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..

Bash is a popular shell used on Linux and macOS systems. It is a powerful tool for automating repetitive tasks and can help streamline system administration and development tasks. One of the most commonly used features of Bash is the for loop. In this tutorial, we will cover the basics of for loops as well as advanced for loops examples in Bash and show you how to use them to automate your work. What is a for loop in Bash? A for loop is a control structure in Bash that allows you to execute a set of commands repeatedly. It…

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Elasticsearch is flexible and powerful open-source, distributed real-time search and analytics engine. Using a simple set of APIs provides the ability for full-text search. Elastic search is freely available under the Apache 2 license, which provides the most flexibility. This tutorial will help you to setup Elasticsearch single node cluster on CentOS, Red Hat, and Fedora systems. Step 1 – Prerequsities Java is the primary requirement for installing Elasticsearch on any system. You can check the installed version of Java by executing the following command. If it returns an error, install Java on your system using this tutorial. java -version…

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Noise is an beautiful and fast GTK3 audio player. Currently, Noise 5.0 version is available to install. To read more out and change log of Noise click here. This article will help you to Install Noise Music Player in Ubuntu systems. Step 1 – Install Noise on Ubuntu Use following set of commands to install or Update Noise music player on your Ubuntu systems. sudo add-apt-repository ppa:elementary-os/daily sudo apt-get update sudo apt-get install noise Step 2 – Launch Noise Player To launch Noise player use GUI icon or use the following command to start it and enjoy audio/videos. noise Congratulation’s!…

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Warning – Java 7 is officially deprecated by Oracle team. It is no more available for download on the public network. The Oracle team recommends upgrading to Java 8 or Java 9. You can follow below tutorials to install accordingly. JAVA 8 – Install on Ubuntu, LinuxMint JAVA 9 – Install on Ubuntu, LinuxMint This article will help you to Install Oracle JAVA 7 (JDK/JRE 7u76) on Ubuntu 14.10, 14.04 LTS and 12.04 LTS and LinuxMint systems using PPA File. To Install Java 8 in CentOS, Redhat and Fedora read This Article. Install JAVA Add the webupd8team Java PPA repository…

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TLP is an advanced Power Management Tool for Linux systems. It can be a best tool for you if you are using laptop with Linux operating system. This article will help you to install TLP on Ubuntu 14.10, 14.04 and 12.04 system. Features: TLP is a pure command line tool with automated background tasks I/O scheduler (per disk) USB auto suspend with blacklist Enable/disable integrated wifi, bluetooth or wwan devices upon system startup and shutdown Restore radio device state on system startup (from previous shutdown). Radio device wizard: switch radios upon network connect/disconnect and dock/undock Disable Wake On LAN WWAN…

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Time zones play a crucial role in ensuring that the system clock displays the correct time, particularly in a multi-user environment. Keeping the system time in sync with the right time zone helps to avoid confusion, reduce errors, and enhance the reliability of your systems. In this article, we will cover the steps involved in configuring the time zone in CentOS Steam 9/8 and other RHEL-based systems, which is a popular Linux distribution used in enterprise environments. Before we get started, it is important to note that you will need root access to your system to perform the steps outlined…

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The RPMForge repository has been dis-continued. Please use other yum repositories. Use the below link to find useful yum repositories Top 5 Yum Repositories RPMforge is a collaboration of Dag and other packages. It provides a large number of packages for CentOS and RHEL systems. This article will help you to how to add rpmforge repository on your CentOS/RHEL 7/6/5 systems. To install more yum repositories visit article top 5 yum repositories.

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As a system administrator, one of the essential skills you need to master is the ability to efficiently manage and troubleshoot servers. This includes knowing how to restart a Windows Server using command-line tools. This article delves into various methods and tricks to restart Windows Server using the command line, a crucial technique for quick and effective server management. Commands to Restart Windows Server To reboot a Windows server using the command line, you can employ the /r switch with the shutdown command. This article provides various examples of how to use command line instructions to restart Windows systems. Restart…

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Linux is an operating system that is widely used in server environments, and it is becoming increasingly popular for desktop use as well. If you are new to Linux, you may be wondering how to shut down or reboot the system. In this article, we will provide you with a beginner’s guide to shutting down or rebooting Linux with step-by-step instructions. Step 1: Open the Terminal To shut down or reboot Linux, you need to open the terminal. The terminal is a command-line interface that allows you to interact with the system. To open the terminal, you can use the…

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YUM ( Yellowdog Updater, Modified ) is a command-line package management utility for RPM-based Linux systems, It has been released under the GNU General Public License. Yum is useful for RPMs which have dependencies, Yum searches for all dependencies of any RPM in all available repositories. Below list contains top 5 yum repositories (RPMFusin, EPEL, REMI, ELRepo, Webtatic) for RHEL based systems with installation links, which we need to keep our system up to date with latest packages. These repositories having most of the RPMs required for servers. #1. Adding RPMFusin Repository The RPM Fusion repository provides the packages that…

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