Install MongoDB – Ubuntu, CentOS, Debian


This tutorial covers steps to install MongoDB in CentOS 6.4, Ubuntu or Debian Operating System. Requirements Centos / Debian / Ubuntu installed on your server or your computer root privileges SSH access Basic Linux Working Skills MongoDB is a NoSQL open-source document database written in C++. Structure of MongoDB differs from the standard table-based relational one using […]

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Block Network Probes using Fail2Ban


Requirements for fail2ban Debian/Ubuntu or CentOS installed Linux Server Fail2Ban installation on a server Configure Fail2Ban As it is made clear in installation instructions of Fail2Ban, you have to make a local copy of the configuration file and set all our custom changes in the configuration file.

SSH is monitored by default by Fail2Ban. Code […]

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How to install and use Memcached


In this tutorial, we will cover the steps needed to install Memcache on your CentOS 6.4, Debian or Ubuntu platform. Memcached is a high-performance, distributed memory object caching server. It can store the content of the whole database table and query in the memory and this way drastically increase the performance of your website. Memcache […]

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How to test open UDP ports

UDP Ports

You’ve opened a UDP ports on your server but not sure how to check if you can reach it from the outside. When testing TCP ports, you can check with tools like nmap or nc only from the outside, but the nature of UDP is that it doesn’t send anything back so you need to […]

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140 + Linux Server Commands List – Worth Learning

Linux Server Commands

In this article you will learn most frequently used Basic Linux Commands with examples. We tried to cover as many Linux Server Commands as we can. Try TNP HOST VPS Servers  File Commands 1. The following Linux Command take you to the ‘/ home’ directory

2. This command go back one level

3. […]

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Understand Different Types of IP addresses

IP address

There are primarily two types of IP addresses: 1) Static IP address 2) Shared  IP address An IP Address is a 32-bit number that identifies a computer on the Internet. Every web site on the internet is found not by its domain name but by its IP address. When someone types the address: it is translated […]

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SPF: -all or ~all Choose the Right Authentication


What is SPF? Sender policy framework is an authentication process that ties the 5321.from (also known as the mail from, an envelope from or return path) to authorized sending IP addresses. This authorization is published in a TXT record in DNS. Receivers can check SPF at the beginning of an SMTP transaction, compare the 5321. from […]

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Basic Linux SSH commands you can use for your next VPS Server

These are some of the Basic Linux SSH commands which we use most often to manage VPS servers.   SSH Basic Commands  Meaning  cd /directory To go to a specific directory (Replace directory with the correct directory name.) cd .. Allows you to go one directory up. cd ~ To go back to the home directory. […]

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How does FTP Works ?

If you are looking to build a website, you will have to learn how to use FTP. FTP or file transfer protocol is basically a client that allows you to transfer files from one location to another. In a website context, you’ll be using FTP to transfer files on your computer to files on the […]

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