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Master essential Linux commands in CentOS for DevOps beginners.

Essential Linux Commands Every DevOps Beginner Should Master in CentOS

As a DevOps practitioner, having a solid understanding of the Linux command line is crucial. The command line interface (CLI) provides you with powerful tools to manage and administer your CentOS server efficiently. In this article, we will cover some fundamental Linux commands that every beginner in the world of DevOps should master. These commands […]

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How to reset Ghost blog admin user password

Linux / Rahil

In case you forgot your password and need to reset the password from the backend. You can do so by replacing the hash password with a new one. Follow the below guide on how to replace the password for the admin user or any user that is unable to use it. NOTE: Usually this is

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Mount SMB Shares in Ubuntu Linux

Linux, Ubuntu / Rahil

Mounting SMB shares with no credentials Enter the below value at the end of the line: Mounting SMB shares with credentials Follow steps 1 and 2 from above. Enter values as shown in the below example: Enter the below value at the end of the line:

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Install Webmin on Ubuntu 20.04

Linux, Ubuntu / Rahil

Webmin is a web-based system administration tool designed for Unix-like operating systems, including Linux. It provides a graphical interface that allows users to manage and configure various aspects of the system through a web browser. Webmin is particularly useful for users who are more comfortable with graphical interfaces and want an easier way to perform

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How to set Static IP Address on Ubuntu 20.04

Linux, Ubuntu / Rahil

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How to encrypt and decrypt files using openssl

Linux / Rahil

In this tutorial we will go over how to encrypt a text file that we can store in public storage without any security concerns. Suppose you are running an application in a cloud platform, and you are running daily backup of SQL files and want to store it securely in block storage somewhere in the

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How to generate self-signed certificate in Linux

CentOS, Linux / Rahil

In this tutorial, I will be using CentOS 7 to generate self-signed certificates. You can use any Linux operating system as long as it is Openssl install. To install Openssl follow the below guide: Openssl installation CentOS, Redhat, Fedora: Ubuntu, Debian Generating certificate with password Command: Interactive view: Verify output Generating certificate without password Command:

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Hosting ASP.NET Core 2.1 application on CentOS 7 with NGINX

CentOS, Linux / Rahil

In this tutorial, I will demonstrate how to setup web hosting for ASP.NET Core 2.1 application in CentOS 7 Linux operating system using NGINX web hosting platform. Before we proceed, let’s make sure the system is up-to-date. Follow below steps. Setup NGINX and Firewall If it returned running. That means firewalld service is in running

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A man working on a laptop with code on it.

Creating a sudo user on centos

CentOS, Linux / Rahil

To execute admin actions using a regular user, you need to create a sudo privileged account. By default, in CentOS, any user part of a wheel group is granted access to execute privileged commands. Follow the below steps to create a sudo account. NOTE: you can replace johnsmith with your preferred username. You will be

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How to Assign Static IP Address to Ubuntu Linux Server

Linux, Ubuntu / Rahil

In this tutorial, I will be using Ubuntu 16.04 operating system. This tutorial assumes that you know how to edit a file in Linux. First, execute the below command to open interfaces file: After that, depending on your system network card configuration, you may see the below format in vi editor. In the last line

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