A reverse proxy is an intermediary server that allows clients to reach content hosted on another server more efficiently and securely. It is commonly used with websites but can be used with any kind of network endpoint that requires dynamic incoming connections from many different sources. Before Start I am using Ubuntu 22.04 Linux system running in Virtualbox. You can also buy the VPS instance from DigitalOcean at low prices....
Step 1 – Prerequsities Java is the primary requirement for running Hadoop on any system, So make sure you have Java installed on your system using the following command. If you don’t have Java installed on your system, use one of the following links to install it first. Install Oracle Java 11 on Ubuntu 18.04 LTS (Bionic) Install Oracle Java 11 on Ubuntu 16.04 LTS (Xenial) Step 2 – Create User for Haddop We recommend creating a normal (nor root) account for Hadoop working....
Scheduling a Cronjob for Sunday. The day of the week is determined by the fifth section of the cron timer. You can specify a day by using numbers such as 0-7, where 0 and 7 both correspond to Sunday, 1 is Monday, 2 is Tuesday, and so on. We may also refer to the first three letters of the day like sun, mon, etc. The cron daemon can be configured to run shell scripts at 07:30 AM every Sunday using the following line:...
10 Best Linux Server Distributions 10 Best Linux Desktop Distributions 5 Best Linux Distributions that Looks Like MacOS 5 Most Stable Linux Distributions We are going to see the top 5 Linux distributions to replace Windows 10 and 8. 1. Zorin OS The first and the best OS you can use as an alternative to Windows is the Zorin OS. It’s very similar to Windows 10 as well as 8. One of the cool things about the OS is that you will also get a feel of Mac here....
Remove Double Quote from a String The sed command line utility helps to easily handle this. A single-line sed command can remove quotes from the start and end of the string. The above sed command executes two expressions against the variable value. The first expression ’s/^"//’ will remove the starting quote from the string. Second expression ’s/"$//’ will remove the ending quote from the string. Remove Double Quote and Store Output The result will be printed on the terminal....
In Bash, there are several ways to append data to the end of a file. Here are two common methods that you can use: Method 1: Using the “echo” command The “echo” command is a built-in Bash command that is used to display text to the terminal. It can also be used to write text to a file. To append text to a file using the “echo” command, you can use the “»” operator to redirect the output of the “echo” command to the file....
To find all files on the server owned by that user run the following command. Replace $USERNAME with the actual username to whom you need to search files. This command will search files owned by a particular user in entire file system. So it will take a long time. It is a good idea to store output to a files instead of showing on terminal. All the files owned by the given username will be stored user-files....
Step 1 – Prerequisites Login to your Debian 9 server using sudo privileges or root user on the command line. After login to your Debian system upgrade the current packages to the latest available version. Also, install the below packages on your system required for commands next in this tutorial. Step 2 – Install Apache2 The Debian 9 base repositories contain Apache 2.4 packages. You can simply install Apache2 packages by running the following commands on your Debian 9 system....
Recommended Article: Step 1 – Prerequsities First of all, you need to add some required rpm repositories on your system. Use one of the below commands as per your operating systems. Step 2 – Install Apache/PHP After enabling the required yum repositories on your system. Now install the Apache and PHP packages on your system. This will install the latest available packages on your system. For CentOS and RHEL 7/6 For Fedora 31/30/29/28/27/26...
The Docker official team provides PPA for installing Docker on Ubuntu 20.04 using PPA. You just need to configure Docker PPA to your system before installing Docker on Ubuntu system. This tutorial will help you to install Docker on Ubuntu 20.04 LTS Focal Fossa systems. Prerequisite Login to your Ubuntu 20.04 system with sudo privileged user. Then run the following commands to install required packages. Step 1 – Installing Docker on Ubuntu First of all, import the GPG key to your system to verify packages signature before installing them....
This tutorial will help you to install Go 1.17 on your Ubuntu 19.10, 18.04 LTS, 16.04 LTS, and 14.04 LTS systems. Step 1 – Install Go on Ubuntu Login to your Ubuntu system using ssh and upgrade to apply latest security updates there. Now download the Go language binary archive file using following link. To find and download latest version available or 32 bit version go to official download page....
In this blog post, you will learn to install different-2 Java versions on macOS using Homebrew. Pre-Requisites Before starting the installation of Java using this tutorial you must have the following prerequisites Terminal: You must have Mac Terminal access and little knowledge about working with the terminal application. Ao login to your Mac system and open terminal Homebrew: This tutorial relies on Homebrew, So you must have homebrew installed. Homebrew can be installed with a single command....
Nginx Installation Nginx packages are available under default repositories. SSH to your Ubuntu 18.04 LTS system with sudo privileges account and install Nginx web server from the official repository. PHP Installation For the PHP installation we recommend to use ppa:ondrej/php PPA, which provides latest PHP versions for Ubuntu systems. Use the below couple of commands to add the PPA to your system. Then install PHP 7.3 the latest version available on the day of writing this tutorial....
Prerequsites New system’s recommended to follow initial server setup. Shell access to the CentOS 8 system Step 1 – Disable SELinux Before starting, it is a good idea to disable the SELinux in your system. To disable SELinux, open the /etc/selinux/config file: Change the following line: Step 2 – Install Apache/MySQL/PHP To set up ownCloud you must have running LAMP server on your CentOS 8 system. If you already have running LAMP stack skip this step else use the following commands to install it....
Note: Spotify do not provides its services in multiple counties all over world including India. Install Spotify using Snap Spotify application is also available in Snap for easier installation. You can install Spotify using Snappy quickly from the command line. This will install all required dependencies on your system automatically. You can also install Spotify with regular Ubuntu package manager describes below. Install Spotify using Debian Package You can also use the current Debian package manager to install Spotify on Ubuntu and LinuxMint operating system....
Recommended => Install Visual Studio Code Editor in Fedora Features Below is some listed available features in Sublime text. You can also visit sublime text website for more details. Editing files side by side. Sublime Text is available for various plateform including OS X. It provides functionality to find and replace with regular expressions. We can make batch edits with multiple Selections. Using sublime multiple selections, we can rename variables quickly....
This article will help you to install latest Webmin on Ubuntu 20.04 LTS system. Prerequisites First of all, login to your Ubuntu 20.04 system with sudo privileged account. Then update the Apt cache and install required packages on your system. Step 1 – Installing Webmin on Ubuntu The Webmin official team provides Debian package of Webmin to install on Ubuntu systems. Also, they provides Apt repository for installing Webmin on Ubuntu systems....
The writelines() method in Python is a method that is used to write a list of strings to a file. It is a method of the File object in Python, which represents an open file. With writelines(), you don’t have to worry about formatting the lines correctly – it does it for you. All you have to do is provide a list of strings and the writelines() Method will handle the rest....
The Linux operating system offers a simple command line interface for managing the system. There are shells such as Bash, CSH, and Zsh that accept commands from the user and route them to the kernel. A command is used to perform some function on the system. We may also specify multiple shells at once and execute them one after the other. There are three distinct options available using the separator operators....
In this article, we will explore different ways to check the exit status of a command in Bash, including using the $? special variable, using the && and || operators, and using scripts and functions. Understanding how to check the exit status of a command in Bash can be helpful in various scenarios when working with Bash. Checking If a Command Succeeded in Bash In Bash, you can check if a command succeeded or failed by examining the exit status of the command....
