows, you might run out…

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s3.exe is a standalone windows command line utility available for managing s3 buckets and EC2 environments. this file don’t required any installation. To work with this script, we just need to have installed .Net framework 2.0 or above version. As much as I know, this script has limited options but it will be helpful for you for s3 bucket tasks and managing snapshots of EBS volumes. Download s3.exe Utility To Download s3.exe file visit s3.codeplex.com and download it. After downloading this file, you can put it under C:WindowsSystem32, so we can use it from any path in system. http://s3.codeplex.com Setup…

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FTP

VsFTPd stands for Very Secure FTP Daemon. VSFTPD is the most popular ftp server. Also probably the most secure and fastest FTP server for UNIX-like systems. If you are searching an FTP server which can provide you Security, Performance and Stability then your searching is finished here, vsFTPd can be best suitable option for you. This article will help you to setup vsFTPd server on CentOS/RHEL and Fedora systems Features of vsFTPd Despite being small for purposes of speed and security, many more complicated FTP setups are achievable with vsftpd! By no means an exclusive list, vsftpd will handle: Configure…

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