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A snap package is available for the NetBeans installation on Ubuntu 18.04 Linux system. This tutorial will help you to install NetBeans IDE on your Ubuntu 18.04 Desktop system using snap package. Prerequisites Login to your Ubuntu 18.04 Desktop system with sudo privileged account. Then launch a terminal on your system. Step 1 – Installing Java You must have Java installed on your system to run NetBeans IDE. If you don’t have Java installed on your Ubuntu system, use the following commands to install Java....

pgAdmin4 is a client application used for managing PostgreSQL servers graphically. It is available as a desktop application for Linux desktop systems as well as a web application. Which provides a beautiful and easy-to-use web interface and helps us to increase productivity. This article will help you to install the PostgreSQL server on Fedora 34/33 Linux system. Also, provide you the instructions to install pgAdmin4 on the Fedora system. This article has been tested with the Fedora version 34....

This tutorial will help you to how to install Python 3.10 on Ubuntu, Debian, and Linux Mint systems using source code. Prerequisites First of all, Log in to your Debian-based system with sudo privileged account access. Open a terminal (CTRL+ALT+T) and execute the below commands to update packages. Then install the required packages for the compilation of Python source code. Installing Python 3.10 with Source Download the latest Python version source code from the official websites....

Step 1 – Prerequsities First of all, install all the required packages for the Ruby installation on your CentOS 8 system. Use the following command to install the required packages: Step 2 – Install RVM We can install RVM using a shell script provided by the core team. Now, install the latest stable version of RVM on your system using the following commands. Before installing packages import GPG key on your machine....

Step 1 – Prerequisites Login to your Debian system using GUI or use ssh for remote hosts. Then install some pre-required packages. Step 2 – Install RVM Before installing RVM first we need to import public key in our system then use curl to install rvm in our system. After installing RVM first we need to set up rvm environment using below command. so that current shell takes new environment settings....

Why are security updates so important to install? Your computer’s vulnerabilities are fixed with the help of security updates. These updates protect your system from local and remote threats. When developers found any vulnerability, they try to fix it quickly and then distribute the “quick fix” as a security update for you to install it as soon as possible. As those vulnerabilities become public, permitting the potential attackers to exploit them....

A Debian package is build by the team viewer team and available for the installation on Ubuntu and Debian systems. You can download it from TeamViewer website with no charge. This tutorial help you to how to install TeamViewer on Debian 10 (Buster) Linux system. Prerequisites A running Debian 10 system with desktop access. Sudo privileged account access. Installing TeamViewer on Debian 10 First of all, download the latest aavailable version of TeamViewer Deabian packages from its official download page....

The zoom client allows you to join meeting without sign in to the application. To start a new meeting, you would required to login to the application. Visit zoom.us to create account. This tutorial will help you to install Zoom client on your Ubuntu system. Prerequisites In this tutorial, you will install Zoom client application on Ubuntu using snap packages. So, you must have install Snapd service on your system....

The Laravel comes with a powerful command-line utility known as Artisan. Which is useful to perform multiple command-line operations. This guide will help you to set up a new Laravel application on a Ubuntu Desktop system. Step 1 – Set Up LAMP Stack First of all, you need to set up the LAMP stack on your Ubuntu system. Laravel required PHP 7.2.5 or higher version to be installed. Follow the below instructions to install all required packages and services on your system....

filename is the name of file or url. 2. include_path if enabled, Search for the file in the include_path as well 3. context this is set of options to modify the behavior of a stream 4. offset this value specifies starting position of file to read. 5. maxlen this value specifies number of bytes to read. Syntax PHP file_get_contents() function uses following syntax. Read File Content to String This php example script will read content from file and store into string variable....

Furthermore, Linux Terminal Emulator is the most ideal approach to study commands of Linux without having a trained subsystem of Linux. There are no online terminals and bash editors accessible in the market to execute several commands and examine the results. If you don’t have a Linux system then you can explore the basics of system or test scripts and much more. Moreover, online terminal emulators and bash editors will assist you with excursion from this circumstance....

The most common use case for HDFS is storing large collections of data such as image and video files, logs, sensor data, and so on. Creating Directory Structure with HDFS The “hdfs” command line utility is available under ${HADOOP_HOME}/bin directory. Assuming that the Hadoop bin directory is already included in PATH environment variable. Now log in as a HADOOP user and follow the instructions. Changing File Permissions with HDFS You can also change the files ownerships as well as permission in the HDFS file system....

Tomcat have a context file for each deployed web application under the conf/Catalina/localhost directory. It has the file with the same name as the web app like manager.xml or host-manager.xml. So, if the file is not present, you need to create a file conf/Catalina/localhost/manager.xml and specify the rule to allow remote hosts. Add the following content. You also need to create an XML file for the host-manager web app to allow access for remote hosts....

Before beginning this tutorial, you must have to install below package on your system. Use one of the following commands to install poppler package As you have installed required packages on your system. Let’s start converting pdf file to images via Linux command line. Syntax A basic syntax to convert a pdf file to image looks like: Here: options – Define options like image format -png, -jpeg etc. PDF-file – Input PDF file image_name – Set a name for output images...

#1. Using Integer.parseInt() Integer.parseInt() converts string value and returns an int primitive as result. For below example, first, we store 5 as a string value to id variable. Then convert it to integer and save to result variable. Save the above content in ConvsertStringToInt1.java file and compile and run this program. Compile: Run: #2. Using Integer.valueOf() Integer.valueOf() also uses Integer.parseInt function in backend but in result, it provides and Integer object value....

Step 1 – Understand Return Codes Every Nagios plugin must return with a status code which is called return code. On the basis of return codes, Nagios core service takes decisions and appropriate action for the corresponding host or service. Hosts: Return Code / Host status 0 => UP 1 => DOWN Other Maintains last known state Services: Return code / Service status 0 => OK 1 => WARNING 2 => CRITICAL 3 => UNKNOWN Other CRITICAL : unknown return code...

Delete Last Few Commits from Local Git Repo To delete the last 5 commits from a Github repository, you can use the git rebase command as follows: Delete Commits from Remote Repository Too Remove the dropped commits from the remote repository. Push the changes forcefully to the remote repository. Keep in mind that deleting commit history is a destructive operation, as it permanently removes commits from the repository. It is generally not recommended to delete commit history unless it is absolutely necessary....

Prerequisites You must have enabled Apache headers modules. For the Ubuntu and other Debian based systems execute the following command to enable headers modules. Enable CORS in Apache Set Access-Control-Allow-Origin (CORS) authorization to the header in Apache web server. Add the following line inside either the , , sections under in Apache configuration files. You can also place this inside the .htaccess file. Example To allow Access-Control-Allow-Origin (CORS) authorization for all origin domains for all files inside a directory....

Read this: How to Install CSF Firewall on Linux Step 1 – Install Required Perl Modules: CSF UI required some of Perl modules to be installed on your system. Use the following commands to install required modules as per your operating system. Debian based systems: Redhat based systems: Step 2 – Enable CSF Firewall Web UI: To enable CSF web UI edit /etc/csf/csf.conf file in your favorite text editor and update the following values....

Requirements:- PHP 5.5.9 or greater (including PHP 7). PHP mbstring extension PHP intl extension MySQL (5.1.10 or greater) Step 1 – Install LAMP Server You can skip this step for the system having LAMP setup already. If you don’t have LAMP installed on your system proceed with the following commands to Setup LAMP on your Linux Server. Step 2 – Install Composer Now CakePHP is using composer for managing dependencies....