POP3 (Post Office Protocol 3) and IMAP (Internet Message Access Protocol) both are protocols works as message accessing agent. These protocols are used to the fetch email message from user inbox on mail servers. In simple words, POP3 and IMAP are responsible to fetch messages from mailboxes and show you on your mobile device or web interface. This tutorial will help you to install and configure Dovecot service on Debian 10 system....

Elasticsearch is used to store and search all kinds of documents. It supports full-text search completely based on the documents instead of tables and schema. This tutorial will help you to setup Elasticsearch single node cluster on CentOS 8 and RedHat 8 systems. Prerequisites 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....

Step 1 – Search Java Packages The OpenJDK rpm packages are available under the AppStream repository. Use the following command to search available Java packages under configured yum repositories. Step 2 – Install Java 11 on CentOS Now, use one of the following commands to install the required Java version on your CentOS 7/6 and RHEL 7/6 Linux system. You can also install the multiple Java version on any system and use it as per your requirements....

This tutorial helps you to install the Let’s Encrypt client on CentOS 8 Linux system. Prerequisites Before installing Certbot on CentOS 8, You must fulfill: A CentOS 8 Linux system with sudo user access. Apache (HTTP) web server with virtual host configured with a domain. Domain or sub-domain must be pointed to web server IP address. Step 1 – Enabling EPEL Repo The EPEL repository contains updated certbot packages for the rpm-based systems....

A shell script is provided by the official team for easier installation of Netbeans on Linux systems. However, we can also use the Snap package to install the latest NetBeans IDE on the Fedora system quickly. This tutorial will help you to install NetBeans IDE on a Fedora system using the Snap package manager. Prerequisites A Running Fedora with Desktop access. Minimum 2GB RAM required. The Java Development Kit (JDK) stable versions (8, 11), or the latest unstable version....

Like you have a group of computers in a remote location. Now you need to access those computers as a LAN network in your system. Also, you need all data should be encrypted during transfer between computers. The solution is a VPN. You can use a VPN network to connect two remote location systems with each other as they are on the same LAN. This tutorial will help you to install and configure the OpenVPN server on Ubuntu, Debian, and Linux Mint systems....

This tutorial will help you to install Redis server along with PHP extensions on an Ubuntu 20.04 LTS system. Prerequisites Before beginning the Redis server installation on Ubuntu 20.04: Login to Ubuntu as sudo privileged user For the newly installed systems, required to complete initial server setup Step 1 – Install Redis ServerRedis packages are available under the default apt repository. For the installation of Redis on an Ubuntu VPS....

In some countries tor is illegal to use or blocked. So before using Tor browser, be sure its allowed to use in your country. As of today, Tor is not illegal to use in United States and India. This article will help you to install Tor browser on Ubuntu 20.04 Linux system. Installing Tor Browser on Ubuntu Tor browser launcher makes easier to install and use Tor Browser on GNU/Linux users....

The Winehq team provides PPA for installing Wine on Ubuntu systems. So we will use official wine PPA for the package installation. This tutorial describes you to how to install Wine on Ubuntu 20.04 LTS systems. To install wine on previous Ubuntu version follow this article. Prerequisites You must have sudo privileged account access to Ubuntu 20.04 LTS system. Step 1 – Setup Wine PPA First of all, The systems running with the 64-bit architecture need to enable 32-bit architecture....

Please note that not all antennas require adjustment, as some may already be properly tuned from the factory. SWR meter: You’ll need an accurate SWR meter, such as the Surecom SW-33 MK2 or Nissei RS-40, both of which we’ve used with good success. (See notes below on choosing the correct meter for your radio.) Depending on your model of transceiver, you may need to purchase an antenna connector adapter and short length of cable to connect to your radio’s output....

You might want to make animated GIFs because they are popular, easy to share and interesting. On places like Twitter they often get more views than videos and static photos. People search for them. The animation I made from a video gets more views than the HD video. When I send GIFs in an email or text people can watch them. Animated PNGs and videos don’t play in an e-mail or text....

This article will help you to monitor EC2 Linux instance memory and disk metrics with AWS CloudWatch. Remember this will not work on any Linux machine outside the EC2 network. Prerequsiteis For this tutorial, you will use the Perl scripts provided by AWS team, These scripts have some dependencies. You can use the following commands to install these dependencies as per your operating systems. Redhat Based Systems: Debian Based Systems: SUSE Linux Enterprise Server...

Node.js applications also accept command-line arguments like any other programming language. By default, Node.js is able to handle your arguments but if you want some extra features then you can use third-party tools and packages like yargs and minimist. In this article, we will see how you can parse command line arguments in Node.js using process.argv, yargs, and minimist. What are Command Line Arguments? A command-line argument is a string of additional information or commands that are passed into a program while running it through the Command Line Interface(CLI) of an OS....

I’ve also included screenshots with each step to help you pinpoint how to access the game, so these should help you out! Let’s get started! 1. Visit Discord’s 404 Page Their snake game is available on their 404 page. A 404 page is a webpage displayed when a particular requested page can’t be found. In order to reach this page, you’ll need to go to a page that doesn’t exist, for instance: https://discord....

If you want to print multiple statements on the same line, you can use the end parameter of the print() function to specify a string that should be printed at the end of the output. By default, the end parameter is set to a newline character, but you can change it to any string you like. Here’s an example of how to use the end parameter to print multiple statements on the same line:...

Malware is short for “malicious software.” It is a file or piece of code that can almost perform any action an attacker desires, and is generally distributed via a network. Additionally, there are many ways to infect computers due to the wide variety of viruses. Malware typically aims to do one of the following things, despite its diverse nature and capabilities: Give an attacker remote access to a compromised machine....

The Marshmallow firmware is new so, there are not much methods to root it. But thanks to the Chainfire’s Super SU who has always been there for our devices to root on the latest firmware. The method I will show you to root LG G3 D855 is not that difficult. I will give you the step by step full instructions to Root your LG G3. We will install Super SU....

Inform Your Children of Online Risks Make it clear to your child that they can come to you with any queries or worries about any actions or issues they may have had while using the computer. Children should also be informed about the risks associated with the internet so that they can spot any unusual behavior or activities. Talk about the advantages of just interacting and exchanging information with individuals they know, as well as the hazards of disclosing certain sorts of information (such as the fact that they are home alone)....

In order to use MongoDB for our projects, we will first need to install it on our system along with its dependencies and some other tools. In this post, we will learn to install and set up Apache, PHP, and MongoDB on Ubuntu and Debian operating systems. Installing Apache First of all, we will install Apache on our system. Apache is a web server software and a popular HTTP client; it helps in creating virtual hosts....

The Lollipop OS is packed with many new changes and features. I have heard many reviews about Lollipop on Galaxy J7 that it runs very smooth and stable. The UI is changed in the Lollipop Update, performance is good, some of the performance issues like lockscreen not responding, overheating, camera lag is now fixed in the new 5.0.2 update for Galaxy A7. Now let us proceed to update Galaxy A7 A700F to 5....