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Pihole UnboundDNS Configuration

Pi-hole as All-Around DNS Solution with Unbound DNS

The problem: Whom can you trust? Pi-hole includes a caching and forwarding DNS server, now known as FTLDNS. After applying […]

Internet and DNS

Fundamentals of Internet DNS and DNS Record Types

DNS Fundamentals DNS is a service that turns your human-friendly domain name into a machine-friendly IP address of a server […]

website hosting

Facts of Different Types of Web Hosting Services

10 Different Types of Web Hosting A web hosting service is a type of Internet hosting service that hosts websites […]

calmav an open source antivirus

Easy solution for LibClamAV Error

Easy solution for “LibClamAV Error: cli_loaddbdir(): No supported database files found in /var/lib/clamav” error After a fresh install of Virtualmin […]

Kubctl Kubernetes Commands

Some facts of Kubernetes kubeadm and kubectl

Kubernetes is an open source container orchestration engine for automating deployment, scaling, and management of containerized applications. The open source […]

dpkg command in linux

DPKG as Package Manger in Debian based Linux distributions

Debian Linux and other Debian based Linux distributions, such as Ubuntu and Linux Mint, use dpkg as a package manager. […]

containers vs virtualmachines

Containers vs Virtual Machines

Maintaining a large software application is not an easy task since it may contains lots of dependencies and Operating System […]

composer for php

What is Composer and how to use it?

Composer was inspired by projects like NPM and Bundler. Dependencies save you time and energy. Functionalities you may need for […]

migrate vm

How to convert QCOW2 image to OVA format on Windows

Question: I have downloaded a virtual appliance packaged in QCOW2 format. I want to convert the QCOW2 image to OVA […]

Migrate VM

How to convert OVA image to QCOW2 format on Linux

Question: I have downloaded a virtual appliance packaged in OVA format. I want to convert the OVA image to QCOW2 […]


How to Install Jenkins on Ubuntu 22.04 or 20.04 Linux

Learn the steps and commands to install Jenkins software on Ubuntu 22.04 LTS Jammy JellyFish or 20.04 Focal Fossa Linux […]

Windows Run Commands

Useful Windows Run Commands for IT Automation

Windows Run Command for IT Operation and Automation All supported versions of Windows and Windows Server have a set of […]

How to Disable Snap on Ubuntu 22.04

How to Disable Snap on Ubuntu 22.04

Introduction Snap is Linux package manager (such as apt) with its own package ecosystem and app store, and it’s being […]

internet browser logos

What every Browser knows about you

All this data can be accessed by any website without asking you for any permission. Locations – This is an […]


Portmaster – DNS Configuration URL Scheme

You can set the DNS Servers setting to a list of servers that you would like to use. By default, […]

Ephemeral ports

Ephemeral port – What is Ephemeral ports and it’s Scope?

An ephemeral port is a communications endpoint (port) of a transport layer protocol of the Internet protocol suite that is […]

How To Upgrade Ubuntu To 22.04 LTS Jammy Jellyfish

Ubuntu 22.04 LTS Jammy Jellyfish is due to release on April 21, 2022. However, users of Ubuntu 20.04 and Ubuntu 21.10 are able to upgrade to the latest release right now.


Automated ISPConfig 3 Installation on Debian 10 and Ubuntu 20.04

Log in to the server Configure the hostname and hosts The hostname of your server should be a subdomain like […]

Linux bash history

How to Limit the bash History

It’s been said that there are more passwords stored in history than in /etc/shadow – so, how do I limit […]


How to install Kubernetes in Ubuntu 20.04 LTS Server

Ubuntu 20.04 Download What You’ll Need At least four VM on Proxmox ———— Command for ALL VM’s ——————– ———————Step – […]


How to Install Kubernetes in Cent OS

Hey everyone. as you may already know, starting from V1.20, Kubernetes will be deprecating Docker runtime engines, meaning that this […]

Git Command

Git Repository Commands

Basic GIT Commands git config –global “[email address]” git init [repo name] git clone [URL] git add (filename), git […]

Easiest Way to Install Next Cloud & OnlyOffice At Your On Premises – Full Privacy With Full Featured Document Server.

Overview In this article, the reader can get how to set up a Nextcloud instance and onlyoffice instance and connect […]

software package management systems

List of software package management systems

List of software package management systems APT- Advanced Package Tool, or APT, is a free-software user interface that works with […]

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