Author: Rahul

For Linux, Adobe Flash Player 32 is available to install. Use this article to install Adobe Flash Player plugin on Ubuntu system. Flash player is useful for playing videos on the web browser. Installing Flash Player The latest flash player is available under default apt repositories. You can simply install it by executing the following commands. sudo apt-get update sudo apt-get install flashplugin-installer The above commands will also download and install browser integration for the flash player.

ifconfig command is useful for getting details of the network configuration in Linux-based systems. Mostly when I install an older version of Linux operating systems, ifconfig command packages were default installed during installation of the operating system but when recently I installed CentOS 7 operating system, ifconfig command was not installed default with operating system installation. Install Package for ifconfig Command ifconfig command comes from net-tools rpm package. Install this package using following command which is available under default repositories. yum install net-tools Getting Interface Information using ifconfig Now use ifconfig command to check network configuration details. Below command will…

Blocking Ping (ICMP) responses in Linux can be an effective way to improve security and reduce unnecessary network traffic. Ping is a commonly used network diagnostic tool that sends a packet to a network device and waits for a response. By default, Linux systems respond to Ping requests, but you can disable this feature using the following steps. Step 1: Check if ICMP is enabled Before you proceed with the steps, you need to check if ICMP is enabled on your system. To do this, open a terminal and type the following command: sysctl net.ipv4.icmp_echo_ignore_all If the output is net.ipv4.icmp_echo_ignore_all…

Apache Hadoop 2.6.5 noticeable improvements over the previous stable 2.X.Y releases. This version has many improvements in HDFS and MapReduce. This how-to guide will help you to install Hadoop 2.6 on CentOS/RHEL 7/6/5, Ubuntu and other Debian-based operating system. This article doesn’t include the overall configuration to setup Hadoop, we have only basic configuration required to start working with Hadoop. Step 1: Installing Java Java is the primary requirement to setup Hadoop on any system, So make sure you have Java installed on your system using the following command. # java -version java version “1.8.0_101” Java(TM) SE Runtime Environment (build…

In the realm of text processing and data manipulation, Unix-like operating systems offer a powerful tool called SED, or the Stream Editor. Primarily used for parsing and transforming text, SED is an essential utility for system administrators, developers, and data analysts. One of its key functions is the ability to delete lines containing a specific string. This article provides a comprehensive guide on how to accomplish this task efficiently. Why Use SED for Deleting Lines? Deleting lines containing specific text is a common task in text processing. SED is particularly well-suited for this job because: Efficiency: SED processes data streamingly,…

PostgreSQL is an open source object-relational, highly scalable, SQL compliant database management system. PostgreSQL is developed at the University of California at Berkeley Computer Science Department. This article will help you for installing PostgreSQL on CentOS, RHEL and Fedora Systems. Adding PostgreSQL Yum Repository The first step is to install PostgreSQL repository in your system, Use one of below commands as per your system architecture and operating system. ### CentOS/RHEL 7 ### rpm -Uvh http://yum.postgresql.org/9.6/redhat/rhel-7-x86_64/pgdg-redhat96-9.6-3.noarch.rpm ### CentOS/RHEL 6 ### rpm -Uvh http://yum.postgresql.org/9.6/redhat/rhel-6-x86_64/pgdg-redhat96-9.6-3.noarch.rpm ### Fedora 26 ### rpm -Uvh http://yum.postgresql.org/9.6/fedora/fedora-26-x86_64/pgdg-fedora96-9.6-3.noarch.rpm ### Fedora 25 ### rpm -Uvh http://yum.postgresql.org/9.6/fedora/fedora-25-x86_64/pgdg-fedora96-9.6-3.noarch.rpm ### Fedora 24 ###…

A while loop is a fundamental control structure in Bash scripting that allows you to execute a block of code repeatedly as long as a certain condition is true. The while loop is an essential tool in any Bash programmer’s toolbox, and is used to automate tasks, perform operations on collections of data, and implement complex algorithms. In Bash scripting, while loops can be used to perform a wide variety of tasks, such as reading and processing files, generating reports, querying databases, and interacting with users. while loops are also often used in combination with other Bash control structures, such…

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…

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…

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!…