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What is macOS? macOS is an operating system by Apple that powers Mac computers. It’s available in two major versions: macOS Sierra (for Mac OS 10.12 and later) and OS X El Capitan (for Mac OS 10.11 and earlier). You can also find macOS on other devices like Apple TV, Apple Watch, iPhone, iPad, and iPod touch. The history of macOS goes back to 1984 when Apple released the first Macintosh computer with a new operating system called the Macintosh Operating System (MOS)....

Problem While using the wget with cron job saved the downloaded files under home directory. Due to this a large number of junk files get created in your system. Solution Use -O option with wget command to write the result file (data) to specific file and location. Next select /dev/null device file as target file. This will discard anything written to it. In result, no junk files will be created in your home directory....

In this tutorial, you’ll learn different techniques to print the elements of a given array in Java. Let’s discuss the above methods one by one including examples. 1. Java Arrays.toString() Method The Arrays.toString() method is the simplest and frequently used method to print an Array in Java programming. Save above java program in ArrayExample1.java file and compile it and run. You will see the output like below: 2. Using Arrays....

The gdm3, lightdm, and sddm are some popular display manager programs. gdm3 is the default for Gnome desktops, and sddm is the default used by KDE desktops. The lightdm is the lightweight cross-desktop display manager. This tutorial will help you to change the default display manager in your Ubuntu desktop system. Changing Default Display Manager in Ubuntu Before doing changes, this will be good to enable the ssh server on your system....

Instructions In this tutorial, you will understand how to configure passwordless sudo account on a Linux machine. After completing this tutorial, you can run super user commands (allowed) without entering a password. Edit sudoers file using visudo command or use below command.sudo nano /etc/sudoers Update entry for your user account with NOPASSWD: option as showing below:username ALL=(ALL:ALL) NOPASSWD: ALL Change username with your user account and save file. Test All done, to test run any superuser command with sudo....

Every GUI-based Linux distribution has its default desktop environment which is Gnome in the case of Fedora. This desktop environment can be changed by the users if it is not to their liking. In this post, we will learn to install and set up a desktop environment on a Fedora-based system How to Install a Desktop Environment on Fedora First of all, we will fire up the terminal and execute the following command to list all of the desktop environments that are available on our system: There are many great environments available and you can choose any of the desktop environments listed under the Available Environment Groups and download them using the default dnf package manager of Fedora: sudo dnf install [@environment-name] In this example we will install the basic-desktop-environment: The desktop environment has been successfully installed on our system....

Step 1 – Initial Setup Step 2 – Install Apache 2.4 The httpd package will install Apache (HTTPD) web server and the mod_ssl added the extension, that will provide cryptographic support to the web server. Once the installation is finished, You need to enable httpd service to auto-start on system boot. Also, start the service once. Step 3 – Installing PHP Once the extras repository is configured on your system. Search for the available PHP versions under the extras repository....

This tutorial describes the installation and configuration of two VirtualHost on Apache with separate PHP versions. First VirtualHost will work with PHP 5.6 and another VirtualHost will run with PHP 7.2. So just go through this tutorial. You can also use more than two PHP versions with Apache as required but this tutorial covers two only. PHP Installation For the installation of PHP versions, we use the PPA maintained here....

This tutorial helps you with the installation and configuration of two VirtualHost on the Nginx web server with different PHP versions. First VirtualHost will work with PHP 5.6 and another VirtualHost will run with PHP 7.2. So just go through this tutorial. You can also use more than two PHP versions with Nginx as required but this tutorial covers two only. PHP Installation For the installation of PHP versions, we use the PPA maintained here....

1. Prerequisites To install Nginx on Debian 8, you must have root or sudo privileged user access to your system. For the remote systems can use ssh command or putty for Windows user to login. 2. Install Nginx on Debian 8 The Nginx latest packages are available under default repositories for all Ubuntu’s versions, You can directly install them by running following commands After installation of Nginx service, run below command to check the status of Nginx service....

Install Oracle Java 8 on Ubuntu 6.04 Xenial Step 1 – Prerequsities Before beginning the installation run login shell as the sudo user and update the current packages installed. Step 2 – Install Java 11 on Ubuntu 16.04 You need to add the following PPA to your Ubuntu system. This PPA contains a package oracle-java11-installer having the Java installation script. Then install Java 11 using the script provided in these packages....

PyCharm is loaded with with IPython interactive Python console. This IDE is highly recommended for modern web development frameworks such as Django, Google App Engine, Flask, web2py, and Pyramid. This IDE is available in community and professional editions. Both are available on Snapcarft for the installation. Community is free to use but professional needs a license. This tutorial will help you to Install PyCharm on Debian 10 Linux system....

This tutorial will help you to install the Redis on Debian 11 (Bullseye) Linux system. Updating System Packages It’s a good practice to keep packages up to date on your system. You should always update the before beginning any major installations. Issue the command below: Installing Redis on Debian 11 Redis 6.0 packages are available under the default Bullseye repositories. You can quickly install Redis by using the apt package manager on your Debian Linux system....

A Debian package is build by the its development team and available for the installation on Ubuntu and Debian systems. The package an be downloaded from TeamViewer website without any cost. This tutorial described you to how to install TeamViewer on Debian 9 (Stretch) Linux system. Prerequisites A running Debian 9 system with desktop access. Sudo privileged account access. Install TeamViewer on Debian 9 First of all, download the latest aavailable version of TeamViewer Deabian packages from its official download page....

VLC comes with multiple great features like play internet radio, podcasts, and YouTube videos. It also provides you option to convert videos. You can also extend its features by adding extensions. This tutorial will describe you to how to install VLC media player on Ubuntu 20.04 LTS Linux system. Install VLC on Ubuntu 20.04 VLC is available as snap package for the installation. Snap daemon service is already available on Ubuntu 20....

XRDP is an easy-to-install and configurable service for Ubuntu systems. But you can also use a VNC server to access the remote desktop of the Ubuntu systems. Find a tutorial to install a VNC server on Ubuntu 20.04 systems. This tutorial helps you to Install Remote Desktop (XRDP) on Ubuntu 20.04 Linux system. Also provides the instructions to install a Desktop environment on your system. Step 1 – Install Desktop Environment By default, Ubuntu Server does not have an installed Desktop Environment....

SSH or Secure Socket Shell is a network protocol used to access a system or server remotely in a secured way. It is an application layer protocol and it enables you to access another machine without physical access remotely via the internet. With SSH you can issue remote commands, transfer files, connect to remote servers, and can communicate between two computers in an encrypted way. You can log in to your remote SSH server by types:...

SSH works by installing SSH server and SSH application respectively on destination(remote) and source(Client) machine. After installing the SSH application on the client-side, you can provide information related to the remote server. On the server-side, There will be an SSH daemon that continuously checks for specific TCP/IP ports for client connection requests. Once the client initiates the connection requests with the right credentials, the SSH daemon starts exchanging the identification data with the client to establish a secured remote connection....

That’s the purpose of functions, they’re pieces of code only defined once for a particular task and come with reusable functionality so that users can call them whenever they want to perform a task. This makes your program understandable and debugging easier. Sometimes functions require some input and sometimes they may or may not return some value, but all of these vary from function to function and the task assigned to that specific function....

This is particularly simple to achieve in e-commerce, due to the fact that customer-friendliness tends to be a lot simpler than a more general term user-friendliness. This is also why more and more Australian e-commerce and retail businesses invest heavily in this field as a part of their marketing efforts. With that in mind, here are several tips on how creating a positive CX (customer experience) may help you boost your Google rank....