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28

Feb, 19

SEO trends in 2019

  • by Susith Nonis
  • in SEO

Search engine optimization (SEO) goes a long way to getting ranked top on search engines. Google holds over 90% of desktop searching market and to perform well in the organic search results, we need to know what factors are taken into consideration. We cannot say exactly the factors used for the algorithm for 2019 because officially google has not published those details. However, they have confirmed that they use about 200 ranking signals when determining organic search page rankings. Every year google focus on new ranking factors and in 2019 their main focus tends to go towards mobile...

Connecting remotely to a server (Android) Imagine there’s a situation where you have to access your server but you have no access to a PC or a laptop. Well it’s possible to gain access to the server through the mobile phone in your pocket. We will discuss how to access the server through android-based connections. Access Windows server using Android Download “RD Client” from Google Play Open the app from the phone and tap “+” and select Desktop.   Enter the details of the server you would like to connect to. PC name – Can be a windows...

How to connect to linux VPS server Via Android In the previous article we explained how to access a Windows server through an Android device. As a continuation, here we will provide the necessary tools and tips to how to connect a Linux server using an Android device. How to connect to SSH with Android Device In order to connect to the Linux VPS from your Android device, first of all you will need to set up the server and install SSH server. Note that in this tutorial we will be connecting to a CentOS server(VPS). Here is an article about how to connect to linux VPS from Windows &...

16

Apr, 19

What is CDN? CDN stands for Content Delivery Network. In short, this is a series of servers located all around the globe which are all linked together.  In order to deliver content on the internet faster, the CDN distributes the assets needed for content to load up such as images, videos, JavaScript files and stylesheets among these servers. These are done in such a way that the content will be geographically near to the users who will access your website, which in turn improves the speed of the connection and reduces the latency. Now-a-days CDN service is gaining popularity and the...

16

Apr, 19

What is IPv6? Internet Protocol version 6 (IPv6) is the most recent version of the Internet Protocol (IP). IPv6 was developed by the Internet Engineering Task Force (IETF) as a precaution to the exhaustion of IPv4 addresses. Ipv4 was developed in the late 70s and it was the first non-experimental version in the internet. Total amount of addresses allocated by IPv4 is 232 which is about 4 billion unique addresses. IPv6 theoretically allows 2128 addresses (3.4*1038) but actual number is smaller as multiple ranges are reserved for special use or completely excluded from use. IPv6 replaces IPv4...

How to Configure Public IPV6 to Ubuntu Linux Server In the previous article we discussed what IPv6 is and what features it comes with. In short, IPv6 was introduced to the world as a precaution to the exhaustion of IPv4 addresses. IPv4 being a 32 bit address, IPv6 has a massive 128 bit address space. In this article we will show how to setup IPv6 addresses on Ubuntu. Note that these commands are done on Ubuntu 16.04 LTS.  In order to go through with this setup you will need to be logged in as the root user. Your terminal will look similar to the one below.   If you are not...

16

Apr, 19

With the current trend of technological advancements, we now store nearly all our data on the internet, making security an important factor when having any sort of online presence. Every person who has access to the internet will definitely have an email address and most of them will have a few social media accounts, as they are closely integrated into our daily life whether we like it or not. These platforms are the most crucial when concerning security as a lot of personal data is stored on them. Why? If someone gains access to your email account, besides having acces to all your sent and...

16

Apr, 19

Computer networks formed with various devices need a unique network adapter that comes with a MAC address. A single network adapter from a particular network is given this address to receive a worldwide unique identification number. Even if the network circulates various network adapters like Ethernet or Bluetooth, they will still receive a different unique number. As MAC addresses are assigned right after manufacturing single pieces of hardware, they are also known as physical or hardware addresses.  An important note here is -device addresses are not the same as MAC addresses because...

17

Apr, 19

What is a DNS?

What is DNS? We all use the internet nowadays, meaning that we have used the DNS or Domain Name System without even realizing it. DNS or Domain Name System acts as the phone book of the internet. In short it converts the human readable web addresses (domain name like www.1Gbits.com) to machine readable numbers. (IP address like 87.248.98.7). This system has been used for more than 30 years and is still in use today. The computers, websites and all the devices connected to the internet have a unique code which is known as the IP address. There are two different types of IP addresses...

18

Apr, 19

What is SSL?

  • by Susith Nonis
  • in SSL

What are SSL Certificates and Why do they Matter? In this article, we’re going to explain what is an SSL Certificate and why you must have one installed on your website. You may have heard the term SSL certificate thrown around a lot in the web development field of interests. If you’re looking into setting up a website, or have already made a website and don’t yet know properly what an SSL certificate is, you should definitely learn. That’s why we’re here anyway. SSL certificates are extremely important for keeping your website safe, protecting your content,...

19

Apr, 19

The OSI model or Open System Interconnection model is a conceptual model that describes the functionality of the networking system with no regard to the underlying technology infrastructure. The OSI model was introduced in 1984. Here it is divided into seven abstract layers of data communication and standardized protocols into appropriate groups of networking functionality. The purpose of the OSI reference model is to guide vendors and developers so the digital communication products and software programs they create will interoperate, and to facilitate clear comparisons among communications...

23

Apr, 19

What is DDoS? A DDoS or Distributed-Denial-of-Service attack is an unauthorized attempt to increase the traffic of a targeted server or network by staggering the target or its surrounding infrastructure with a huge amount of internet traffic. A DDoS attack achieves effectiveness by using multiple computer systems as the source of the traffic. In short, a DDoS attack is when hackers attempt to make a website or computer unavailable by flooding or crashing the website with too much traffic. How does a DDoS attack work? A DDoS attack happens when an attacker takes control of a network of...

How to connect to Windows server via iOS and iPhone Imagine there’s a situation where you have to access your server but you have no access to a PC or a laptop. Well it’s possible to gain access to the server through the mobile phone in your pocket. We will discuss how to access the windows server through iOS based connections. Access Windows VPS server using iOS  Download “RD Client” from AppStore   Open the app from the phone and tap “+” and select Desktop.   Enter the details of the server you would like to connect to. PC name...

25

Apr, 19

Disk cleanup in CentOS 6, 7, 8 In this article we will go through some quick commands to clear disk space from your CentOS server. Before we go further, we will need to install the yum-utils package. yum -y install yum-utils Cleanup YUM cache yum clean all This is an easy command to cleanup the yum caches but this may not remove everything concerning yum.In order to free more space by orphaned data from removed or disabled repositories we will use the subsequent command: rm -rf /var/cache/yum In order to get rid of the...

Accessing your Linux server SSH using an iOS device In order to connect to the Linux VPS server from your iOS device, first of all you will need to set up the server and install SSH server. Note that in this tutorial we will be connecting to a CentOS server. Install openssh-server package: sudo yum install -y openssh-server; Now let’s move forward in connecting from your iOS device. Note that during this tutorial we will be working with “serverauditor” SSH client. Download “Termius” from the AppStore Open the application and create a free...