How to Install Tomcat 9 on CentOS 7


Apache Tomcat is an open source Java implementation package developed by the Apache Software Foundation. In this tutorial learn how to install Tomcat 9 on CentOS 7.

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How to Check the OpenSSL Version Number


OpenSSL is an open-source cryptographic library and SSL toolkit. The applications contained in the library help create a secure communication environment for computer networks. This article explains how to determine the OpenSSL version by entering a…

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How to Install Docker Compose on Ubuntu 18.04


Docker Compose is a software package that modifies the behavior of Docker. Docker creates a specific container environment for running an application. Docker Compose lets you string together multiple Docker containers to work together. This guide…

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How To Install an FTP Server On Ubuntu With VSFTPD


FTP stands for File Transfer Protocol. It is similar to HTTP (HyperText Transfer Protocol), in that it specifies a language for transferring data over a network. FTP is unencrypted by default, so by itself, it’s not a good choice for secure…

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How to Install Wine 4 on Ubuntu 18.04


Wine is an application that lets you run Windows programs on a Linux system. Wine is similar to an emulator, but with a different technology that improves performance. In this tutorial learn how to install and use Wine on Ubuntu 18.04.

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How to Install XAMPP on Ubuntu 18.04


The XAMPP stack is an open-source Apache distribution of a PHP development environment consisting of cross-platform software (X): Apache (A), MariaDB (M), PHP and Perl (P). Developed by Apache Friends, XAMPP is a ten-year-old, non-profit project…

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How to Install VirtualBox on Ubuntu


VirtualBox is a powerful tool for running a virtual operating system on your computer. In this tutorial learn how to install VirtualBox on Ubuntu 18.04.

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How To Set Up MySQL Master Slave Replication


In cloud computing, master-slave data replication refers to storing the same information on multiple servers. One server controls the group, and the other devices handle the work within the same node. This guide will walk you through how to set up…

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How to Fix the 500 Internal Server Error in WordPress


The 500 Internal Server Error is one of the most common errors you will encounter in WordPress. The error indicates that the server is unable to perform a particular action. It can be due to an issue on the server itself or a problem with a file…

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How to List / Start / Stop Docker Containers


A Docker container uses an image of a preconfigured operating system environment. Images are often a preconfigured operating system and can be modified for a specific task. When you launch a Docker image, it exists in a container. You may have…

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