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Step 1 – Install EPEL Repository NRPE packages and plugins are available under EPEL yum repository, Enable EPEL repository using one of below commands. Step 2 – Install NRPE and Nrpe-plugins After enabling EPEL repository, use following commands to install NRPE and plugins in your system. We also need to install commands which NRPE executes for monitoring services. Use the following command to get a list of available commands packages. Install the required packages on your remote system....

This tutorial will help you to install and configure the Tomcat 9 server on CentOS 8 and RHEL 8 Linux systems. Prerequisites Shell access sudo priviledged account access Step 1 – Install Java Java is the primary requirement for running Tomcat 9 on CentOS 8 Linux system. Make sure you have Java 8 or higher version installed in your system. Use the following command to install OpenJDK on your system....

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 on Ubuntu 20.04 LTS Linux system. Step 1 – Install Zoom on Ubuntu Zoom client is available as snap package for the Ubuntu 20.04, 19.10, 18.04 & 16.04 LTS systems....

Michael H When a program learns how to create art by practicing, it is referred to as AI-generated art. A form of artificial intelligence called deep learning can allow a computer program to get better at a task by doing it over and over again. Before the results are passable or pleasing, the program may need to run thousands of times. You can quickly get a computer program to create AI art for you by using pre-trained models....

First, the background should be removed properly without leaving any traces. Second, the background removal process shouldn’t take too long to execute especially if you’re just using an online tool. Other than that, you should make sure that the quality of the final image should remain the same as the original image. It shouldn’t look grungy or pixelated. Why Remove Background From Images? Removing background from images serves many purposes....

You can use NetworkManager for the configuration of the following connections types like: Ethernet, wireless, mobile broadband, and DSL and PPPoE (Point-to-Point over Ethernet). It also allows the configuration of the network aliases, static routes, DNS information and VPN connections on Linux systems. This tutorial will help you to Start/Stop and Restart network services on Ubuntu Linux system. Restart Network on Ubuntu 20.04 You can restart the network service with the command line interface as well as using the Desktop interface....

Java is one of the premier programming languages of the world. Developed by the Oracle Corporation, it is a high-level Object Oriented Programming(OOP) language and was based on the concept of Write Once Run Anywhere (WORA). Although it is a mixture of C and C++, it does not possess the same low-level facilities available. Java is a general-purpose language used for different objectives such as mobile application development, website development, gaming application development, cloud computing, etc....

Now the scripts inside /etc/local.d/ directory with suffix .start will be executed at system startup and all the scripts with suffix .stop will be executed during system shutdown. First make sure you have enabled local.d scripts using below steps. Enable local.d Scripts To start the local.d scripts at boot time, add its init.d script to the default runlevel Now start the service by making OpenRC check for stopped services in the default runlevel:...

This technique comes in handy when you need to create complex table structures. Normally, when you need the cell in your Microsoft Excel Workbook to be split diagonally, you have two text values to be entered in that cell: one indicating the data in columns on the right, and the other indicating the data in the rows below. In our example today, let us assume the data we are using is a list of authors and the number of books published by them in different year ranges, where:...

SSH for Linux RDP for Windows In this tutorial, we will see how to use SSH to connect to a remote server? What is SSH? SSH stands for Secure Socket Shell and it is a network protocol used to access a system remotely in a secured way. SSH is an application layer protocol and it allows you to access another machine without physical access. Simply, you can control the servers remotely via the internet....

Check it out in this video posted by Andrew McCarthy, who goes by the TikTok handle @cosmic_background. “I show the Hubble photo first, then mine,” he explains. WATCH VIDEO HERE Comparing the Hubble photos with the video creator’s photos, one user writes in the comments, “I liked your Needle Galaxy more.” “Thank you!” replies McCarthy. “I had incredible conditions when I captured it.” Another user asks, “What’s in the center of the Helix Nebula?...

Kubuntu comes with a preloaded KDE Desktop environment, which is a combination of Ubuntu + KDE Plasma Desktop. KDE Editions You might want to know about available KDE editions. Here is a brief description of all 3 main KDE editions that is available for installation. KDE full: This comes with the full packages of KDE with all default applicaitons. KDE standard: This version comes with few selected applications only. KDE Plasma: This is a minimal version of KDE comes with basics application’s such as the file manager, browser, and text editor etc....

In this article, we’ll go over how to stay safe when using free WiFi networks and how to get secure and free wifi. Stay safe and connected! What Are the Risks of Using Free WiFi? The dangers of free WiFi are mainly due to the fact that anyone can connect to these networks. This means that if there is someone on the network who wants to cause harm, they can easily do so....

GDScript GDScript is the primary scripting language for the Godot game engine, a popular open-source game development platform. It was designed specifically for use in game development and offers a number of features tailored towards this purpose, such as support for type hinting and data type inference. Type hinting allows developers to specify the data type of a variable or function argument, which can improve code readability and help catch errors at runtime....

Modified from product page This 14W charger with foldable, waterproof nylon solar panels can keep your iPad, iPhone, Samsung, camera, and other devices fully charged all day long. The panels fold in and out with ease and they have two holes at the edge that can attach to any backpack or tent. Finally, there’s a small pouch inside that can protect your phone from direct sunlight though the pouch is primarily for smaller devices like an iPhone SE or other lesser sized gadgets....

W B Shillington While modern smartphones are equipped with remarkably good cameras, the resulting photographs often do not meet the professional standards demanded by my publishers unless the objects being photographed are correctly lit. A quality lighting system is a must-have for anyone who photographs products. Last year, I replaced my unreliable set of CFL lights—they kept burning out at the most awkward moments—with a dual-ring light manufactured by iMartine....

What Comes in the Box? The Tivo Stream 4K comes with the following items: The Tivo Streaming Device Power Cord USB Plug Remote Control Batteries for the Remote Control While the Tivo Stream 4K uses a USB cable for power, you shouldn’t plug it into a USB port on a television. Because I want to keep my Roku and I also have a Nintendo Switch, I’m using a ROOFULL 5 Port 4K HDMI Switch to connect all three devices....

AT2020USB+ Pros Condenser microphones are often recommended for voiceovers, podcasting, and singing because they are sensitive and pick up more sounds than dynamic microphones. Another advantage of this sensitivity is you don’t have to get too close to the mic. If you plan to make YouTube videos or get into podcasting or voiceover work, a condenser mic with its clarity and range may seem like the best option. AT2020USB+ Cons That’s what I thought when I bought my AT2020USB+....

WhatsApp connection problems If you’re unable to send messages ensure that you have the latest version of the app. Secondly, check your internet connection, Wi-Fi or 3G (in Settings > Wireless and Network). Try clearing the app cache (Settings > Applications > WhatsApp > Clear Cache). If everything fails, uninstall the app and then reinstall it. WhatsApp doesn’t recognize my contacts This is annoying and happens very often. Ensure that the number of the contact you’re trying to reach is correct....

However, if you’re new to the Android world or simply haven’t dug that deep, this little shortcut might surprise you. It might also be extremely helpful in cutting down time spent swiping and tapping through menus. And, all it takes is two fingers. WATCH VIDEO HERE Swipe from the top of the screen with two fingers, and boom, you have access to nearly all of the Android interface’s settings. Thanks to Ta Tech Tips of TikTok for this handy reminder....