How to Install MariaDB in Linux [5 Easy Steps]

In this tutorial, we will learn about how to install MariaDB in Linux using 5 easy steps. There are many database management system technologies available like MySQL, PostgreSQL, SQLite, MariaDB, Oracle Database etc. Databases are used in any application for storing the data. Each of the mentioned databases has its own features to offer along … Read more

How to Create Bash Multiline Array [Solved]

In this tutorial, we will learn about how to create bash multiline array. In any programming language, array is a common and most usable data structure as it allows us to store multiple elements. There are different ways to create and process arrays in different programming languages. We will talk about array in bash scripting … Read more

How to Check if a User has Sudo Rights in Linux

In this tutorial, we will learn about how to check if a user has sudo rights in Linux operating system. In Linux, there are different user accounts created for different Linux user, each having its own credential and set to privileges. This ensures that each user has access only to its own work directory unless … Read more

How to Set Root Password in Ubuntu

In this tutorial, we will learn about how to set root password in Ubuntu. In Linux distributions, there are multiple user accounts created, each having its own password. This is required to segregate the work of one user from another. For example, let’s say we have created two user account “vnfm” and “stack”. Each user … Read more

What does Bash set -e Flag Means in Script ?

  In this tutorial, we will learn about what does bash -e flag means in script. In bash scripting, set supports many flags such as -u, -x, -e, -o pipefail, -E etc. Each flag has a meaning and used based on user requirements and use cases. We will specifically discuss about set -e flag in … Read more

List All Running Services in Linux: [Using 4 Tools]

  In this tutorial, we will learn about how to list all running services in Linux using 4 tools. Understanding services in Linux is a fundamental skill for system administrators and developers working with Linux-based systems. There are variety of services available in Linux broadly divided as system services (process management, login, syslog, cron etc.) … Read more

yum config manager command not found [Solved]

In this tutorial, we will learn about how to fix the error “yum config manager command not found” in Linux. This error indicates that the yum is not able to find yum-config-manager command in Linux. This error mostly occurs when the config manager package is not installed in the Linux system and we try to … Read more

[Solved] error: cannot find module ‘express’

Introduction In this tutorial we will learn about how to fix the bug error: cannot find module ‘express’. This error typically occurs when you try to use the Express.js framework in a Node.js application, but Node.js is unable to locate the ‘express’ module. We will look into the problem by reproducing it in our environment … Read more

Installing node.js on Linux [Step by Step Guide]

Introduction In this tutorial, we will learn about installing node.js on Linux using step by step guide. Nodejs is an open source tool which act as a runtime environment for JavaScript. We will learn about its definition and usage in the next section. We will also look at how node.js package is installed on different … Read more