Networking

Introduction to Network Theory

Modern network theory was introduced at the end of the nineties by the PhD student Reka Albert and then monopolized by her tutor L.A. Barabasi, who made an empire out of it. The idea was not new, network theory is based on graph theory and graph theory had been already introduced…

Category : Networking   03-08-2020   by Paolo Masucci

A collection of interesting networks and technology aiming at re-decentralizing the Internet

The decentralised web, or DWeb, could be a chance to take control of our data back from the big tech firms. So how does it work? Take a look at this collection of projects aimed to build a decentralized internet. Cloud BitDust - is decentralized, secure and anonymous on-line storage, where…

Category : Networking   07-07-2020   by admin admin

Install Webmin on Ubuntu

Webmin is a web-based control panel for any Linux machine that allows you to manage your server through a modern web-based interface. With Webmin, you can change settings for common packages on the fly, including web servers and databases, as well as manage users, groups and software packages. Through this tutorial,…

Category : Networking   18-06-2020   by admin admin

Display Linux TCP / UDP Network and Socket Information with the 'ss' command

The ss command is used to show socket statistics. It can display stats for PACKET sockets, TCP sockets, UDP sockets, DCCP sockets, RAW sockets, Unix domain sockets, and more. It allows showing information similar to netstat command. It can display more TCP and state information than other tools. It is…

Category : Networking   23-05-2020   by admin admin

Guide: Install Free SSL Certificate On Your Website with Let's Encrypt

Guide: Install Free SSL Certificate On Your Website with Let's Encrypt

Let's Encrypt – an initiative run by the Internet Security Research Group (ISRG) – is a new, free, and open certificate authority recognized by all major browsers, including Google's Chrome, Mozilla's Firefox and Microsoft's Internet Explorer. The Free SSL Certification Authority is now in public beta after testing a trial among…

Category : Networking   09-05-2020   by admin admin

How to Change Your DNS Server (And Why You Should)

It's so easy to connect to the internet that you don't think much about how it actually works. You've likely heard about things like IP address, ethernet, DNS servers, or similar terms. They often come up when you try to diagnose internet problems on your home network. Though, this time…

Category : Networking   09-05-2020   by Luigi Nori

How to Secure Remote Access Using VPN

Using a VPN to get remote access allows users to connect to aSecure server via the internet. Rather than logging into the same server directly, uses instead first login to a VPN which allows them to connect to the server more securely. This goes a long way to protecting the…

Category : Networking   24-04-2020   by Luigi Nori

The Best Free SSH Tabbed Terminal Clients for Windows

PuTTy is an emulator for the terminal. It allows you to log into another computer that can be on the same network or accessed via the internet. The basic program has no security, but you can add authentication and encryption to SSH to protect internet connections. The tool also includes…

Category : Networking   01-04-2020   by admin admin

How to Write an Amazon Listing That Converts

If you are one of the 2.5 million sellers on Amazon, you’ll know that the platform has incredible potential for profits. However you’ll also know the competition is fierce and you need to be on your A-game to sell your product. There is no doubt that ranking on Amazon is critical, and Amazon SEO is the number…

Category : Networking   28-01-2020   by Luigi Nori

3 Top Tips for Picking the Right Web Hosting Service for Your Needs

Whether you are setting up a new website or blog for the first time or moving your existing site over to a new web host, picking the right web hosting service for your needs is of utmost importance. When choosing a web hosting service, it’s important to opt for a…

Category : Networking   14-08-2019   by admin admin

Deep web: 5 curious facts you didn't know about

The 'deep web' is an Internet space where the content that does not appear in conventional search engines is hosted, due to various factors that do not have to respond to illegality. However, there is also the 'dark web', which is a small part of the 'deep web', whose contents…

Category : Networking   05-08-2019   by admin admin

Configuring DNS-over-TLS and DNS-over-HTTPS with any DNS Server

Configuring DNS-over-TLS and DNS-over-HTTPS with any DNS Server

The new DNS-over-TLS (DoT) and DNS-over-HTTPS (DoH) protocols are available for enabling end user's privacy and security given the fact that most DNS clients use UDP or TCP protocols which are prone to eavesdropping, vulnerable to Man-in-the-Middle (MitM) attacks and, are frequently abused by ISPs in many countries with Internet…

Category : Networking   27-12-2018   by admin admin

How to Set up a Fully Functional Mail Server on Ubuntu 16.04 with iRedMail

How to Set up a Fully Functional Mail Server on Ubuntu 16.04 with iRedMail

Setting up your own mail server from scratch on Linux is complex and tedious, until you meet iRedMail. This tutorial is going to show you how you can easily and quickly set up a full-fledged mail server on Ubuntu 16.04 with iRedMail under 30 minutes. What is iRedMail? iRedMail is a shell…

Category : Networking   08-08-2018   by admin admin

Install Java in Ubuntu 16.04

Install Java in Ubuntu 16.04

Java and the JVM (Java's virtual machine) are widely used and required for many kinds of software. This article will guide you through the process of installing and managing different versions of Java using apt-get. Installing the Default JRE/JDK The easiest option for installing Java is using the version packaged with Ubuntu.…

Category : Networking   23-11-2017   by admin admin

Install HHVM + Nginx on Ubuntu 14.04

Install HHVM + Nginx on Ubuntu 14.04

  The LEMHH software stack is a group of software that can be used to serve dynamic web pages and web applications. This is an acronym that describes a Linux operating system, with an Nginx web server. The backend data is stored in MySQL and the dynamic processing is handled by…

Category : Networking   12-05-2017   by admin admin

How to Install Syncthing on Ubuntu 16.04

How to Install Syncthing on Ubuntu 16.04

This tutorial shows how to install Syncthing on Ubuntu 16.04 Desktop LTS Xenial Xerus. Syncthing is a free continuous file synchronization tool that lets you synchronize your files across desktops, tablets, mobile phones or even servers. It’s an open source alternative to the popular BitTorrent Sync (aka btsync) application. The creation,…

Category : Networking   17-02-2017   by admin admin

How to install and setup Varnish in Ubuntu 16.04

How to install and setup Varnish in Ubuntu 16.04

One of the problems with running a site with many users is that the constant requests for dynamic content can really bog down a web server. In order to solve this problem, many big companies turn to a tool called Varnish. It’s an HTTP accelerator that caches both static and…

Category : Networking   02-01-2017   by admin admin

How to setup FTP server on ubuntu 14.04 with VSFTPD

How to setup FTP server on ubuntu 14.04 with VSFTPD

FTP is used to transfer files from one host to another over TCP network. This article explains how to setup FTP server on ubuntu 14.04 . There are 3 popular FTP server packages available PureFTPD, VsFTPD and ProFTPD. Here i’ve used VsFTPD which is lightweight and less Vulnerability. Step 1 » Update…

Category : Networking   13-01-2015   by admin admin

How to Create a .ONION Website and Domain With Tor Network

How to Create a .ONION Website and Domain With Tor Network

Not a lot of people know about .onion websites, not many people actually use it. .ONION websites are used by people who want to stay anonymous. In addition, .onion websites are the first layer of the Deep Web. Which is basically described in the picture bellow As many websites say, the…

Category : Networking   02-11-2014   by admin admin

Speed up your site and protect it against DDOS attacks with CloudFlare

Speed up your site and protect it against DDOS attacks with CloudFlare

If you have checked your site or blog, then you may noticed the page speed, YSlow, Timeline etc. An important factor to give fast content delivery to your blog’s reader and page speed, CND (Content Delivery Network) is must. The CDN makes your wordpress blog even faster to load, that…

Category : Networking   23-07-2014   by Luigi Nori

HowTo Create Linux Swap On Ubuntu 12.04

HowTo Create Linux Swap On Ubuntu 12.04

About Linux Swapping Linux RAM is composed of chunks of memory called pages. To free up pages of RAM, a “linux swap” can occur and a page of memory is copied from the RAM to preconfigured space on the hard disk. Linux swaps allow a system to harness more memory than…

Category : Networking   10-02-2014   by admin admin

10 Server and network monitoring tools

10 Server and network monitoring tools

When you have a website or a network, it’s helpful to be aware of any issues as soon as they occur. There are open source and freeware server/network monitoring tools that will supervise your infrastructure for any issues that may arise. These tools are meant to aid you in avoiding…

Category : Networking   04-02-2014   by admin admin

Syncronize Files Between Servers With RSYNC

Syncronize Files Between Servers With RSYNC

Synchronize Files With rsync Synchronizing files from one server to another is quite awesome. You can use it for backups, for keeping web servers in sync, and much more. It's fast and it doesn't take up as much bandwidth as normal copying would. And the best thing is, it can be…

Category : Networking   03-02-2014   by admin admin

Install Bit Torrent Sync on Ubuntu

Install Bit Torrent Sync on Ubuntu

There are some great tools for syncing files over the internet available to us, but one stands out from the rest in regards of technology used and possible use cases. A public beta version was released in June this year and now it’s available for Windows, Mac, Linux, FreeBSD, Android and…

Category : Networking   15-01-2014   by admin admin

Grid Computing Vs Cloud Computing

Grid Computing Vs Cloud Computing

The world of information technology is changing rapidly and what may be the popular method of conducting business or gathering information today may be completely phased out in a few months. Grid computing and cloud computing are two powerful – but distinct – computing systems that attempt to accomplish many of the…

Category : Networking   07-12-2013   by admin admin

Ubuntu: How To Start Program As Service

Ubuntu: How To Start Program As Service

According to Ubuntu’s Upstart website, “Upstart is an event-based replacement for the /sbin/init daemon which handles starting of tasks and services during boot, stopping them during shutdown and supervising them while the system is running.”Basically, Upstart is an init daemon that replaces the /etc/init.d scripts.It comes with Ubuntu 6.10 and…

Category : Networking   10-10-2013   by admin admin

PHP files are downloaded by browser instead of processed by the server, how to solve it?

PHP files are downloaded by browser instead of processed by the server, how to solve it?

After upgraded some packages in my ubuntu server, sometimes php configuration goes crazy and PHP files are downloaded by browser instead of processed by the server, how to solve it? Here are the steps to solve fastly the problem.   Follow thiese commands:   Code: sudo a2enmod php5 and it said "Module php5 already enabled".    re-starting apache2…

Category : Networking   16-08-2013   by admin admin

Useful list of commands for linux server management

Useful list of commands for linux server management

List of checks that you can perform on a linux server to try and figure out why it keeps going down Disk Space: df -h (Make sure you have enough disk space) Memory: free -m (Check you're not out of memory) Processes / Load average top (shift + m) htop (Check for processes that are taking up a lot of…

Category : Networking   09-07-2013   by admin admin

Setup SSL Certificate on Apache and Ubuntu 12.04

Setup SSL Certificate on Apache and Ubuntu 12.04

How to Create a SSL Certificate on Apache for Ubuntu 12.04   About SSL Certificates A SSL certificate is a way to encrypt a site's information and create a more secure connection. Additionally, the certificate can show the virtual private server's identification information to site visitors. Certificate Authorities can issue SSL certificates that…

Category : Networking   02-07-2013   by admin admin

Syncronize Files Between Two Ubuntu Servers Using Unison and Incron

Syncronize Files Between Two Ubuntu Servers Using Unison and Incron

File Synchronization Between Two Ubuntu Servers using Unison Unison is a file-synchronization tool for Unix and Windows. It allows two replicas of a collection of files and directories to be stored on different hosts (or different disks on the same host), modified separately, and then brought up to date by propagating…

Category : Networking   21-06-2013   by admin admin