Author: Rahul

Dovecot is an open-source service for IMAP and POP3 on Unix-like operating systems. It focused on lightweight and secure mail server available for most of the Linux operating system. This tutorial will help you to install and configure POS3/IMAP using Dovecot on CentOS 7 Linux system. Step 1 – Installing Dovecot Dovecot package is available under the default yum repositories. Simply run the below command from terminal to install Dovecot packages on your CentOS 7 system. sudo yum install dovecot -y Step 2 – Configure Dovecot Once the installation finished, configure Dovecot server as per your requirements. Here is the…

Mattermost Desktop is the client application for the Desktop systems to user their mattermost account. You must have Mattermost server installed in your self-managed instance or signup for the Mattermost cloud. For this tutorial, I have created an account on Mattermost cloud free version. You can go with professional or enterprise edition as per your requirements. This tutorial describe you to how to install Mattermost desktop client on Ubuntu 18.04 LTS Linux system. Prerequisites You must have Desktop install on your Ubuntu system. Login as sudo privileged account on your Ubuntu 18.04 system. Open terminal and update current system packages…

A swap file is an essential component of a Linux operating system that helps improve performance by providing additional virtual memory. It is a disk space that is reserved for use as a virtual memory when the system’s physical memory (RAM) is filled up. Creating a swap file in Linux can help prevent system crashes and instability. In this article, we will discuss how to create a swap file in Linux step by step. We will explain the necessary commands and procedures that you need to follow to create a swap file. Create Swap File (Quick Instructions) Here is the…

Gradle is an open-source build tool for the automation of applications. The Gradle helps developers team to build, automate and deliver software easier and faster. This tutorial will help you to install Gradle on CentOS/RHEL 7 operating system. You may like: How to Install Apache Maven on CentOS 8 Prerequisites The Gradle requires Java 8 or higher version installed on system. Generally Fedora system have default installed Java version on it. to run Java 8 or higher version. Make sure you have java installed on your CentOS/RHEL system. If not, use following command to install it. sudo yum install java-1.8.0-openjdk…

The cp command is used to copy files from one directory to another directory. Some times you are required to copy a file with its parent directory structure. You can use -r option to copy files recursively. But if we need to copy a single file with the full directory structure. Use cp command with –parents option to use full source file name under the directory and create a similar directory structure on the destination. cp –parents ./dir1/dir2/myfile.txt /opt/ Now list the file on the destination directory. You can see that the same directory structure is created in the destination…

Use this tutorial to configure your CentOS 8 Linux machine for the first time. For example, you have launched a new VPS or dedicated host with CentOS 8, Follow the below steps to complete the initial server setup with CentOS 8. Step 1 – Login to CentOS 8 Login to your CentOS 8 Linux machine. The desktop users can use the GUI interface to log in. Remote users connect to there server using SSH access. ssh root@remote_server_ip Step 2 – Update Current Pacakges After login, first, update all the current packages on your system. dnf clean all dnf update Step…

The Mono project is sponsored by the Microsoft. It is an open source, cross platform implementation of Microsoft .NET Framework. Mono supports most the modern operating systems with 32-bit and 64-bit architecture. This tutorial helps you with step by step to install Mono on Debian 10 and Debian 9 systems. Useful tutorial: How to Install Visual Studio Code on Debian Prerequisites SSH or Shell access to Debian system with sudo privileged account. Install Mono on Debian First of all, install some required packages on your Debian system and import GPG key. sudo apt install gnupg ca-certificates sudo apt-key adv –keyserver…

If your Node.js application is running on a server that is accessible to the internet, you will need to set up a reverse proxy so that external users can access your application via a URL, such as https://example.com. Even if your Node.js app is running on a private network and only accessible to internal users, setting up Apache reverse proxy will make it easier for you to scale your app in the future by allowing you to add new servers without changing all the existing URLs. In this blog post, we are going to discuss how you can set up…

Apache Tomcat 8.5 is the latest version available for the installation of the Tomcat 8 series. Tomcat is an open-source web server for the Java-based applications developed by the Apache Foundation. We use Tomcat for deploying Java Servlet and JSP applications. To know more about the Apache Tomcat visit apache official site http://tomcat.apache.org/. Prerequisites shell access sudo priviledged account access Step 1 – Install Java Java is the primary requirement for running Tomcat 8.5 on CentOS 8 Linux system. Make sure you have Java 8 or higher version installed in your system. If you don’t’ have Java installed, use the…

Yarn is a package manager that replaces the existing npm client or other package managers. It is fully compatible compatible with the existing npm registry. Yarn provides a fast and efficient way for node.js package management on Linux systems. It makes a cache of every downloaded package on your system to re-use them. This tutorial will help you to install Yarn on CentOS 8 and RHEL 8 Linux systems. Also provide basic instructions of yarn uses on Linux. Prerequisites Shell access to CentOS 8 system Preinstalled Node.js Installing Yarn on CentOS 8 Yarn package are available under the official yum…